Security update for glibc

Announcement ID: SUSE-SU-2025:20332-1
Release Date: May 21, 2025, 11:06 a.m.
Rating: critical
References:
Cross-References:
CVSS scores:
  • CVE-2025-4802 ( SUSE ): 9.4 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  • CVE-2025-4802 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-4802 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Micro 6.0

An update that solves one vulnerability and has two fixes can now be installed.

Description:

This update for glibc fixes the following issues:

  • CVE-2025-4802: Fixed local root exploits when using static built setuid root applications. (elf: Ignore LD_LIBRARY_PATH and debug env var for setuid for static) (bsc#1243317)
  • pthreads NPTL: lost wakeup fix 2 (bsc#1234128, BZ #25847)
  • Mark functions in libc_nonshared.a as hidden (bsc#1239883)

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Micro 6.0
    zypper in -t patch SUSE-SLE-Micro-6.0-328=1

Package List:

  • SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    • glibc-locale-2.38-9.1
    • glibc-2.38-9.1
    • glibc-locale-base-debuginfo-2.38-9.1
    • glibc-locale-base-2.38-9.1
    • glibc-devel-debuginfo-2.38-9.1
    • glibc-debugsource-2.38-9.1
    • glibc-devel-2.38-9.1
    • glibc-debuginfo-2.38-9.1

References: