{"id":"CVE-2026-89575","state":"PUBLISHED","title":"dm raid1: reserve space for NUL-terminator in build_constructor_string()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm raid1: reserve space for NUL-terminator in build_constructor_string()\n\nReserve space for the termination NUL after the maximum 20 decimal\ndigits of a long long value to avoid buffer overflow in sprintf().","publishedAt":"2026-09-11T19:44:43.139Z","updatedAt":"2026-10-19T08:49:08.414Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"35ba81c93fe7392c973af9881640180490e76f34","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"1fcc9f9f35653c5ee1a8b144ec96ff3fc48532f7","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"7b035983b895db3ae01d9855963d42541db42125","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"01a0276706c7b6fb758a8e2ff9cf221a3dfcae97","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"0a3657ebd6b517b60cdc5123894047616974e25b","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"644140527ae494cedf3b5c0ecd16287deaea7a66","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"f79b53ca3a68a46c6fc3b30b148d1dfb1b33ea8b","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"73c37fe54cd056d07461b142ab0b8b81e1ef6ad8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-log-userspace-base.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.31","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.31","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.109","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","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/md/dm-log-userspace-base.c"]}],"references":["https://git.kernel.org/stable/c/35ba81c93fe7392c973af9881640180490e76f34","https://git.kernel.org/stable/c/1fcc9f9f35653c5ee1a8b144ec96ff3fc48532f7","https://git.kernel.org/stable/c/7b035983b895db3ae01d9855963d42541db42125","https://git.kernel.org/stable/c/01a0276706c7b6fb758a8e2ff9cf221a3dfcae97","https://git.kernel.org/stable/c/0a3657ebd6b517b60cdc5123894047616974e25b","https://git.kernel.org/stable/c/644140527ae494cedf3b5c0ecd16287deaea7a66","https://git.kernel.org/stable/c/f79b53ca3a68a46c6fc3b30b148d1dfb1b33ea8b","https://git.kernel.org/stable/c/73c37fe54cd056d07461b142ab0b8b81e1ef6ad8"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89575.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89575","state":"PUBLISHED","datePublished":"2026-09-11T19:44:43.139Z","dateUpdated":"2026-10-19T08:49:08.414Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.727Z"},"containers":{"cna":{"title":"dm raid1: reserve space for NUL-terminator in build_constructor_string()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm raid1: reserve space for NUL-terminator in build_constructor_string()\n\nReserve space for the termination NUL after the maximum 20 decimal\ndigits of a long long value to avoid buffer overflow in sprintf()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"35ba81c93fe7392c973af9881640180490e76f34","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"1fcc9f9f35653c5ee1a8b144ec96ff3fc48532f7","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"7b035983b895db3ae01d9855963d42541db42125","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"01a0276706c7b6fb758a8e2ff9cf221a3dfcae97","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"0a3657ebd6b517b60cdc5123894047616974e25b","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"644140527ae494cedf3b5c0ecd16287deaea7a66","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"f79b53ca3a68a46c6fc3b30b148d1dfb1b33ea8b","versionType":"git"},{"version":"f5db4af466e2dca0fe822019812d586ca910b00c","status":"affected","lessThan":"73c37fe54cd056d07461b142ab0b8b81e1ef6ad8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-log-userspace-base.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.31","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.31","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.109","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","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/md/dm-log-userspace-base.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/35ba81c93fe7392c973af9881640180490e76f34"},{"url":"https://git.kernel.org/stable/c/1fcc9f9f35653c5ee1a8b144ec96ff3fc48532f7"},{"url":"https://git.kernel.org/stable/c/7b035983b895db3ae01d9855963d42541db42125"},{"url":"https://git.kernel.org/stable/c/01a0276706c7b6fb758a8e2ff9cf221a3dfcae97"},{"url":"https://git.kernel.org/stable/c/0a3657ebd6b517b60cdc5123894047616974e25b"},{"url":"https://git.kernel.org/stable/c/644140527ae494cedf3b5c0ecd16287deaea7a66"},{"url":"https://git.kernel.org/stable/c/f79b53ca3a68a46c6fc3b30b148d1dfb1b33ea8b"},{"url":"https://git.kernel.org/stable/c/73c37fe54cd056d07461b142ab0b8b81e1ef6ad8"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:49:08.414Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.12.109"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.18.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"7.2.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}