CVE-2023-54088
In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: hold queue_lock when removing blkg->q_node When blkg is removed from q->blkg_list from blkg_free_workfn(), queue_lock has to be held, otherwise, all kinds of bugs(list corruption, hard lockup, ..) can be triggered from blkg_destroy_all().
Affected versions
Linux kernel versions
6.1.16,
6.2.3,
6.3
and later are affected. Fixed in
6.1.17,
6.2.4,
6.4.12,
6.5
and their respective stable series.
References
The following references provide additional information about CVE-2023-54088 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/083b58373463a6e5ee60ecb135269348f68ad7df
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PatchKernel patch commithttps://git.kernel.org/stable/c/b5dae1cd0d8368b4338430ff93403df67f0b8bcc
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PatchKernel patch commithttps://git.kernel.org/stable/c/c164c7bc9775be7bcc68754bb3431fce5823822e
Frequently asked questions
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What is CVE-2023-54088?
CVE-2023-54088 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.1.16 onward and has been patched in 6.1.17, 6.2.4, 6.4.12 and others. CVE-2023-54088 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2023-54088?
Yes — CVE-2023-54088 has been patched. Fixed versions include 6.1.17, 6.2.4, 6.4.12 and others. If you are running Linux kernel 6.1.16 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-54088 actively exploited?
No — CVE-2023-54088 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.