CVE-2023-4611

6.3 mediumEPSS 0.3%

Medium (6.3) in linux linux kernel. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.3 medium

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2023-08-29
Modified: 2026-09-11
Record from: the NVD, synced 2026-10-19

Affected

linux:linux_kernel

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

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