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SUSE Linux Micro 6.2 libcap Important Privilege Escalation CVE-2026-4878

suse
Calendar Grey April 24, 2026
Dist Suse Esm H88
An important security update for libcap to address privilege escalation issues in SUSE Linux Micro 6.2.
An update that solves one vulnerability can now be installed.

Summary

## 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

Topics%20covered

Topics Covered

security advisory SuSE privilege escalation important CVE libcap

References

* bsc#1261809

Cross-

* CVE-2026-4878

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.

##

* https://www.suse.com/security/cve/CVE-2026-4878.html

* https://bugzilla.suse.com/show_bug.cgi?id=1261809

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21274-1
Release Date: 2026-04-22T10:21:26Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE privilege escalation important CVE libcap

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