CVE-2026-31445
kernel: mm/damon/core: avoid use of half-online-committed context
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Severity
UnknownRed Hat Product Security
CVSS
Review impact separately from score.
Published · April 22, 2026
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel. When updating DAMON (Data Access MONitor) parameters, an internal memory allocation failure during the damon_commit_ctx() function could leave the DAMON context in a partially corrupted state. If this corrupted context is subsequently used, it can lead to unexpected system behaviors, including a NULL pointer dereference. While the real-world impact is considered rare, this vulnerability could potentially cause system instability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CWE-372 · Incomplete Internal State Distinction