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Gentoo Linux Security Advisory 202208-24

Gentoo Linux Security Advisory 202208-24
Posted Aug 15, 2022
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202208-24 - Multiple vulnerabilities have been discovered in the GNU C Library, the worst of which could result in denial of service. Versions less than 2.34 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2021-35942, CVE-2021-38604, CVE-2021-3998, CVE-2021-3999, CVE-2022-23218, CVE-2022-23219
SHA-256 | af7352ecdab5828d81648506322e455108d6ee3f3c403d438fc546db5c2b433c

Gentoo Linux Security Advisory 202208-24

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 202208-24
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https://security.gentoo.org/
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Severity: Normal
Title: GNU C Library: Multiple Vulnerabilities
Date: August 14, 2022
Bugs: #803437, #807935, #831096, #831212
ID: 202208-24

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Synopsis
=======
Multiple vulnerabilities have been discovered in the GNU C Library, the
worst of which could result in denial of service.

Background
=========
The GNU C library is the standard C library used by Gentoo Linux
systems. It provides programs with basic facilities and interfaces to
system calls. ld.so is the dynamic linker which prepares dynamically
linked programs for execution by resolving runtime dependencies and
related functions.

Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-libs/glibc < 2.34 >= 2.34

Description
==========
Multiple vulnerabilities have been discovered in GNU C Library. Please
review the CVE identifiers referenced below for details.

Impact
=====
Please review the referenced CVE identifiers for details.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All GNU C Library users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.34-r7"

References
=========
[ 1 ] CVE-2021-3998
https://nvd.nist.gov/vuln/detail/CVE-2021-3998
[ 2 ] CVE-2021-3999
https://nvd.nist.gov/vuln/detail/CVE-2021-3999
[ 3 ] CVE-2021-35942
https://nvd.nist.gov/vuln/detail/CVE-2021-35942
[ 4 ] CVE-2021-38604
https://nvd.nist.gov/vuln/detail/CVE-2021-38604
[ 5 ] CVE-2022-23218
https://nvd.nist.gov/vuln/detail/CVE-2022-23218
[ 6 ] CVE-2022-23219
https://nvd.nist.gov/vuln/detail/CVE-2022-23219

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202208-24

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2022 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5
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