CVE-2026-23231
medium
CVSS v3
—
CVSS v4 NEW
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VIR risk
6.5
Description
RHSA-2026:6572: kernel-rt security update (Moderate)
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Linux nf_tables 6.19.3 - Local Privilege Escalation
Source code queued for fetch — refresh in a moment.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| sles | affected | | |
| debian | bookworm | fixed | 6.1.170-1 |
| debian | bullseye | fixed | 6.1.170-1~deb11u1 |
| debian | forky | fixed | 6.18.14-1 |
| debian | sid | fixed | 6.18.14-1 |
| debian | trixie | fixed | 6.12.85-1 |
| almalinux | 9 | fixed | perf-5.14.0-611.47.1.el9_7.aarch64.rpm |
| rocky | 9 | fixed | |
| rocky | 8 | fixed | |
| rhel | 8 | fixed | |
References
- https://access.redhat.com/errata/RHSA-2026:6570
- https://www.suse.com/security/cve/CVE-2026-23231.html
- https://security-tracker.debian.org/tracker/CVE-2026-23231
- https://access.redhat.com/errata/RHSA-2026:6571
- https://bugzilla.redhat.com/2278333
- https://bugzilla.redhat.com/2439887
- https://bugzilla.redhat.com/2444376
- https://bugzilla.redhat.com/2444398
- https://errata.almalinux.org/8/ALSA-2026-6571.html
- https://access.redhat.com/errata/RHSA-2026:6572
- https://errata.almalinux.org/8/ALSA-2026-6572.html
- https://bugzilla.redhat.com/2376101
- https://bugzilla.redhat.com/2439687
- https://bugzilla.redhat.com/2439895
- https://errata.almalinux.org/9/ALSA-2026-6570.html
- https://errata.rockylinux.org/RLSA-2026:6570
- https://errata.rockylinux.org/RLSA-2026:6572
- https://errata.rockylinux.org/RLSA-2026:6571
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.