CVE-2023-3269
Distros-[dirtyvma] privilege escalation via non-rcu-protected vma traversal
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.
Timeline
ID reserved
By redhat
- 26 days later
· 26 days later
Published
- 20 months later
· 20 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 30% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
kernel
All versions: affected
Red Hat · Red Hat Enterprise Linux 6
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 7
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 7
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 9
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 9
All versions: unaffected
All versions: affected
References (9)
- https://access.redhat.com/security/cve/CVE-2023-3269 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
- RHBZ#2215268 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
- https://www.openwall.com/lists/oss-security/2023/07/05/1 (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/U6AAA64CUPSMBW6XDTXPQJ3KQWYQ4K7L/ (opens in a new tab)x_transferred
- http://seclists.org/fulldisclosure/2023/Jul/43 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/07/28/1 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/08/25/1 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/08/25/4 (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20230908-0001/ (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-3269)Record last updated .