CVE-2023-2163
high
CVSS v3
—
CVSS v4 NEW
—
VIR risk
8.0
Description
Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.
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.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 6.1.27-1 |
| sid | Fixed | 6.1.27-1 |
| forky | Fixed | 6.1.27-1 |
| bullseye | Fixed | 5.10.179-1 |
| bookworm | Fixed | 6.1.27-1 |
Red Hat Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | — |
Rocky Linux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | — |
References
- https://errata.rockylinux.org/RXSA-2023:7549
- https://errata.rockylinux.org/RLSA-2023:7549
- https://errata.rockylinux.org/RLSA-2023:7548
- https://www.suse.com/security/cve/CVE-2023-2163.html
- https://security-tracker.debian.org/tracker/CVE-2023-2163
- https://access.redhat.com/errata/RHSA-2023:7549
- https://bugzilla.redhat.com/2148510
- https://bugzilla.redhat.com/2148517
- https://bugzilla.redhat.com/2151956
- https://bugzilla.redhat.com/2154178
- https://bugzilla.redhat.com/2224048
- https://bugzilla.redhat.com/2240249
- https://bugzilla.redhat.com/2241924
- https://errata.almalinux.org/8/ALSA-2023-7549.html
- https://access.redhat.com/errata/RHSA-2023:7548
- https://access.redhat.com/errata/RHSA-2023:7554
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.