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https://ubuntu.com/security/CVE-2022-27943
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CVE-2022-27943

Publication date 26 March 2022

Last updated 24 July 2024

--------------------------------------------------------------------------------

Ubuntu priority

Low

Why this priority?


CVSS 3 SEVERITY SCORE

5.5 · Medium

Score breakdown

Toggle side navigation

Toggle table of contents
 * Description
 * Status
 * Notes
 * Severity score breakdown
 * References

libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in
demangle_const, as demonstrated by nm-new.

Read the notes from the security team


STATUS

Show unmaintained releases



Package Ubuntu Release Status binutils 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Vulnerable
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected
crash 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Ignored end of standard support gcc-10 24.10 oracular Not in
release 24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish Ignored end of life 20.04 LTS focal
Not affected
18.04 LTS bionic Not in release 16.04 LTS xenial Not in release 14.04 LTS trusty
Not in release gcc-11 24.10 oracular
Vulnerable
24.04 LTS noble
Vulnerable
23.10 mantic Ignored end of life, was needed 23.04 lunar Ignored end of life,
was needed 22.10 kinetic Ignored end of life, was needed 22.04 LTS jammy
Vulnerable
21.10 impish Ignored end of life 20.04 LTS focal Not in release 18.04 LTS bionic
Not in release 16.04 LTS xenial Not in release 14.04 LTS trusty Not in release
gcc-12 24.10 oracular
Vulnerable
24.04 LTS noble
Vulnerable
23.10 mantic Ignored end of life, was needed 23.04 lunar Ignored end of life,
was needed 22.04 LTS jammy
Vulnerable
20.04 LTS focal Not in release 18.04 LTS bionic Not in release 16.04 LTS xenial
Not in release 14.04 LTS trusty Not in release gcc-13 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.04 LTS jammy Not in release 20.04 LTS focal Not in release 18.04 LTS bionic
Not in release 16.04 LTS xenial Not in release 14.04 LTS trusty Not in release
gcc-3.3 24.10 oracular Not in release 24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic Ignored end of life, was needs-triage 22.04 LTS jammy
Not affected
21.10 impish
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty
Not affected
gcc-4.4 24.10 oracular Not in release 24.04 LTS noble Not in release 23.10
mantic Not in release 23.04 lunar Not in release 22.10 kinetic Not in release
22.04 LTS jammy Not in release 21.10 impish Not in release 20.04 LTS focal Not
in release 18.04 LTS bionic Not in release 16.04 LTS xenial Not in release 14.04
LTS trusty Not in release gcc-4.6 24.10 oracular Not in release 24.04 LTS noble
Not in release 23.10 mantic Not in release 23.04 lunar Not in release 22.10
kinetic Not in release 22.04 LTS jammy Not in release 21.10 impish Not in
release 20.04 LTS focal Not in release 18.04 LTS bionic Not in release 16.04 LTS
xenial Not in release 14.04 LTS trusty Not in release gcc-4.7 24.10 oracular Not
in release 24.04 LTS noble Not in release 23.10 mantic Not in release 23.04
lunar Not in release 22.10 kinetic Not in release 22.04 LTS jammy Not in release
21.10 impish Not in release 20.04 LTS focal Not in release 18.04 LTS bionic Not
in release 16.04 LTS xenial
Needs evaluation
14.04 LTS trusty
Not affected
gcc-4.7-armel-cross 24.10 oracular Not in release 24.04 LTS noble Not in release
23.10 mantic Not in release 23.04 lunar Not in release 22.10 kinetic Not in
release 22.04 LTS jammy Not in release 21.10 impish Not in release 20.04 LTS
focal Not in release 18.04 LTS bionic Not in release 16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-4.7-armhf-cross 24.10 oracular Not in
release 24.04 LTS noble Not in release 23.10 mantic Not in release 23.04 lunar
Not in release 22.10 kinetic Not in release 22.04 LTS jammy Not in release 21.10
impish Not in release 20.04 LTS focal Not in release 18.04 LTS bionic Not in
release 16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-4.8 24.10 oracular Not in release 24.04 LTS
noble Not in release 23.10 mantic Not in release 23.04 lunar Not in release
22.10 kinetic Not in release 22.04 LTS jammy Not in release 21.10 impish Not in
release 20.04 LTS focal Not in release 18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected
gcc-4.8-arm64-cross 24.10 oracular Not in release 24.04 LTS noble Not in release
23.10 mantic Not in release 23.04 lunar Not in release 22.10 kinetic Not in
release 22.04 LTS jammy Not in release 21.10 impish Not in release 20.04 LTS
focal Not in release 18.04 LTS bionic Not in release 16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-4.8-armhf-cross 24.10 oracular Not in
release 24.04 LTS noble Not in release 23.10 mantic Not in release 23.04 lunar
Not in release 22.10 kinetic Not in release 22.04 LTS jammy Not in release 21.10
impish Not in release 20.04 LTS focal Not in release 18.04 LTS bionic Not in
release 16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-4.8-powerpc-cross 24.10 oracular Not in
release 24.04 LTS noble Not in release 23.10 mantic Not in release 23.04 lunar
Not in release 22.10 kinetic Not in release 22.04 LTS jammy Not in release 21.10
impish Not in release 20.04 LTS focal Not in release 18.04 LTS bionic Not in
release 16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-4.8-ppc64el-cross 24.10 oracular Not in
release 24.04 LTS noble Not in release 23.10 mantic Not in release 23.04 lunar
Not in release 22.10 kinetic Not in release 22.04 LTS jammy Not in release 21.10
impish Not in release 20.04 LTS focal Not in release 18.04 LTS bionic Not in
release 16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-4.9 24.10 oracular Not in release 24.04 LTS
noble Not in release 23.10 mantic Not in release 23.04 lunar Not in release
22.10 kinetic Not in release 22.04 LTS jammy Not in release 21.10 impish Not in
release 20.04 LTS focal Not in release 18.04 LTS bionic Not in release 16.04 LTS
xenial
Not affected
14.04 LTS trusty Not in release gcc-5 24.10 oracular Not in release 24.04 LTS
noble Not in release 23.10 mantic Not in release 23.04 lunar Not in release
22.10 kinetic Not in release 22.04 LTS jammy Not in release 21.10 impish Not in
release 20.04 LTS focal Not in release 18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release gcc-5-cross 24.10 oracular Not in release 24.04
LTS noble Not in release 23.10 mantic Not in release 23.04 lunar Not in release
22.10 kinetic Not in release 22.04 LTS jammy Not in release 21.10 impish Not in
release 20.04 LTS focal Not in release 18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release gcc-6 24.10 oracular Not in release 24.04 LTS
noble Not in release 23.10 mantic Not in release 23.04 lunar Not in release
22.10 kinetic Not in release 22.04 LTS jammy Not in release 21.10 impish Not in
release 20.04 LTS focal Not in release 18.04 LTS bionic
Not affected
16.04 LTS xenial Not in release 14.04 LTS trusty Not in release gcc-6-cross
24.10 oracular Not in release 24.04 LTS noble Not in release 23.10 mantic Not in
release 23.04 lunar Not in release 22.10 kinetic Not in release 22.04 LTS jammy
Not in release 21.10 impish Not in release 20.04 LTS focal Not in release 18.04
LTS bionic
Not affected
16.04 LTS xenial Not in release 14.04 LTS trusty Not in release
gcc-6-cross-ports 24.10 oracular Not in release 24.04 LTS noble Not in release
23.10 mantic Not in release 23.04 lunar Not in release 22.10 kinetic Not in
release 22.04 LTS jammy Not in release 21.10 impish Not in release 20.04 LTS
focal Not in release 18.04 LTS bionic
Not affected
16.04 LTS xenial Not in release 14.04 LTS trusty Not in release gcc-7 24.10
oracular Not in release 24.04 LTS noble Not in release 23.10 mantic Not in
release 23.04 lunar Not in release 22.10 kinetic Not in release 22.04 LTS jammy
Not in release 21.10 impish Not in release 20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial Not in release 14.04 LTS trusty Not in release gcc-7-cross
24.10 oracular Not in release 24.04 LTS noble Not in release 23.10 mantic Not in
release 23.04 lunar Not in release 22.10 kinetic Not in release 22.04 LTS jammy
Not in release 21.10 impish Not in release 20.04 LTS focal Not in release 18.04
LTS bionic
Needs evaluation
16.04 LTS xenial Not in release 14.04 LTS trusty Not in release
gcc-7-cross-ports 24.10 oracular Not in release 24.04 LTS noble Not in release
23.10 mantic Not in release 23.04 lunar Not in release 22.10 kinetic Not in
release 22.04 LTS jammy Not in release 21.10 impish Not in release 20.04 LTS
focal Not in release 18.04 LTS bionic
Needs evaluation
16.04 LTS xenial Not in release 14.04 LTS trusty Not in release gcc-8 24.10
oracular Not in release 24.04 LTS noble Not in release 23.10 mantic Not in
release 23.04 lunar Not in release 22.10 kinetic Not in release 22.04 LTS jammy
Not in release 21.10 impish Ignored end of life 20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial Not in release 14.04 LTS trusty Not in release gcc-8-cross
24.10 oracular Not in release 24.04 LTS noble Not in release 23.10 mantic Not in
release 23.04 lunar Not in release 22.10 kinetic Not in release 22.04 LTS jammy
Not in release 21.10 impish Not in release 20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial Not in release 14.04 LTS trusty Not in release
gcc-8-cross-ports 24.10 oracular Not in release 24.04 LTS noble Not in release
23.10 mantic Not in release 23.04 lunar Not in release 22.10 kinetic Not in
release 22.04 LTS jammy Not in release 21.10 impish Not in release 20.04 LTS
focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial Not in release 14.04 LTS trusty Not in release gcc-9 24.10
oracular Not in release 24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish Ignored end of life 20.04 LTS focal
Not affected
18.04 LTS bionic Not in release 16.04 LTS xenial Not in release 14.04 LTS trusty
Not in release gcc-9-cross 24.10 oracular Not in release 24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic Ignored end of life, was needs-triage 22.04 LTS jammy
Not affected
21.10 impish Ignored end of life 20.04 LTS focal
Not affected
18.04 LTS bionic Not in release 16.04 LTS xenial Not in release 14.04 LTS trusty
Not in release gcc-9-cross-ports 24.10 oracular Not in release 24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic Ignored end of life, was needs-triage 22.04 LTS jammy
Not affected
21.10 impish Ignored end of life 20.04 LTS focal
Not affected
18.04 LTS bionic Not in release 16.04 LTS xenial Not in release 14.04 LTS trusty
Not in release gcc-arm-linux-androideabi 24.10 oracular Not in release 24.04 LTS
noble Not in release 23.10 mantic Not in release 23.04 lunar Not in release
22.10 kinetic Not in release 22.04 LTS jammy Not in release 21.10 impish Not in
release 20.04 LTS focal Not in release 18.04 LTS bionic Not in release 16.04 LTS
xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-arm-none-eabi 24.10 oracular
Needs evaluation
24.04 LTS noble
Needs evaluation
23.10 mantic Ignored end of life, was needs-triage 23.04 lunar Ignored end of
life, was needs-triage 22.10 kinetic Ignored end of life, was needs-triage 22.04
LTS jammy
Needs evaluation
21.10 impish Ignored end of life 20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-avr 24.10 oracular
Needs evaluation
24.04 LTS noble
Needs evaluation
23.10 mantic Ignored end of life, was needs-triage 23.04 lunar Ignored end of
life, was needs-triage 22.10 kinetic Ignored end of life, was needs-triage 22.04
LTS jammy
Needs evaluation
21.10 impish Ignored end of life 20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-defaults 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic Ignored end of life, was needs-triage 23.04 lunar Ignored end of
life, was needs-triage 22.10 kinetic Ignored end of life, was needs-triage 22.04
LTS jammy
Not affected
21.10 impish Ignored end of life 20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected
gcc-defaults-arm64-cross 24.10 oracular Not in release 24.04 LTS noble Not in
release 23.10 mantic Not in release 23.04 lunar Not in release 22.10 kinetic Not
in release 22.04 LTS jammy Not in release 21.10 impish Not in release 20.04 LTS
focal Not in release 18.04 LTS bionic Not in release 16.04 LTS xenial Not in
release 14.04 LTS trusty Not in release gcc-defaults-armel-cross 24.10 oracular
Not in release 24.04 LTS noble Not in release 23.10 mantic Not in release 23.04
lunar Not in release 22.10 kinetic Not in release 22.04 LTS jammy Not in release
21.10 impish Not in release 20.04 LTS focal Not in release 18.04 LTS bionic Not
in release 16.04 LTS xenial Not in release 14.04 LTS trusty Not in release
gcc-defaults-armhf-cross 24.10 oracular Not in release 24.04 LTS noble Not in
release 23.10 mantic Not in release 23.04 lunar Not in release 22.10 kinetic Not
in release 22.04 LTS jammy Not in release 21.10 impish Not in release 20.04 LTS
focal Not in release 18.04 LTS bionic Not in release 16.04 LTS xenial Not in
release 14.04 LTS trusty Not in release gcc-defaults-powerpc-cross 24.10
oracular Not in release 24.04 LTS noble Not in release 23.10 mantic Not in
release 23.04 lunar Not in release 22.10 kinetic Not in release 22.04 LTS jammy
Not in release 21.10 impish Not in release 20.04 LTS focal Not in release 18.04
LTS bionic Not in release 16.04 LTS xenial Not in release 14.04 LTS trusty Not
in release gcc-defaults-ppc64el-cross 24.10 oracular Not in release 24.04 LTS
noble Not in release 23.10 mantic Not in release 23.04 lunar Not in release
22.10 kinetic Not in release 22.04 LTS jammy Not in release 21.10 impish Not in
release 20.04 LTS focal Not in release 18.04 LTS bionic Not in release 16.04 LTS
xenial Not in release 14.04 LTS trusty Not in release gcc-h8300-hms 24.10
oracular
Needs evaluation
24.04 LTS noble
Needs evaluation
23.10 mantic Ignored end of life, was needs-triage 23.04 lunar Ignored end of
life, was needs-triage 22.10 kinetic Ignored end of life, was needs-triage 22.04
LTS jammy
Needs evaluation
21.10 impish Ignored end of life 20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-i686-linux-android 24.10 oracular Not in
release 24.04 LTS noble Not in release 23.10 mantic Not in release 23.04 lunar
Not in release 22.10 kinetic Not in release 22.04 LTS jammy Not in release 21.10
impish Not in release 20.04 LTS focal Not in release 18.04 LTS bionic Not in
release 16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-m68hc1x 24.10 oracular Not in release 24.04
LTS noble Not in release 23.10 mantic Not in release 23.04 lunar Not in release
22.10 kinetic Ignored end of life, was needs-triage 22.04 LTS jammy
Needs evaluation
21.10 impish Ignored end of life 20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-mingw-w64 24.10 oracular
Needs evaluation
24.04 LTS noble
Needs evaluation
23.10 mantic Ignored end of life, was needs-triage 23.04 lunar Ignored end of
life, was needs-triage 22.10 kinetic Ignored end of life, was needs-triage 22.04
LTS jammy
Needs evaluation
21.10 impish Ignored end of life 20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty
Needs evaluation
gcc-msp430 24.10 oracular Not in release 24.04 LTS noble Not in release 23.10
mantic Ignored end of life, was needs-triage 23.04 lunar Ignored end of life,
was needs-triage 22.10 kinetic Ignored end of life, was needs-triage 22.04 LTS
jammy
Needs evaluation
21.10 impish Ignored end of life 20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-opt 24.10 oracular
Needs evaluation
24.04 LTS noble
Needs evaluation
23.10 mantic Ignored end of life, was needs-triage 23.04 lunar Ignored end of
life, was needs-triage 22.10 kinetic Ignored end of life, was needs-triage 22.04
LTS jammy
Needs evaluation
21.10 impish Ignored end of life 20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release gcc-snapshot 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic Ignored end of life, was needs-triage 22.04 LTS jammy Ignored end
of standard support, was needs-triage 21.10 impish Ignored end of life 20.04 LTS
focal Ignored end of standard support, was needs-triage 18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release gccgo-4.9 24.10 oracular Not in release 24.04
LTS noble Not in release 23.10 mantic Not in release 23.04 lunar Not in release
22.10 kinetic Not in release 22.04 LTS jammy Not in release 21.10 impish Not in
release 20.04 LTS focal Not in release 18.04 LTS bionic Not in release 16.04 LTS
xenial Not in release 14.04 LTS trusty
Not affected
gccgo-6 24.10 oracular Not in release 24.04 LTS noble Not in release 23.10
mantic Not in release 23.04 lunar Not in release 22.10 kinetic Not in release
22.04 LTS jammy Not in release 21.10 impish Not in release 20.04 LTS focal Not
in release 18.04 LTS bionic Not in release 16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release gdb 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.04 LTS jammy
Vulnerable
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Ignored end of standard support libiberty 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Vulnerable
21.04 hirsute Ignored end of life 20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release

--------------------------------------------------------------------------------

 * How can I get the fixes?
 * What do statuses mean?
 * Patch details


NOTES

--------------------------------------------------------------------------------


SBEATTIE

gcc-3.3 only provides libstdc++5

--------------------------------------------------------------------------------


LITIOS

affected code introduced in gcc-11.1.0 on 2020-11-13 with 84096498a7b
(“libiberty: Support the new (“v0″) mangling scheme in rust-demangle”)

--------------------------------------------------------------------------------


LITIOS

affected code introduced in binutils in d750c713

--------------------------------------------------------------------------------


ESLERM

fixed in gcc-13.1.0 on 2022-07-01 with 9234cdca6ee (“Add a recursion limit to
the demangle_const function in the fixed in binutils-2_39 on 2020-01-31 with
f10f8617a30 (“Import patch from mainline GCC to fix an infinite recusion in the
Rust demangler.”)


PATCH DETAILS

For informational purposes only. We recommend not to cherry-pick updates. How
can I get the fixes?

Package Patch details libiberty
 * Upstream:
   https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=9234cdca6ee88badfc00297e72f13dac4e540c79


SEVERITY SCORE BREAKDOWN

Parameter Value Base score 5.5 · Medium Attack vector Local Attack complexity
Low Privileges required None User interaction Required Scope Unchanged
Confidentiality None Integrity impact None Availability impact High Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H


REFERENCES

 * MITRE
 * NVD
 * Launchpad
 * Debian


OTHER REFERENCES

 * https://gcc.gnu.org/pipermail/gcc-patches/2022-March/592244.html
 * https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=9234cdca6ee88badfc00297e72f13dac4e540c79
 * https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=1a770b01ef415e114164b6151d1e55acdee09371
 * https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=fc968115a742d9e4674d9725ce9c2106b91b6ead
 * https://www.cve.org/CVERecord?id=CVE-2022-27943

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