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Gentoo: GLSA-202209-12 Critical: OpenSSL Denial of Service Vulnerability

gentoo
Calendar Grey August 14, 2022
Dist Gentoo Esm H88
Critical security flaws found in GNU C Library for Gentoo Linux demand immediate action. Ensure to verify the most recent patch updates.
Multiple vulnerabilities have been discovered in the GNU C Library, the worst of which could result in denial of service.

Summary

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

Topics%20covered

Topics Covered

security advisory denial of service gentoo glibc normal severity

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
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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.

Severity: Normal
Title: GNU C Library: Multiple Vulnerabilities
Date: August 14, 2022
Bugs: #803437, #807935, #831096, #831212
ID: 202208-24

Topics%20covered

Topics Covered

security advisory denial of service gentoo glibc normal severity

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.

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Affected Packages

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

Impact

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

Workaround

There is no known workaround at this time.

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