{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31653","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.128Z","datePublished":"2026-04-24T14:45:05.689Z","dateUpdated":"2026-05-11T22:12:58.645Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:12:58.645Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/sysfs: dealloc repeat_call_control if damon_call() fails\n\ndamon_call() for repeat_call_control of DAMON_SYSFS could fail if somehow\nthe kdamond is stopped before the damon_call().  It could happen, for\nexample, when te damon context was made for monitroing of a virtual\naddress processes, and the process is terminated immediately, before the\ndamon_call() invocation.  In the case, the dyanmically allocated\nrepeat_call_control is not deallocated and leaked.\n\nFix the leak by deallocating the repeat_call_control under the\ndamon_call() failure.\n\nThis issue is discovered by sashiko [1]."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["mm/damon/sysfs.c"],"versions":[{"version":"04a06b139ec08aa63d7377f6d3e5218f8ddb1c5d","lessThan":"b9dadf026a9fb681ed32a0646adc10ab485bf3b1","status":"affected","versionType":"git"},{"version":"04a06b139ec08aa63d7377f6d3e5218f8ddb1c5d","lessThan":"0655f5cf1735508394ef8af98ddcfab3ac1c1cc5","status":"affected","versionType":"git"},{"version":"04a06b139ec08aa63d7377f6d3e5218f8ddb1c5d","lessThan":"0199390a6b92fc21860e1b858abf525c7e73b956","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["mm/damon/sysfs.c"],"versions":[{"version":"6.17","status":"affected"},{"version":"0","lessThan":"6.17","status":"unaffected","versionType":"semver"},{"version":"6.18.23","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.13","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.18.23"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.19.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/b9dadf026a9fb681ed32a0646adc10ab485bf3b1"},{"url":"https://git.kernel.org/stable/c/0655f5cf1735508394ef8af98ddcfab3ac1c1cc5"},{"url":"https://git.kernel.org/stable/c/0199390a6b92fc21860e1b858abf525c7e73b956"}],"title":"mm/damon/sysfs: dealloc repeat_call_control if damon_call() fails","x_generator":{"engine":"bippy-1.2.0"}}}}