{"id":"CVE-2026-72106","state":"PUBLISHED","title":"dm-ioctl: fix a possible overflow in list_version_get_info","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm-ioctl: fix a possible overflow in list_version_get_info\n\nsizeof(tt->version) is 12 bytes, but the code writes 16 bytes into the\noutput buffer - info->vers->version[0], info->vers->version[1],\ninfo->vers->version[2] and info->vers->next. This can cause buffer\noverflow.\n\nFix this buffer overflow by replacing \"sizeof(tt->version)\" with\n\"sizeof(struct dm_target_versions)\".","publishedAt":"2026-08-15T05:52:48.845Z","updatedAt":"2026-10-30T12:28:48.016Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"3cba74d3fb2c1890ffae019301227d1366f74907","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"29536a9ff146d9bbd618959857ed2e691cda1d21","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"e0f5842c4e2a7dbefb52a2dc6711789bc6963e55","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"d61c12573ed9768690fdcb2bc38846a1bcb01358","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"df50c24c6447c18886ed126d3d81cc7e155ea8b6","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"76c6f845dc0c614304a6e6ee619b552f97cf24b3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-ioctl.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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-ioctl.c"]}],"references":["https://git.kernel.org/stable/c/3cba74d3fb2c1890ffae019301227d1366f74907","https://git.kernel.org/stable/c/29536a9ff146d9bbd618959857ed2e691cda1d21","https://git.kernel.org/stable/c/e0f5842c4e2a7dbefb52a2dc6711789bc6963e55","https://git.kernel.org/stable/c/d61c12573ed9768690fdcb2bc38846a1bcb01358","https://git.kernel.org/stable/c/df50c24c6447c18886ed126d3d81cc7e155ea8b6","https://git.kernel.org/stable/c/76c6f845dc0c614304a6e6ee619b552f97cf24b3"],"weaknesses":[],"ingestedAt":"2026-10-30T12:46:06.359Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72106.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72106","state":"PUBLISHED","datePublished":"2026-08-15T05:52:48.845Z","dateUpdated":"2026-10-30T12:28:48.016Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.906Z"},"containers":{"cna":{"title":"dm-ioctl: fix a possible overflow in list_version_get_info","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm-ioctl: fix a possible overflow in list_version_get_info\n\nsizeof(tt->version) is 12 bytes, but the code writes 16 bytes into the\noutput buffer - info->vers->version[0], info->vers->version[1],\ninfo->vers->version[2] and info->vers->next. This can cause buffer\noverflow.\n\nFix this buffer overflow by replacing \"sizeof(tt->version)\" with\n\"sizeof(struct dm_target_versions)\"."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"3cba74d3fb2c1890ffae019301227d1366f74907","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"29536a9ff146d9bbd618959857ed2e691cda1d21","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"e0f5842c4e2a7dbefb52a2dc6711789bc6963e55","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"d61c12573ed9768690fdcb2bc38846a1bcb01358","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"df50c24c6447c18886ed126d3d81cc7e155ea8b6","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"76c6f845dc0c614304a6e6ee619b552f97cf24b3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-ioctl.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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-ioctl.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3cba74d3fb2c1890ffae019301227d1366f74907"},{"url":"https://git.kernel.org/stable/c/29536a9ff146d9bbd618959857ed2e691cda1d21"},{"url":"https://git.kernel.org/stable/c/e0f5842c4e2a7dbefb52a2dc6711789bc6963e55"},{"url":"https://git.kernel.org/stable/c/d61c12573ed9768690fdcb2bc38846a1bcb01358"},{"url":"https://git.kernel.org/stable/c/df50c24c6447c18886ed126d3d81cc7e155ea8b6"},{"url":"https://git.kernel.org/stable/c/76c6f845dc0c614304a6e6ee619b552f97cf24b3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:28:48.016Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}