{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-48846", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-16T11:38:08.911Z", "datePublished": "2024-07-16T12:25:15.140Z", "dateUpdated": "2026-05-11T18:48:16.774Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:48:16.774Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: release rq qos structures for queue without disk\n\nblkcg_init_queue() may add rq qos structures to request queue, previously\nblk_cleanup_queue() calls rq_qos_exit() to release them, but commit\n8e141f9eb803 (\"block: drain file system I/O on del_gendisk\")\nmoves rq_qos_exit() into del_gendisk(), so memory leak is caused\nbecause queues may not have disk, such as un-present scsi luns, nvme\nadmin queue, ...\n\nFixes the issue by adding rq_qos_exit() to blk_cleanup_queue() back.\n\nBTW, v5.18 won't need this patch any more since we move\nblkcg_init_queue()/blkcg_exit_queue() into disk allocation/release\nhandler, and patches have been in for-5.18/block." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "block/blk-core.c" ], "versions": [ { "version": "8e141f9eb803e209714a80aa6ec073893f94c526", "lessThan": "d4ad8736ac982111bb0be8306bf19c8207f6600e", "status": "affected", "versionType": "git" }, { "version": "8e141f9eb803e209714a80aa6ec073893f94c526", "lessThan": "60c2c8e2ef3a3ec79de8cbc80a06ca0c21df8c29", "status": "affected", "versionType": "git" }, { "version": "8e141f9eb803e209714a80aa6ec073893f94c526", "lessThan": "daaca3522a8e67c46e39ef09c1d542e866f85f3b", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "block/blk-core.c" ], "versions": [ { "version": "5.15", "status": "affected" }, { "version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.31", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16.17", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.17", "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": "5.15", "versionEndExcluding": "5.15.31" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "5.16.17" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "5.17" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/d4ad8736ac982111bb0be8306bf19c8207f6600e" }, { "url": "https://git.kernel.org/stable/c/60c2c8e2ef3a3ec79de8cbc80a06ca0c21df8c29" }, { "url": "https://git.kernel.org/stable/c/daaca3522a8e67c46e39ef09c1d542e866f85f3b" } ], "title": "block: release rq qos structures for queue without disk", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T15:25:01.630Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/d4ad8736ac982111bb0be8306bf19c8207f6600e", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/60c2c8e2ef3a3ec79de8cbc80a06ca0c21df8c29", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/daaca3522a8e67c46e39ef09c1d542e866f85f3b", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2022-48846", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T16:56:38.225290Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:34:09.167Z" } } ] } }