CVE-2023-4611

Summary

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 Software

Weaknesses

• CWE-416: Use After Free

Workarounds

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

ADP Enrichment

CVE Program Container

Additional 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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

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

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