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Medium 5.5Published May 27, 2026

CVE-2026-46087mm/damon/stat: fix memory leak on damon_start() failure in damon_stat_start()

Updated under an hour ago ()

Does this affect you?

It affects Linux and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
Not given
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Linux
NVD analysis
Analyzed
Record last updated
Jun 14, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Linux Linux
linux:linux (from the name)
369c415e60732b7c8ed33368891581246f580d7a builds before 8a62c58411cbd748d7aeab0e5b0963e33ff47a7a; 369c415e60732b7c8ed33368891581246f580d7a builds before 50bc1d7e0f3bb6932c8dc5da0907eead0790176b; from 369c415e60732b7c8ed33368891581246f580d7a before e04ed278d25bf15769800bf6e35c6737f137186f
CNA record
linux linux_kernel
linux:linux_kernel
from 6.17 before 6.18.27; from 6.19 before 7.0.4
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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CVE-2026-46087: mm/damon/stat: fix memory leak on damon_start() failure in damon_stat_start() | InfoSec Signals