{"id":"CVE-2026-23087","state":"PUBLISHED","title":"scsi: xen: scsiback: Fix potential memory leak in scsiback_remove()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: xen: scsiback: Fix potential memory leak in scsiback_remove()\n\nMemory allocated for struct vscsiblk_info in scsiback_probe() is not\nfreed in scsiback_remove() leading to potential memory leaks on remove,\nas well as in the scsiback_probe() error paths. Fix that by freeing it\nin scsiback_remove().","publishedAt":"2026-02-04T16:08:10.941Z","updatedAt":"2026-10-15T01:12:56.045Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d9d660f6e562a47b4065eeb7e538910b0471b988","status":"affected","lessThan":"a8bb3ec8d85951a56af0a72d93ccbc2aee42eef9","versionType":"git"},{"version":"d9d660f6e562a47b4065eeb7e538910b0471b988","status":"affected","lessThan":"427b0fb30ddec3bad05dcd73b00718f98c7026d2","versionType":"git"},{"version":"d9d660f6e562a47b4065eeb7e538910b0471b988","status":"affected","lessThan":"4a975c72429b050c234405668b742cdecc11548e","versionType":"git"},{"version":"d9d660f6e562a47b4065eeb7e538910b0471b988","status":"affected","lessThan":"f86264ec0e2b102fcd49bf3e4f32fee669d482fc","versionType":"git"},{"version":"d9d660f6e562a47b4065eeb7e538910b0471b988","status":"affected","lessThan":"32e52b56056daf0f0881fd9254706acf25b4be97","versionType":"git"},{"version":"d9d660f6e562a47b4065eeb7e538910b0471b988","status":"affected","lessThan":"24c441f0e24da175d7912095663f526ac480dc4f","versionType":"git"},{"version":"d9d660f6e562a47b4065eeb7e538910b0471b988","status":"affected","lessThan":"901a5f309daba412e2a30364d7ec1492fa11c32c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/xen/xen-scsiback.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.18","versionType":"semver"},{"version":"5.10.249","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.199","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.162","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.122","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.68","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.8","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/xen/xen-scsiback.c"]}],"references":["https://git.kernel.org/stable/c/a8bb3ec8d85951a56af0a72d93ccbc2aee42eef9","https://git.kernel.org/stable/c/427b0fb30ddec3bad05dcd73b00718f98c7026d2","https://git.kernel.org/stable/c/4a975c72429b050c234405668b742cdecc11548e","https://git.kernel.org/stable/c/f86264ec0e2b102fcd49bf3e4f32fee669d482fc","https://git.kernel.org/stable/c/32e52b56056daf0f0881fd9254706acf25b4be97","https://git.kernel.org/stable/c/24c441f0e24da175d7912095663f526ac480dc4f","https://git.kernel.org/stable/c/901a5f309daba412e2a30364d7ec1492fa11c32c","https://cert-portal.siemens.com/productcert/html/ssa-019113.html","https://cert-portal.siemens.com/productcert/html/ssa-457936.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23087.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23087","state":"PUBLISHED","datePublished":"2026-02-04T16:08:10.941Z","dateUpdated":"2026-10-15T01:12:56.045Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.961Z"},"containers":{"cna":{"title":"scsi: xen: scsiback: Fix potential memory leak in scsiback_remove()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: xen: scsiback: Fix potential memory leak in scsiback_remove()\n\nMemory allocated for struct vscsiblk_info in scsiback_probe() is not\nfreed in scsiback_remove() leading to potential memory leaks on remove,\nas well as in the scsiback_probe() error paths. 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