Mageia alert MGASA-2023-0286 (glibc)

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Mageia Updates <buildsystem-daemon@mageia.org>
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updates-announce@ml.mageia.org
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[updates-announce] MGASA-2023-0286: Updated glibc packages fix a security vulnerability
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Wed, 11 Oct 2023 23:05:59 +0200
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<20231011210602.513149FC1E@duvel.mageia.org>
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Article
MGASA-2023-0286 - Updated glibc packages fix a security vulnerability

Publication date: 11 Oct 2023
URL: https://advisories.mageia.org/MGASA-2023-0286.html
Type: security
Affected Mageia releases: 8, 9
CVE: CVE-2023-4911

Description:
The updated packages fix a security vulnerability:

A buffer overflow was discovered in the GNU C Library's dynamic loader
ld.so while processing the GLIBC_TUNABLES environment variable. This
issue could allow a local attacker to use maliciously crafted
GLIBC_TUNABLES environment variables when launching binaries with SUID
permission to execute code with elevated privileges. (CVE-2023-4911)

References:
- https://bugs.mageia.org/show_bug.cgi?id=32357
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4911
- https://www.openwall.com/lists/oss-security/2023/10/03/2
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4911

SRPMS:
- 9/core/glibc-2.36-51.mga9
- 8/core/glibc-2.32-32.mga8