CVE-2023-4611
Medium
Elevated severity or exploit probability.
CVSS base
7.0
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.3%
19.4th percentile
CISA KEV
Not listed
Weakness / dates
CWE-416
Published 2023-08-29 · modified 2026-09-11
CVSS breakdown
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | H | High |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2023-08-29 — Published (NVD)
- 2026-09-11 — Last modified (NVD)
Description
A use-after-free flaw was found in mm/mempolicy.c in the memory management subsystem in the Linux Kernel. This issue is caused by a race between mbind() and VMA-locked page fault, and may allow a local attacker to crash the system or lead to a kernel information leak.
Affected
References
- https://access.redhat.com/security/cve/CVE-2023-4611
- https://bugzilla.redhat.com/show_bug.cgi?id=2227244
- https://www.spinics.net/lists/stable-commits/msg310136.html
- https://access.redhat.com/security/cve/CVE-2023-4611
- https://bugzilla.redhat.com/show_bug.cgi?id=2227244
- https://www.spinics.net/lists/stable-commits/msg310136.html