CVE-2026-53287
In the Linux kernel, the following vulnerability has been resolved: audit: fix incorrect inheritable capability in CAPSET records __audit_log_capset() records the effective capability set into the inheritable field due to a copy-paste error.
Does this matter?
Lower severity and a low EPSS score (0.12%). Track it; it rarely justifies an emergency change on its own.
Description
In the Linux kernel, the following vulnerability has been resolved: audit: fix incorrect inheritable capability in CAPSET records __audit_log_capset() records the effective capability set into the inheritable field due to a copy-paste error. Every CAPSET audit record therefore reports cap_pi (process inheritable) with the value of cap_effective instead of cap_inheritable. This silently corrupts audit data used for compliance and forensic analysis: an attacker who modifies inheritable capabilities to prepare for a privilege-escalating exec would have the change masked in the audit trail. The bug has been present since the original introduction of CAPSET audit records in 2008.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.12% probability · 2th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/0a065c51a225854768b772a0b733a44d77162582Patch
- https://git.kernel.org/stable/c/151ee470edc3d7ed29fe72df678f8357d2ad8cedPatch
- https://git.kernel.org/stable/c/75bd76c9eb2de9afeca03dc5152ebca5fb8fc816Patch
- https://git.kernel.org/stable/c/95de7bb4bf535a9288549d401ebde83cdcbf2792Patch
- https://git.kernel.org/stable/c/d782e4d200cd9036ef353eeb29525bfbfd13a14ePatch
- https://git.kernel.org/stable/c/e35f3550c5b4fab33103c18654c293cee9850b0aPatch
- https://git.kernel.org/stable/c/e4a640475e43f406fdfd56d370b1f34b0cbbc18dPatch
- https://git.kernel.org/stable/c/febb4bf373ac565d3fb8d1f429827bdd983be496Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.