Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 6.5 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-4611Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2227244Issue TrackingPatchThird Party Advisory
- https://www.spinics.net/lists/stable-commits/msg310136.htmlMailing ListPatch
- https://access.redhat.com/security/cve/CVE-2023-4611Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2227244Issue TrackingPatchThird Party Advisory
- https://www.spinics.net/lists/stable-commits/msg310136.htmlMailing ListPatch
FAQ
What is CVE-2023-4611?
CVE-2023-4611 is a vulnerability with a CVSS score of 7.0 (HIGH). 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 loca...
How severe is CVE-2023-4611?
CVE-2023-4611 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-4611?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.