{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98227","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.328Z","datePublished":"2026-10-06T08:45:02.265Z","dateUpdated":"2026-10-06T08:45:02.265Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-06T08:45:02.265Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmemstick: ms_block: destroy io_queue workqueue on removal\n\nmsb_init_disk() creates the per-card ordered workqueue msb->io_queue with\nalloc_ordered_workqueue(). It is torn down with destroy_workqueue() only\non the init error path; msb_remove() never destroys it. msb_stop() merely\nflushes the queue, and neither msb_data_clear() nor put_disk() free it. As\na result every card insert/remove cycle leaks the workqueue and its\nkworker, exhausting kernel memory over repeated cycles.\n\nDestroy the workqueue in msb_remove() after the disk has been removed and\nthe queue drained."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/memstick/core/ms_block.c"],"versions":[{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","lessThan":"0ff795163f37109a134b5a421558530f8d091544","status":"affected","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","lessThan":"19c3da6621a253f1f8b937ed91bc22330a930d9c","status":"affected","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","lessThan":"9a2e7cdc0880e735aff0968ee402f2c92a992b9b","status":"affected","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","lessThan":"6611f78ec3fd4b33a00bfda20725b254a22979f6","status":"affected","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","lessThan":"f222bb8c30cf5699c560b29179ff2bddcac1f950","status":"affected","versionType":"git"},{"version":"0ab30494bc4f3bc1ea4659b7c5d97c5218554a63","lessThan":"90af7fde083e1b22c349c3a8b1626728e44e474c","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/memstick/core/ms_block.c"],"versions":[{"version":"3.12","status":"affected"},{"version":"0","lessThan":"3.12","status":"unaffected","versionType":"semver"},{"version":"6.1.189","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.112","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.54","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.8","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc4","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":"3.12","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"7.3-rc4"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0ff795163f37109a134b5a421558530f8d091544"},{"url":"https://git.kernel.org/stable/c/19c3da6621a253f1f8b937ed91bc22330a930d9c"},{"url":"https://git.kernel.org/stable/c/9a2e7cdc0880e735aff0968ee402f2c92a992b9b"},{"url":"https://git.kernel.org/stable/c/6611f78ec3fd4b33a00bfda20725b254a22979f6"},{"url":"https://git.kernel.org/stable/c/f222bb8c30cf5699c560b29179ff2bddcac1f950"},{"url":"https://git.kernel.org/stable/c/90af7fde083e1b22c349c3a8b1626728e44e474c"}],"title":"memstick: ms_block: destroy io_queue workqueue on removal","x_generator":{"engine":"bippy-1.2.0"}}}}