{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49492", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.585Z", "datePublished": "2025-02-26T02:13:28.820Z", "dateUpdated": "2026-05-11T19:00:56.954Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:00:56.954Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-pci: fix a NULL pointer dereference in nvme_alloc_admin_tags\n\nIn nvme_alloc_admin_tags, the admin_q can be set to an error (typically\n-ENOMEM) if the blk_mq_init_queue call fails to set up the queue, which\nis checked immediately after the call. However, when we return the error\nmessage up the stack, to nvme_reset_work the error takes us to\nnvme_remove_dead_ctrl()\n nvme_dev_disable()\n nvme_suspend_queue(&dev->queues[0]).\n\nHere, we only check that the admin_q is non-NULL, rather than not\nan error or NULL, and begin quiescing a queue that never existed, leading\nto bad / NULL pointer dereference." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/nvme/host/pci.c" ], "versions": [ { "version": "35b489d32fcc37e8735f41aa794b24cf9d1e74f5", "lessThan": "8321b17789f614414206af07e17ce4751c95dc76", "status": "affected", "versionType": "git" }, { "version": "35b489d32fcc37e8735f41aa794b24cf9d1e74f5", "lessThan": "9e649471b396fa0139d53919354ce1eace9b9a24", "status": "affected", "versionType": "git" }, { "version": "35b489d32fcc37e8735f41aa794b24cf9d1e74f5", "lessThan": "8da2b7bdb47e94bbc4062a3978c708926bcb022c", "status": "affected", "versionType": "git" }, { "version": "35b489d32fcc37e8735f41aa794b24cf9d1e74f5", "lessThan": "f76729662650cd7bc8f8194e057af381370349a7", "status": "affected", "versionType": "git" }, { "version": "35b489d32fcc37e8735f41aa794b24cf9d1e74f5", "lessThan": "af98940dd33c9f9e1beb4f71c0a39260100e2a65", "status": "affected", "versionType": "git" }, { "version": "35b489d32fcc37e8735f41aa794b24cf9d1e74f5", "lessThan": "906c81dba8ee8057523859b5e1a2479e9fd34860", "status": "affected", "versionType": "git" }, { "version": "35b489d32fcc37e8735f41aa794b24cf9d1e74f5", "lessThan": "7a28556082d1fbcbc599baf1c24252dfc73efefc", "status": "affected", "versionType": "git" }, { "version": "35b489d32fcc37e8735f41aa794b24cf9d1e74f5", "lessThan": "54a4c1e47d1b2585e74920399455bd9abbfb2bd7", "status": "affected", "versionType": "git" }, { "version": "35b489d32fcc37e8735f41aa794b24cf9d1e74f5", "lessThan": "da42761181627e9bdc37d18368b827948a583929", "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/host/pci.c" ], "versions": [ { "version": "3.19", "status": "affected" }, { "version": "0", "lessThan": "3.19", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.318", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.283", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.247", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.198", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.121", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.46", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.17.14", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.18.3", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.19", "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": "3.19", "versionEndExcluding": "4.9.318" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "4.14.283" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "4.19.247" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "5.4.198" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "5.10.121" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "5.15.46" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "5.17.14" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "5.18.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "5.19" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/8321b17789f614414206af07e17ce4751c95dc76" }, { "url": "https://git.kernel.org/stable/c/9e649471b396fa0139d53919354ce1eace9b9a24" }, { "url": "https://git.kernel.org/stable/c/8da2b7bdb47e94bbc4062a3978c708926bcb022c" }, { "url": "https://git.kernel.org/stable/c/f76729662650cd7bc8f8194e057af381370349a7" }, { "url": "https://git.kernel.org/stable/c/af98940dd33c9f9e1beb4f71c0a39260100e2a65" }, { "url": "https://git.kernel.org/stable/c/906c81dba8ee8057523859b5e1a2479e9fd34860" }, { "url": "https://git.kernel.org/stable/c/7a28556082d1fbcbc599baf1c24252dfc73efefc" }, { "url": "https://git.kernel.org/stable/c/54a4c1e47d1b2585e74920399455bd9abbfb2bd7" }, { "url": "https://git.kernel.org/stable/c/da42761181627e9bdc37d18368b827948a583929" } ], "title": "nvme-pci: fix a NULL pointer dereference in nvme_alloc_admin_tags", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2022-49492", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2025-10-01T19:38:56.150719Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T19:46:43.988Z" } } ] } }