{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-53167","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-11-19T17:17:25.005Z","datePublished":"2024-12-27T13:49:13.201Z","dateUpdated":"2025-05-04T09:54:43.437Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:54:43.437Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfs/blocklayout: Don't attempt unregister for invalid block device\n\nSince commit d869da91cccb (\"nfs/blocklayout: Fix premature PR key\nunregistration\") an unmount of a pNFS SCSI layout-enabled NFS may\ndereference a NULL block_device in:\n\n  bl_unregister_scsi+0x16/0xe0 [blocklayoutdriver]\n  bl_free_device+0x70/0x80 [blocklayoutdriver]\n  bl_free_deviceid_node+0x12/0x30 [blocklayoutdriver]\n  nfs4_put_deviceid_node+0x60/0xc0 [nfsv4]\n  nfs4_deviceid_purge_client+0x132/0x190 [nfsv4]\n  unset_pnfs_layoutdriver+0x59/0x60 [nfsv4]\n  nfs4_destroy_server+0x36/0x70 [nfsv4]\n  nfs_free_server+0x23/0xe0 [nfs]\n  deactivate_locked_super+0x30/0xb0\n  cleanup_mnt+0xba/0x150\n  task_work_run+0x59/0x90\n  syscall_exit_to_user_mode+0x217/0x220\n  do_syscall_64+0x8e/0x160\n\nThis happens because even though we were able to create the\nnfs4_deviceid_node, the lookup for the device was unable to attach the\nblock device to the pnfs_block_dev.\n\nIf we never found a block device to register, we can avoid this case with\nthe PNFS_BDEV_REGISTERED flag.  Move the deref behind the test for the\nflag."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/blocklayout/dev.c"],"versions":[{"version":"d869da91cccb90320e101a2758f1e2b3803ade5c","lessThan":"3402704a424f34bbcca7f4a4503859357f422217","status":"affected","versionType":"git"},{"version":"d869da91cccb90320e101a2758f1e2b3803ade5c","lessThan":"faa4bacfaeed827a4ca8cb8529a3ce65a9e8ef46","status":"affected","versionType":"git"},{"version":"d869da91cccb90320e101a2758f1e2b3803ade5c","lessThan":"3a4ce14d9a6b868e0787e4582420b721c04ee41e","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/blocklayout/dev.c"],"versions":[{"version":"6.11","status":"affected"},{"version":"0","lessThan":"6.11","status":"unaffected","versionType":"semver"},{"version":"6.11.11","lessThanOrEqual":"6.11.*","status":"unaffected","versionType":"semver"},{"version":"6.12.2","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.13","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.11.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3402704a424f34bbcca7f4a4503859357f422217"},{"url":"https://git.kernel.org/stable/c/faa4bacfaeed827a4ca8cb8529a3ce65a9e8ef46"},{"url":"https://git.kernel.org/stable/c/3a4ce14d9a6b868e0787e4582420b721c04ee41e"}],"title":"nfs/blocklayout: Don't attempt unregister for invalid block device","x_generator":{"engine":"bippy-1.2.0"}}}}