{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49927", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-05-01T14:05:17.253Z", "datePublished": "2025-05-01T14:11:05.404Z", "dateUpdated": "2026-05-11T19:09:24.289Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:09:24.289Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfs4: Fix kmemleak when allocate slot failed\n\nIf one of the slot allocate failed, should cleanup all the other\nallocated slots, otherwise, the allocated slots will leak:\n\n unreferenced object 0xffff8881115aa100 (size 64):\n comm \"\"mount.nfs\"\", pid 679, jiffies 4294744957 (age 115.037s)\n hex dump (first 32 bytes):\n 00 cc 19 73 81 88 ff ff 00 a0 5a 11 81 88 ff ff ...s......Z.....\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<000000007a4c434a>] nfs4_find_or_create_slot+0x8e/0x130\n [<000000005472a39c>] nfs4_realloc_slot_table+0x23f/0x270\n [<00000000cd8ca0eb>] nfs40_init_client+0x4a/0x90\n [<00000000128486db>] nfs4_init_client+0xce/0x270\n [<000000008d2cacad>] nfs4_set_client+0x1a2/0x2b0\n [<000000000e593b52>] nfs4_create_server+0x300/0x5f0\n [<00000000e4425dd2>] nfs4_try_get_tree+0x65/0x110\n [<00000000d3a6176f>] vfs_get_tree+0x41/0xf0\n [<0000000016b5ad4c>] path_mount+0x9b3/0xdd0\n [<00000000494cae71>] __x64_sys_mount+0x190/0x1d0\n [<000000005d56bdec>] do_syscall_64+0x35/0x80\n [<00000000687c9ae4>] entry_SYSCALL_64_after_hwframe+0x46/0xb0" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/nfs/nfs4client.c" ], "versions": [ { "version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": "84b5cb476903003ae9ca88f32b57ff0eaefa6d4c", "status": "affected", "versionType": "git" }, { "version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": "aae35a0c8a775fa4afa6a4e7dab3f936f1f89bbb", "status": "affected", "versionType": "git" }, { "version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": "86ce0e93cf6fb4d0c447323ac66577c642628b9d", "status": "affected", "versionType": "git" }, { "version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": "925cb538bd5851154602818dc80bf4b4d924c127", "status": "affected", "versionType": "git" }, { "version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": "45aea4fbf61e205649c29200726b9f45c1718a67", "status": "affected", "versionType": "git" }, { "version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": "24641993a7dce6b1628645f4e1d97ca06c9f765d", "status": "affected", "versionType": "git" }, { "version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": "db333ae981fb8843c383aa7dbf62cc682597d401", "status": "affected", "versionType": "git" }, { "version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": "7e8436728e22181c3f12a5dbabd35ed3a8b8c593", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/nfs/nfs4client.c" ], "versions": [ { "version": "3.12", "status": "affected" }, { "version": "0", "lessThan": "3.12", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.333", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.299", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.265", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.224", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.154", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.78", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.0.8", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1", "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": "3.12", "versionEndExcluding": "4.9.333" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "4.14.299" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "4.19.265" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "5.4.224" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "5.10.154" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "5.15.78" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "6.0.8" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "6.1" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/84b5cb476903003ae9ca88f32b57ff0eaefa6d4c" }, { "url": "https://git.kernel.org/stable/c/aae35a0c8a775fa4afa6a4e7dab3f936f1f89bbb" }, { "url": "https://git.kernel.org/stable/c/86ce0e93cf6fb4d0c447323ac66577c642628b9d" }, { "url": "https://git.kernel.org/stable/c/925cb538bd5851154602818dc80bf4b4d924c127" }, { "url": "https://git.kernel.org/stable/c/45aea4fbf61e205649c29200726b9f45c1718a67" }, { "url": "https://git.kernel.org/stable/c/24641993a7dce6b1628645f4e1d97ca06c9f765d" }, { "url": "https://git.kernel.org/stable/c/db333ae981fb8843c383aa7dbf62cc682597d401" }, { "url": "https://git.kernel.org/stable/c/7e8436728e22181c3f12a5dbabd35ed3a8b8c593" } ], "title": "nfs4: Fix kmemleak when allocate slot failed", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-401", "lang": "en", "description": "CWE-401 Missing Release of Memory after Effective Lifetime" } ] } ], "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": { "timestamp": "2025-10-01T14:56:42.974569Z", "id": "CVE-2022-49927", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T14:56:45.495Z" } } ] } }