[CLSA-2026:1777941636] Fix CVE(s): CVE-2026-4878
Type:
security
Severity:
Important
Release date:
2026-05-05 00:40:45 UTC
Description:
* SECURITY UPDATE: TOCTOU race in cap_set_file() - debian/patches/CVE-2026-4878.patch: lock onto the target file via an O_PATH descriptor and operate via /proc/self/fd/N in libcap/cap_file.c so that file capability changes cannot be redirected to an attacker- controlled file by a local user with write access to a parent directory. - CVE-2026-4878
Updated packages:
  • libcap-dev_2.32-1ubuntu0.2+tuxcare.els1_amd64.deb
    sha:86e02ab70a21e559268ccb0eb6c48404834979db
  • libcap2_2.32-1ubuntu0.2+tuxcare.els1_amd64.deb
    sha:e7257df0680f8a0cde5f0331f1bf0f5d7fe880b6
  • libcap2-bin_2.32-1ubuntu0.2+tuxcare.els1_amd64.deb
    sha:5c11e8beddd3a4ad39eba413cb65f1441ff569b5
  • libpam-cap_2.32-1ubuntu0.2+tuxcare.els1_amd64.deb
    sha:36537df44a41df81fd2c3f59e76fc5d7fd04f7e6
Notes:
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