CVE-2026-31653 (GCVE-0-2026-31653)

Vulnerability from cvelistv5 – Published: 2026-04-24 14:45 – Updated: 2026-04-24 14:45
VLAI?
Title
mm/damon/sysfs: dealloc repeat_call_control if damon_call() fails
Summary
In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: dealloc repeat_call_control if damon_call() fails damon_call() for repeat_call_control of DAMON_SYSFS could fail if somehow the kdamond is stopped before the damon_call(). It could happen, for example, when te damon context was made for monitroing of a virtual address processes, and the process is terminated immediately, before the damon_call() invocation. In the case, the dyanmically allocated repeat_call_control is not deallocated and leaked. Fix the leak by deallocating the repeat_call_control under the damon_call() failure. This issue is discovered by sashiko [1].
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 04a06b139ec08aa63d7377f6d3e5218f8ddb1c5d , < b9dadf026a9fb681ed32a0646adc10ab485bf3b1 (git)
Affected: 04a06b139ec08aa63d7377f6d3e5218f8ddb1c5d , < 0655f5cf1735508394ef8af98ddcfab3ac1c1cc5 (git)
Affected: 04a06b139ec08aa63d7377f6d3e5218f8ddb1c5d , < 0199390a6b92fc21860e1b858abf525c7e73b956 (git)
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    Linux Linux Affected: 6.17
Unaffected: 0 , < 6.17 (semver)
Unaffected: 6.18.23 , ≤ 6.18.* (semver)
Unaffected: 6.19.13 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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