PT-2022-12604 · Gnu+4 · Gcc+4

Aidai · Published 2022-01-14 · Updated 2024-06-15 · CVE-2021-46195

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions GCC version 12.0

Description The issue is related to an uncontrolled recursion in the libiberty/rust-demangle.c component, allowing attackers to cause a Denial of Service (DoS) by consuming excessive CPU and memory resources.

Recommendations For GCC version 12.0, consider disabling the rust-demangle.c component as a temporary workaround until a patch is available. Restrict access to the vulnerable component to minimize the risk of exploitation.

Exploit

Fix

DoS

Uncontrolled Recursion

Weakness Enumeration

CWE-674

Related Identifiers

ALSA-2022:8415

CVE-2021-46195

OPENSUSE-SU-2022_4146-1

OPENSUSE-SU-2024:12631-1

RHSA-2022:8415

RHSA-2022_8415

SUSE-SU-2022:4146-1

SUSE-SU-2022:4277-1

Affected Products

Almalinux

Debian

Gcc

Red Hat

Suse

References · 46

• 🔥 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103841 · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2022:4146-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-46195 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46195 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-46195 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-46195 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-46195 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-46195 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:12631-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-46195 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2022-8415.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:4277-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2022:8415 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2022-8415.html · Vendor Advisory
• https://bugzilla.suse.com/1191908 · Note