{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-52837", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T15:19:24.253Z", "datePublished": "2024-05-21T15:31:37.859Z", "dateUpdated": "2026-05-11T19:33:58.432Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:33:58.432Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnbd: fix uaf in nbd_open\n\nCommit 4af5f2e03013 (\"nbd: use blk_mq_alloc_disk and\nblk_cleanup_disk\") cleans up disk by blk_cleanup_disk() and it won't set\ndisk->private_data as NULL as before. UAF may be triggered in nbd_open()\nif someone tries to open nbd device right after nbd_put() since nbd has\nbeen free in nbd_dev_remove().\n\nFix this by implementing ->free_disk and free private data in it." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/block/nbd.c" ], "versions": [ { "version": "4af5f2e0301311f88c420fcfc5f3c8611ade20ac", "lessThan": "4e9b3ec84dc97909876641dad14e0a2300d6c2a3", "status": "affected", "versionType": "git" }, { "version": "4af5f2e0301311f88c420fcfc5f3c8611ade20ac", "lessThan": "879947f4180bc6e83af64eb0515e0cf57fce15db", "status": "affected", "versionType": "git" }, { "version": "4af5f2e0301311f88c420fcfc5f3c8611ade20ac", "lessThan": "56bd7901b5e9dbc9112036ea615ebcba1565fafe", "status": "affected", "versionType": "git" }, { "version": "4af5f2e0301311f88c420fcfc5f3c8611ade20ac", "lessThan": "327462725b0f759f093788dfbcb2f1fd132f956b", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/block/nbd.c" ], "versions": [ { "version": "5.14", "status": "affected" }, { "version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.63", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.5.12", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.2", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.7", "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": "5.14", "versionEndExcluding": "6.1.63" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.5.12" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.6.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.7" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/4e9b3ec84dc97909876641dad14e0a2300d6c2a3" }, { "url": "https://git.kernel.org/stable/c/879947f4180bc6e83af64eb0515e0cf57fce15db" }, { "url": "https://git.kernel.org/stable/c/56bd7901b5e9dbc9112036ea615ebcba1565fafe" }, { "url": "https://git.kernel.org/stable/c/327462725b0f759f093788dfbcb2f1fd132f956b" } ], "title": "nbd: fix uaf in nbd_open", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2023-52837", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-05-21T18:01:48.631616Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:23:20.566Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:11:36.041Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/4e9b3ec84dc97909876641dad14e0a2300d6c2a3", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/879947f4180bc6e83af64eb0515e0cf57fce15db", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/56bd7901b5e9dbc9112036ea615ebcba1565fafe", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/327462725b0f759f093788dfbcb2f1fd132f956b", "tags": [ "x_transferred" ] } ] } ] } }