CVE-2023-3269
Distros-[dirtyvma] privilege escalation via non-rcu-protected vma traversal
At a glance
- Severity
- HIGH 7.8
- EPSS
- EPSS 1.30 % · percentile 70 (2026-10-28)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Modified
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.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H | redhat |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H | NVD · secalert@redhat.com (Secondary) |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2023-43945
- GCVE · GCVE-0-2023-3269
CERT-FR advisories
- CERTFR-2023-AVI-0599 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0515 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 6.1 < 6.1.37cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 6.2 < 6.3.11cpe:2.3:o:linux:linux_kernel:6.4:-:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.4:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.4:rc2:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.4:rc3:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.4:rc4:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.4:rc5:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.4:rc6:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.4:rc7:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Affected products
References
- https://access.redhat.com/security/cve/CVE-2023-3269
- https://bugzilla.redhat.com/show_bug.cgi?id=2215268
- https://www.openwall.com/lists/oss-security/2023/07/05/1
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U6AAA64CUPSMBW6XDTXPQJ3KQWYQ4K7L/
- http://seclists.org/fulldisclosure/2023/Jul/43
- http://www.openwall.com/lists/oss-security/2023/07/28/1
- http://www.openwall.com/lists/oss-security/2023/08/25/1
- http://www.openwall.com/lists/oss-security/2023/08/25/4
- https://security.netapp.com/advisory/ntap-20230908-0001/
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |