Security update for libcap

Announcement ID: SUSE-SU-2026:21274-1
Release Date: 2026-04-22T10:21:26Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2026-4878 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-4878 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-4878 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Micro 6.2

An update that solves one vulnerability can now be installed.

Description:

This update for libcap fixes the following issues:

  • CVE-2026-4878: local privilege escalation through file capability injection due to TOCTOU race condition in cap_set_file() (bsc#1261809).

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 6.2
    zypper in -t patch SUSE-SL-Micro-6.2-625=1

Package List:

  • SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)
    • libcap2-2.73-160000.3.1
    • libcap-debugsource-2.73-160000.3.1
    • libcap2-debuginfo-2.73-160000.3.1

References: