{"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": "2025-01-20T06:20:22.536Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-01-20T06:20:22.536Z"}, "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"}]}], "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-5f407fcff5a0"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2024-53167", "lastModified": "2024-12-27T14:15:23.820", "metrics": {}, "published": "2024-12-27T14:15:23.820", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3402704a424f34bbcca7f4a4503859357f422217"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3a4ce14d9a6b868e0787e4582420b721c04ee41e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/faa4bacfaeed827a4ca8cb8529a3ce65a9e8ef46"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: nfs/blocklayout: Don't attempt unregister for invalid block device", "id": "2334369", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334369"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnfs/blocklayout: Don't attempt unregister for invalid block device\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:\nbl_unregister_scsi+0x16/0xe0 [blocklayoutdriver]\nbl_free_device+0x70/0x80 [blocklayoutdriver]\nbl_free_deviceid_node+0x12/0x30 [blocklayoutdriver]\nnfs4_put_deviceid_node+0x60/0xc0 [nfsv4]\nnfs4_deviceid_purge_client+0x132/0x190 [nfsv4]\nunset_pnfs_layoutdriver+0x59/0x60 [nfsv4]\nnfs4_destroy_server+0x36/0x70 [nfsv4]\nnfs_free_server+0x23/0xe0 [nfs]\ndeactivate_locked_super+0x30/0xb0\ncleanup_mnt+0xba/0x150\ntask_work_run+0x59/0x90\nsyscall_exit_to_user_mode+0x217/0x220\ndo_syscall_64+0x8e/0x160\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.\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."], "name": "CVE-2024-53167", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-12-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-53167\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-53167\nhttps://lore.kernel.org/linux-cve-announce/2024122715-CVE-2024-53167-aea5@gregkh/T"], "threat_severity": "Moderate"}