vulnerability

Ubuntu: USN-6409-1 (CVE-2023-4911): GNU C Library vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Oct 3, 2023
Added
Oct 4, 2023
Modified
Jan 30, 2025

Description

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.

Solution

ubuntu-upgrade-libc6
Title
NEW

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