{"id":"CVE-2024-50153","state":"PUBLISHED","title":"scsi: target: core: Fix null-ptr-deref in target_alloc_device()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: core: Fix null-ptr-deref in target_alloc_device()\n\nThere is a null-ptr-deref issue reported by KASAN:\n\nBUG: KASAN: null-ptr-deref in target_alloc_device+0xbc4/0xbe0 [target_core_mod]\n...\n kasan_report+0xb9/0xf0\n target_alloc_device+0xbc4/0xbe0 [target_core_mod]\n core_dev_setup_virtual_lun0+0xef/0x1f0 [target_core_mod]\n target_core_init_configfs+0x205/0x420 [target_core_mod]\n do_one_initcall+0xdd/0x4e0\n...\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nIn target_alloc_device(), if allocing memory for dev queues fails, then\ndev will be freed by dev->transport->free_device(), but dev->transport\nis not initialized at that time, which will lead to a null pointer\nreference problem.\n\nFixing this bug by freeing dev with hba->backend->ops->free_device().","publishedAt":"2024-11-07T09:31:29.791Z","updatedAt":"2026-10-15T00:57:17.321Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"008b936bbde3e87a611b3828a0d5d2a4f99026a0","status":"affected","lessThan":"8c1e6717f60d31f8af3937c23c4f1498529584e1","versionType":"git"},{"version":"1526d9f10c6184031e42afad0adbdde1213e8ad1","status":"affected","lessThan":"39e02fa90323243187c91bb3e8f2f5f6a9aacfc7","versionType":"git"},{"version":"1526d9f10c6184031e42afad0adbdde1213e8ad1","status":"affected","lessThan":"895ab729425ef9bf3b6d2f8d0853abe64896f314","versionType":"git"},{"version":"1526d9f10c6184031e42afad0adbdde1213e8ad1","status":"affected","lessThan":"b80e9bc85bd9af378e7eac83e15dd129557bbdb6","versionType":"git"},{"version":"1526d9f10c6184031e42afad0adbdde1213e8ad1","status":"affected","lessThan":"14a6a2adb440e4ae97bee73b2360946bd033dadd","versionType":"git"},{"version":"1526d9f10c6184031e42afad0adbdde1213e8ad1","status":"affected","lessThan":"fca6caeb4a61d240f031914413fcc69534f6dc03","versionType":"git"},{"version":"5.10.180","status":"affected","lessThan":"5.10.229","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/target/target_core_device.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.10.229","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.170","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.115","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.59","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.11.6","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/target/target_core_device.c"]}],"references":["https://git.kernel.org/stable/c/8c1e6717f60d31f8af3937c23c4f1498529584e1","https://git.kernel.org/stable/c/39e02fa90323243187c91bb3e8f2f5f6a9aacfc7","https://git.kernel.org/stable/c/895ab729425ef9bf3b6d2f8d0853abe64896f314","https://git.kernel.org/stable/c/b80e9bc85bd9af378e7eac83e15dd129557bbdb6","https://git.kernel.org/stable/c/14a6a2adb440e4ae97bee73b2360946bd033dadd","https://git.kernel.org/stable/c/fca6caeb4a61d240f031914413fcc69534f6dc03","https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","https://cert-portal.siemens.com/productcert/html/ssa-265688.html"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/50xxx/CVE-2024-50153.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-50153","state":"PUBLISHED","datePublished":"2024-11-07T09:31:29.791Z","dateUpdated":"2026-10-15T00:57:17.321Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-10-21T19:36:19.960Z"},"containers":{"cna":{"title":"scsi: target: core: Fix null-ptr-deref in target_alloc_device()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: core: Fix null-ptr-deref in target_alloc_device()\n\nThere is a null-ptr-deref issue reported by KASAN:\n\nBUG: KASAN: null-ptr-deref in target_alloc_device+0xbc4/0xbe0 [target_core_mod]\n...\n kasan_report+0xb9/0xf0\n target_alloc_device+0xbc4/0xbe0 [target_core_mod]\n core_dev_setup_virtual_lun0+0xef/0x1f0 [target_core_mod]\n target_core_init_configfs+0x205/0x420 [target_core_mod]\n do_one_initcall+0xdd/0x4e0\n...\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nIn target_alloc_device(), if allocing memory for dev queues fails, then\ndev will be freed by dev->transport->free_device(), but dev->transport\nis not initialized at that time, which will lead to a null pointer\nreference problem.\n\nFixing this bug by freeing dev with hba->backend->ops->free_device()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"008b936bbde3e87a611b3828a0d5d2a4f99026a0","status":"affected","lessThan":"8c1e6717f60d31f8af3937c23c4f1498529584e1","versionType":"git"},{"version":"1526d9f10c6184031e42afad0adbdde1213e8ad1","status":"affected","lessThan":"39e02fa90323243187c91bb3e8f2f5f6a9aacfc7","versionType":"git"},{"version":"1526d9f10c6184031e42afad0adbdde1213e8ad1","status":"affected","lessThan":"895ab729425ef9bf3b6d2f8d0853abe64896f314","versionType":"git"},{"version":"1526d9f10c6184031e42afad0adbdde1213e8ad1","status":"affected","lessThan":"b80e9bc85bd9af378e7eac83e15dd129557bbdb6","versionType":"git"},{"version":"1526d9f10c6184031e42afad0adbdde1213e8ad1","status":"affected","lessThan":"14a6a2adb440e4ae97bee73b2360946bd033dadd","versionType":"git"},{"version":"1526d9f10c6184031e42afad0adbdde1213e8ad1","status":"affected","lessThan":"fca6caeb4a61d240f031914413fcc69534f6dc03","versionType":"git"},{"version":"5.10.180","status":"affected","lessThan":"5.10.229","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/target/target_core_device.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.10.229","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.170","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.115","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.59","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.11.6","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/target/target_core_device.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/8c1e6717f60d31f8af3937c23c4f1498529584e1"},{"url":"https://git.kernel.org/stable/c/39e02fa90323243187c91bb3e8f2f5f6a9aacfc7"},{"url":"https://git.kernel.org/stable/c/895ab729425ef9bf3b6d2f8d0853abe64896f314"},{"url":"https://git.kernel.org/stable/c/b80e9bc85bd9af378e7eac83e15dd129557bbdb6"},{"url":"https://git.kernel.org/stable/c/14a6a2adb440e4ae97bee73b2360946bd033dadd"},{"url":"https://git.kernel.org/stable/c/fca6caeb4a61d240f031914413fcc69534f6dc03"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:54:37.481Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.180","versionEndExcluding":"5.10.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.170"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.1.115"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.6.59"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.11.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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