CVE-2026-31402
Description
Important: kernel-rt security update
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2026-13578.html
Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2026:13578
Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2026-13577.html
Vendor advisory: alma — https://bugzilla.redhat.com/2453803
Vendor advisory: alma — https://bugzilla.redhat.com/2424886
Vendor advisory: alma — https://bugzilla.redhat.com/2301637
Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2026:13577
Vendor advisory: alma — https://errata.almalinux.org/9/ALSA-2026-13565.html
Vendor advisory: alma — https://bugzilla.redhat.com/2460538
Vendor advisory: alma — https://bugzilla.redhat.com/2454844
Vendor advisory: alma — https://bugzilla.redhat.com/2448745
Vendor advisory: alma — https://bugzilla.redhat.com/2439852
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-31402
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-31402.html
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/f9fcb4441f6c02bb20c2eb340101e27dfe23607c
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/dad0c3c0a8e5d1d6eb0fc455694ce3e25e6c57d0
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/c9452c0797c95cf2378170df96cf4f4b3bca7eff
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/ae8498337dfdfda71bdd0b807c9a23a126011d76
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/8afb437ea1f70cacb4bbdf11771fb5c4d720b965
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/5133b61aaf437e5f25b1b396b14242a6bb0508e2
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/0f0e2a54a31a7f9ad2915db99156114872317388
Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2026:19568
Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2026:13565
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| sles | affected | | |
| debian | bookworm | fixed | 6.1.170-1 |
| debian | forky | fixed | 6.19.10-1 |
| debian | sid | fixed | 6.19.10-1 |
| debian | trixie | fixed | 6.12.85-1 |
| debian | bullseye | fixed | 6.1.170-1~deb11u1 |
| linux-kernel | affected | 5.10.253 | |
| linux-kernel | 2.6.12 | affected | |
| linux-kernel | 7.0 | affected | |
References
- https://access.redhat.com/errata/RHSA-2026:13565
- https://access.redhat.com/errata/RHSA-2026:19568
- https://git.kernel.org/stable/c/0f0e2a54a31a7f9ad2915db99156114872317388
- https://git.kernel.org/stable/c/5133b61aaf437e5f25b1b396b14242a6bb0508e2
- https://git.kernel.org/stable/c/8afb437ea1f70cacb4bbdf11771fb5c4d720b965
- https://git.kernel.org/stable/c/ae8498337dfdfda71bdd0b807c9a23a126011d76
- https://git.kernel.org/stable/c/c9452c0797c95cf2378170df96cf4f4b3bca7eff
- https://git.kernel.org/stable/c/dad0c3c0a8e5d1d6eb0fc455694ce3e25e6c57d0
- https://git.kernel.org/stable/c/f9fcb4441f6c02bb20c2eb340101e27dfe23607c
- https://www.suse.com/security/cve/CVE-2026-31402.html
- https://security-tracker.debian.org/tracker/CVE-2026-31402
- https://bugzilla.redhat.com/2439852
- https://bugzilla.redhat.com/2448745
- https://bugzilla.redhat.com/2454844
- https://bugzilla.redhat.com/2460538
- https://errata.almalinux.org/9/ALSA-2026-13565.html
- https://access.redhat.com/errata/RHSA-2026:13577
- https://bugzilla.redhat.com/2301637
- https://bugzilla.redhat.com/2424886
- https://bugzilla.redhat.com/2453803
- https://errata.almalinux.org/8/ALSA-2026-13577.html
- https://access.redhat.com/errata/RHSA-2026:13578
- https://errata.almalinux.org/8/ALSA-2026-13578.html
CWEs
CWE-787
Verify integrity in audit chain (admin only). AS-IS.