CVE-2026-46087
In the Linux kernel, the following vulnerability has been resolved: mm/damon/stat: fix memory leak on damon_start() failure in damon_stat_start() Destroy the DAMON context and reset the global pointer when damon_start() fails. Otherwise, the context allocated by damon_stat_build_ctx() is leaked, and the stale damon_stat_context pointer will be overwritten on the next enable attempt, making the old allocation permanently unreachable.
Affected versions
Linux kernel versions
6.17
and later are affected. Fixed in
6.18.27,
7.0.4,
7.1-rc1
and their respective stable series.
References
The following references provide additional information about CVE-2026-46087 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/50bc1d7e0f3bb6932c8dc5da0907eead0790176b
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PatchKernel patch commithttps://git.kernel.org/stable/c/8a62c58411cbd748d7aeab0e5b0963e33ff47a7a
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PatchKernel patch commithttps://git.kernel.org/stable/c/e04ed278d25bf15769800bf6e35c6737f137186f
Frequently asked questions
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What is CVE-2026-46087?
CVE-2026-46087 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.17 onward and has been patched in 6.18.27, 7.0.4 and 7.1-rc1. CVE-2026-46087 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-2026-46087?
Yes — CVE-2026-46087 has been patched. Fixed versions include 6.18.27, 7.0.4 and 7.1-rc1. If you are running Linux kernel 6.17 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-46087 actively exploited?
No — CVE-2026-46087 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.