CVE-2023-3269
Distros-[dirtyvma] privilege escalation via non-rcu-protected vma traversal
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-416 |
| Vendor | n/a |
| Product | kernel |
| Published | Jul 11, 2023 |
| Last Updated | Mar 5, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
n/a / kernel
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Fedora / Fedora
All versions affected References
access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-3269 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2215268 openwall.com: https://www.openwall.com/lists/oss-security/2023/07/05/1 lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/U6AAA64CUPSMBW6XDTXPQJ3KQWYQ4K7L/ seclists.org: http://seclists.org/fulldisclosure/2023/Jul/43 openwall.com: http://www.openwall.com/lists/oss-security/2023/07/28/1 openwall.com: http://www.openwall.com/lists/oss-security/2023/08/25/1 openwall.com: http://www.openwall.com/lists/oss-security/2023/08/25/4 security.netapp.com: https://security.netapp.com/advisory/ntap-20230908-0001/