Bug 1214772 (CVE-2023-4611) - VUL-0: CVE-2023-4611: kernel: use after free race between mbind() and VMA-locked page fault
Summary: VUL-0: CVE-2023-4611: kernel: use after free race between mbind() and VMA-loc...
Status: RESOLVED FIXED
Alias: CVE-2023-4611
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents (show other bugs)
Version: unspecified
Hardware: Other Other
: P3 - Medium : Normal
Target Milestone: ---
Assignee: Security Team bot
QA Contact: Security Team bot
URL: https://smash.suse.de/issue/376626/
Whiteboard: CVSSv3.1:SUSE:CVE-2023-4611:7.0:(AV:L...
Keywords:
Depends on:
Blocks:
 
Reported: 2023-08-30 07:03 UTC by Alexander Bergmann
Modified: 2024-06-25 17:54 UTC (History)
3 users (show)

See Also:
Found By: Security Response Team
Services Priority:
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Blocker: ---
Marketing QA Status: ---
IT Deployment: ---

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Description Alexander Bergmann 2023-08-30 07:03:28 UTC 
CVE-2023-4611

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.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-4611
https://bugzilla.redhat.com/show_bug.cgi?id=2227244
https://www.cve.org/CVERecord?id=CVE-2023-4611
https://access.redhat.com/security/cve/CVE-2023-4611
https://www.spinics.net/lists/stable-commits/msg310136.html
Comment 1 Michal Hocko 2023-08-30 07:59:45 UTC 
This is 6.4+ issue. For us that means 15-sp6, ALP and stable branches. SP6 and ALP already have the fix via stable backport so I've just updated references. stable branch will get it eventually.
Comment 9 Gabriele Sonnu 2024-06-10 12:57:51 UTC 
All done, closing.