{"id":"CVE-2026-98024","state":"PUBLISHED","title":"s390/ism: folio_put() after error","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/ism: folio_put() after error\n\ndmb->cpu_addr was allocated via folio_alloc(). Use folio_put() instead of\nkfree() in the error exit of ism_alloc_dmb() to avoid slab allocator\ncorruption.\n\nWhile at it, reset dmb->cpu_addr after folio_put to avoid unintentional UAF\nby future callers.","publishedAt":"2026-09-25T10:23:43.306Z","updatedAt":"2026-10-19T09:12:29.352Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"121fb75414ab8debafd548bded9d888cd5a8f165","status":"affected","lessThan":"90f6f5cb331af52b14c0f309fb27dc243e8e2982","versionType":"git"},{"version":"83781384a96b95e2b6403d3c8a002b2c89031770","status":"affected","lessThan":"890e2ef726904d1d8328e4b9f5090eeb8761b9d1","versionType":"git"},{"version":"83781384a96b95e2b6403d3c8a002b2c89031770","status":"affected","lessThan":"eebb6a9017b55ac05be770cf7b89f9da49505ae7","versionType":"git"},{"version":"83781384a96b95e2b6403d3c8a002b2c89031770","status":"affected","lessThan":"60983356fab0c1171c5cb1b56a36349ebadc608e","versionType":"git"},{"version":"83781384a96b95e2b6403d3c8a002b2c89031770","status":"affected","lessThan":"907a56ab3eb8a58500a58daa76087f17bb2b6826","versionType":"git"},{"version":"f3e23edc4917f72139b805f208aeadf23376a0b5","status":"affected","versionType":"git"},{"version":"6.6.29","status":"affected","lessThan":"6.6.158","versionType":"semver"},{"version":"6.8.8","status":"affected","lessThan":"6.9","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/s390/net/ism_drv.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.9","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/s390/net/ism_drv.c"]}],"references":["https://git.kernel.org/stable/c/90f6f5cb331af52b14c0f309fb27dc243e8e2982","https://git.kernel.org/stable/c/890e2ef726904d1d8328e4b9f5090eeb8761b9d1","https://git.kernel.org/stable/c/eebb6a9017b55ac05be770cf7b89f9da49505ae7","https://git.kernel.org/stable/c/60983356fab0c1171c5cb1b56a36349ebadc608e","https://git.kernel.org/stable/c/907a56ab3eb8a58500a58daa76087f17bb2b6826"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98024.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98024","state":"PUBLISHED","datePublished":"2026-09-25T10:23:43.306Z","dateUpdated":"2026-10-19T09:12:29.352Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:19:56.070Z"},"containers":{"cna":{"title":"s390/ism: folio_put() after error","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/ism: folio_put() after error\n\ndmb->cpu_addr was allocated via folio_alloc(). Use folio_put() instead of\nkfree() in the error exit of ism_alloc_dmb() to avoid slab allocator\ncorruption.\n\nWhile at it, reset dmb->cpu_addr after folio_put to avoid unintentional UAF\nby future callers."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"121fb75414ab8debafd548bded9d888cd5a8f165","status":"affected","lessThan":"90f6f5cb331af52b14c0f309fb27dc243e8e2982","versionType":"git"},{"version":"83781384a96b95e2b6403d3c8a002b2c89031770","status":"affected","lessThan":"890e2ef726904d1d8328e4b9f5090eeb8761b9d1","versionType":"git"},{"version":"83781384a96b95e2b6403d3c8a002b2c89031770","status":"affected","lessThan":"eebb6a9017b55ac05be770cf7b89f9da49505ae7","versionType":"git"},{"version":"83781384a96b95e2b6403d3c8a002b2c89031770","status":"affected","lessThan":"60983356fab0c1171c5cb1b56a36349ebadc608e","versionType":"git"},{"version":"83781384a96b95e2b6403d3c8a002b2c89031770","status":"affected","lessThan":"907a56ab3eb8a58500a58daa76087f17bb2b6826","versionType":"git"},{"version":"f3e23edc4917f72139b805f208aeadf23376a0b5","status":"affected","versionType":"git"},{"version":"6.6.29","status":"affected","lessThan":"6.6.158","versionType":"semver"},{"version":"6.8.8","status":"affected","lessThan":"6.9","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/s390/net/ism_drv.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.9","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/s390/net/ism_drv.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/90f6f5cb331af52b14c0f309fb27dc243e8e2982"},{"url":"https://git.kernel.org/stable/c/890e2ef726904d1d8328e4b9f5090eeb8761b9d1"},{"url":"https://git.kernel.org/stable/c/eebb6a9017b55ac05be770cf7b89f9da49505ae7"},{"url":"https://git.kernel.org/stable/c/60983356fab0c1171c5cb1b56a36349ebadc608e"},{"url":"https://git.kernel.org/stable/c/907a56ab3eb8a58500a58daa76087f17bb2b6826"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:12:29.352Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.29","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8.8"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}