{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49148", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.273Z", "datePublished": "2025-02-26T01:55:15.872Z", "dateUpdated": "2026-05-11T18:54:04.084Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:54:04.084Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwatch_queue: Free the page array when watch_queue is dismantled\n\nCommit 7ea1a0124b6d (\"watch_queue: Free the alloc bitmap when the\nwatch_queue is torn down\") took care of the bitmap, but not the page\narray.\n\n BUG: memory leak\n unreferenced object 0xffff88810d9bc140 (size 32):\n comm \"syz-executor335\", pid 3603, jiffies 4294946994 (age 12.840s)\n hex dump (first 32 bytes):\n 40 a7 40 04 00 ea ff ff 00 00 00 00 00 00 00 00 @.@.............\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n kmalloc_array include/linux/slab.h:621 [inline]\n kcalloc include/linux/slab.h:652 [inline]\n watch_queue_set_size+0x12f/0x2e0 kernel/watch_queue.c:251\n pipe_ioctl+0x82/0x140 fs/pipe.c:632\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:874 [inline]\n __se_sys_ioctl fs/ioctl.c:860 [inline]\n __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:860\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "kernel/watch_queue.c" ], "versions": [ { "version": "c73be61cede5882f9605a852414db559c0ebedfd", "lessThan": "7169f60110915c8b53bffd43741fa020a75eb87a", "status": "affected", "versionType": "git" }, { "version": "c73be61cede5882f9605a852414db559c0ebedfd", "lessThan": "4913daecd04addb41bc96a9175a885e1c19862a8", "status": "affected", "versionType": "git" }, { "version": "c73be61cede5882f9605a852414db559c0ebedfd", "lessThan": "3963a5d1ff75585bddf0c3a918566a6be09d7520", "status": "affected", "versionType": "git" }, { "version": "c73be61cede5882f9605a852414db559c0ebedfd", "lessThan": "375cd2536494cfbcdda84ae8b3e35bf19d0250b9", "status": "affected", "versionType": "git" }, { "version": "c73be61cede5882f9605a852414db559c0ebedfd", "lessThan": "b490207017ba237d97b735b2aa66dc241ccd18f5", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "kernel/watch_queue.c" ], "versions": [ { "version": "5.8", "status": "affected" }, { "version": "0", "lessThan": "5.8", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.110", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.33", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16.19", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.17.2", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.18", "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": "5.8", "versionEndExcluding": "5.10.110" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.15.33" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.16.19" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.17.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.18" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/7169f60110915c8b53bffd43741fa020a75eb87a" }, { "url": "https://git.kernel.org/stable/c/4913daecd04addb41bc96a9175a885e1c19862a8" }, { "url": "https://git.kernel.org/stable/c/3963a5d1ff75585bddf0c3a918566a6be09d7520" }, { "url": "https://git.kernel.org/stable/c/375cd2536494cfbcdda84ae8b3e35bf19d0250b9" }, { "url": "https://git.kernel.org/stable/c/b490207017ba237d97b735b2aa66dc241ccd18f5" } ], "title": "watch_queue: Free the page array when watch_queue is dismantled", "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-2022-49148", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2025-10-01T19:47:50.624778Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-401", "description": "CWE-401 Missing Release of Memory after Effective Lifetime" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T19:57:01.488Z" } } ] } }