{"dataType": "CVE_RECORD", "dataVersion": "5.1", "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": "2024-11-04T14:53:35.084Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T14:53:35.084Z"}, "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": "4af5f2e03013", "lessThan": "4e9b3ec84dc9", "status": "affected", "versionType": "git"}, {"version": "4af5f2e03013", "lessThan": "879947f4180b", "status": "affected", "versionType": "git"}, {"version": "4af5f2e03013", "lessThan": "56bd7901b5e9", "status": "affected", "versionType": "git"}, {"version": "4af5f2e03013", "lessThan": "327462725b0f", "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"}]}], "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-9e1c9544281a"}}, "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"]}]}]}}

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{"cveTags": [], "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."}, {"lang": "es", "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: nbd: corrija uaf en nbd_open Commit 4af5f2e03013 (\"nbd: use blk_mq_alloc_disk y blk_cleanup_disk\") limpia el disco mediante blk_cleanup_disk() y no configurar\u00e1 disk->private_data como NULL como antes. UAF puede activarse en nbd_open() si alguien intenta abrir el dispositivo nbd justo despu\u00e9s de nbd_put() ya que nbd ha estado libre en nbd_dev_remove(). Solucione este problema implementando ->free_disk y datos privados gratuitos en \u00e9l."}], "id": "CVE-2023-52837", "lastModified": "2024-05-21T16:53:56.550", "metrics": {}, "published": "2024-05-21T16:15:21.170", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/327462725b0f759f093788dfbcb2f1fd132f956b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4e9b3ec84dc97909876641dad14e0a2300d6c2a3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/56bd7901b5e9dbc9112036ea615ebcba1565fafe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/879947f4180bc6e83af64eb0515e0cf57fce15db"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: nbd: fix uaf in nbd_open", "id": "2282637", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282637"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnbd: fix uaf in nbd_open\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().\nFix this by implementing ->free_disk and free private data in it."], "name": "CVE-2023-52837", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52837\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52837\nhttps://lore.kernel.org/linux-cve-announce/2024052110-CVE-2023-52837-6490@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 6.1.63, kernel 6.5.12, kernel 6.6.2, kernel 6.7"}