CVE-2026-45986
In the Linux kernel, the following vulnerability has been resolved: crypto: ccree - fix a memory leak in cc_mac_digest() Add cc_unmap_result() if cc_map_hash_request_final() fails to prevent potential memory leak.
Affected versions
Linux kernel versions
4.17
and later are affected. Fixed in
5.10.258,
5.15.209,
6.1.175,
6.6.140,
6.12.86,
6.18.27,
7.0.4,
7.1-rc1
and their respective stable series.
References
The following references provide additional information about CVE-2026-45986 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/02c64052fad03699b9c6d1df2f9b444d17e4ac50
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PatchKernel patch commithttps://git.kernel.org/stable/c/22f1dd4ca3bfe77db52cc7df3cc353dc114aab8b
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PatchKernel patch commithttps://git.kernel.org/stable/c/3061c9bfb3f5b3522ab174e2fa7473b24422d1c6
Frequently asked questions
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What is CVE-2026-45986?
CVE-2026-45986 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.17 onward and has been patched in 5.10.258, 5.15.209, 6.1.175 and others. CVE-2026-45986 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-2026-45986?
Yes — CVE-2026-45986 has been patched. Fixed versions include 5.10.258, 5.15.209, 6.1.175 and others. If you are running Linux kernel 4.17 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-45986 actively exploited?
No — CVE-2026-45986 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.