CVE-2026-23053
In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a deadlock involving nfs_release_folio() Wang Zhaolong reports a deadlock involving NFSv4.1 state recovery waiting on kthreadd, which is attempting to reclaim memory by calling nfs_release_folio(). The latter cannot make progress due to state recovery being needed. It seems that the only safe thing to do here is to kick off a writeback of the folio, without waiting for completion, or else kicking off an asynchronous commit.
Affected versions
Linux kernel versions
6.3
and later are affected. Fixed in
6.6.130,
6.12.67,
6.18.7,
6.19
and their respective stable series.
References
The following references provide additional information about CVE-2026-23053 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/19b4d9ab5e77843eac0429c019470c02f8710b55
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PatchKernel patch commithttps://git.kernel.org/stable/c/49d352bc263fe4a834233338bfaad31b3109addf
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PatchKernel patch commithttps://git.kernel.org/stable/c/a4810f8beb0122f032f10735f98d257aa6064f4c
Frequently asked questions
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What is CVE-2026-23053?
CVE-2026-23053 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.3 onward and has been patched in 6.6.130, 6.12.67, 6.18.7 and others. CVE-2026-23053 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-2026-23053?
Yes — CVE-2026-23053 has been patched. Fixed versions include 6.6.130, 6.12.67, 6.18.7 and others. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-23053 actively exploited?
No — CVE-2026-23053 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.