CVE-2022-48697

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print_report.cold+0x36/0x1e2\n kasan_report+0xb9/0xf0\n __asan_load4+0x6b/0x80\n blk_mq_complete_request_remote+0xac/0x350\n nvme_loop_queue_response+0x1df/0x275 [nvme_loop]\n __nvmet_req_complete+0x132/0x4f0 [nvmet]\n nvmet_req_complete+0x15/0x40 [nvmet]\n nvmet_execute_io_connect+0x18a/0x1f0 [nvmet]\n nvme_loop_execute_work+0x20/0x30 [nvme_loop]\n process_one_work+0x56e/0xa70\n worker_thread+0x2d1/0x640\n kthread+0x183/0x1c0\n ret_from_fork+0x1f/0x30"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL"}, "scenarios": [{"lang": "en", "value": "AV:N - The bug is in nvmet core `__nvmet_req_complete()`, shared by all NVMe target transports including nvmet-tcp, which accepts and processes NVMe-oF commands from remote TCP peers.\nAC:L - This is a use-after-free in the request completion path that a remote client can drive via ordinary I/O and connect/teardown traffic; per guidance UAFs are AC:L unless the attacker cannot influence the triggering conditions.\nPR:N - In the most severe reasonable deployment (nvmet-tcp with allow_any_host and without DH-HMAC-CHAP), an unauthenticated remote client can connect and issue commands that reach the vulnerable completion path.\nUI:N - Exploitation requires no victim user action beyond the target already serving NVMe-oF; the attacker initiates the network connection and commands themselves.\nS:U - Impact is memory corruption within the target kernel's authority; this is not a VM/IOMMU/sandbox boundary escape.\nC:H - Use-after-free of the namespace reference around queue_response enables heap reuse and attacker-controlled object contents, which can be leveraged for arbitrary kernel memory disclosure.\nI:H - The same UAF provides a heap corruption primitive that can be shaped for arbitrary write or control-flow hijacking in the kernel.\nA:H - The UAF was observed as a KASAN fault in blk_mq completion and can cause kernel oops/panic even without full exploitation."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/nvme/target/core.c"], "versions": [{"version": "a07b4970f464f13640e28e16dad6cfa33647cc99", "lessThan": "17f121ca3ec6be0fb32d77c7f65362934a38cc8e", "status": "affected", "versionType": "git"}, {"version": "a07b4970f464f13640e28e16dad6cfa33647cc99", "lessThan": "8d66989b5f7bb28bba2f8e1e2ffc8bfef4a10717", "status": "affected", "versionType": "git"}, {"version": "a07b4970f464f13640e28e16dad6cfa33647cc99", "lessThan": "be01f1c988757b95f11f090a9f491365670a522b", "status": "affected", "versionType": "git"}, {"version": "a07b4970f464f13640e28e16dad6cfa33647cc99", "lessThan": "ebf46da50beb78066674354ad650606a467e33fa", "status": "affected", "versionType": "git"}, {"version": "a07b4970f464f13640e28e16dad6cfa33647cc99", "lessThan": "4484ce97a78171668c402e0c45db7f760aea8060", "status": "affected", "versionType": "git"}, {"version": "a07b4970f464f13640e28e16dad6cfa33647cc99", "lessThan": "6a02a61e81c231cc5c680c5dbf8665275147ac52", "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/nvme/target/core.c"], "versions": [{"version": "4.8", "status": "affected"}, {"version": "0", "lessThan": "4.8", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.260", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.213", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.143", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.68", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.9", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "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": "4.8", "versionEndExcluding": "4.19.260"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.4.213"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.10.143"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.15.68"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": 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"tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8d66989b5f7bb28bba2f8e1e2ffc8bfef4a10717", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/be01f1c988757b95f11f090a9f491365670a522b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ebf46da50beb78066674354ad650606a467e33fa", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/4484ce97a78171668c402e0c45db7f760aea8060", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6a02a61e81c231cc5c680c5dbf8665275147ac52", "tags": ["x_transferred"]}]}]}}

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escape.\nC:H - Use-after-free of the namespace reference around queue_response enables heap reuse and attacker-controlled object contents, which can be leveraged for arbitrary kernel memory disclosure.\nI:H - The same UAF provides a heap corruption primitive that can be shaped for arbitrary write or control-flow hijacking in the kernel.\nA:H - The UAF was observed as a KASAN fault in blk_mq completion and can cause kernel oops/panic even without full exploitation."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "a07b4970f464f13640e28e16dad6cfa33647cc99", "lessThan": "17f121ca3ec6be0fb32d77c7f65362934a38cc8e", "versionType": "git"}, {"status": "affected", "version": "a07b4970f464f13640e28e16dad6cfa33647cc99", "lessThan": "8d66989b5f7bb28bba2f8e1e2ffc8bfef4a10717", "versionType": "git"}, {"status": "affected", "version": 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Solucione la siguiente queja de use-after-free activada por blktests nvme/004: ERROR: KASAN: acceso a la memoria del usuario en blk_mq_complete_request_remote+0xac /0x350 Lectura de tama\u00f1o 4 en la direcci\u00f3n 0000607bd1835943 por tarea kworker/13:1/460 Cola de trabajo: nvmet-wq nvme_loop_execute_work [nvme_loop] Seguimiento de llamadas: show_stack+0x52/0x58 dump_stack_lvl+0x49/0x5e /0x1e2 informe_kasan+0xb9 /0xf0 __asan_load4+0x6b/0x80 blk_mq_complete_request_remote+0xac/0x350 nvme_loop_queue_response+0x1df/0x275 [nvme_loop] __nvmet_req_complete+0x132/0x4f0 [nvmet_req_complete+0x15/0x 40 [nvmet] nvmet_execute_io_connect+0x18a/0x1f0 [nvmet] nvme_loop_execute_work+0x20/0x30 [ nvme_loop] proceso_one_work+0x56e/0xa70 trabajador_thread+0x2d1/0x640 kthread+0x183/0x1c0 ret_from_fork+0x1f/0x30"}], "id": "CVE-2022-48697", "lastModified": "2026-08-04T10:17:16.450", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-48697", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-06-12T20:35:15.754942Z", "version": "2.0.3"}}]}, "published": "2024-05-03T16:15:08.363", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/17f121ca3ec6be0fb32d77c7f65362934a38cc8e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4484ce97a78171668c402e0c45db7f760aea8060"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6a02a61e81c231cc5c680c5dbf8665275147ac52"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8d66989b5f7bb28bba2f8e1e2ffc8bfef4a10717"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/be01f1c988757b95f11f090a9f491365670a522b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ebf46da50beb78066674354ad650606a467e33fa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/17f121ca3ec6be0fb32d77c7f65362934a38cc8e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4484ce97a78171668c402e0c45db7f760aea8060"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6a02a61e81c231cc5c680c5dbf8665275147ac52"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8d66989b5f7bb28bba2f8e1e2ffc8bfef4a10717"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/be01f1c988757b95f11f090a9f491365670a522b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ebf46da50beb78066674354ad650606a467e33fa"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: nvmet: fix a use-after-free", "id": "2278958", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2278958"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnvmet: fix a use-after-free\nFix the following use-after-free complaint triggered by blktests nvme/004:\nBUG: KASAN: user-memory-access in blk_mq_complete_request_remote+0xac/0x350\nRead of size 4 at addr 0000607bd1835943 by task kworker/13:1/460\nWorkqueue: nvmet-wq nvme_loop_execute_work [nvme_loop]\nCall Trace:\nshow_stack+0x52/0x58\ndump_stack_lvl+0x49/0x5e\nprint_report.cold+0x36/0x1e2\nkasan_report+0xb9/0xf0\n__asan_load4+0x6b/0x80\nblk_mq_complete_request_remote+0xac/0x350\nnvme_loop_queue_response+0x1df/0x275 [nvme_loop]\n__nvmet_req_complete+0x132/0x4f0 [nvmet]\nnvmet_req_complete+0x15/0x40 [nvmet]\nnvmet_execute_io_connect+0x18a/0x1f0 [nvmet]\nnvme_loop_execute_work+0x20/0x30 [nvme_loop]\nprocess_one_work+0x56e/0xa70\nworker_thread+0x2d1/0x640\nkthread+0x183/0x1c0\nret_from_fork+0x1f/0x30"], "name": "CVE-2022-48697", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "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": "2024-05-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-48697\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48697\nhttps://lore.kernel.org/linux-cve-announce/2024050348-CVE-2022-48697-1df4@gregkh/T"], "threat_severity": "Low"}

{}