{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49890", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-05-01T14:05:17.242Z", "datePublished": "2025-05-01T14:10:34.481Z", "dateUpdated": "2026-05-11T19:08:43.268Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:08:43.268Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncapabilities: fix potential memleak on error path from vfs_getxattr_alloc()\n\nIn cap_inode_getsecurity(), we will use vfs_getxattr_alloc() to\ncomplete the memory allocation of tmpbuf, if we have completed\nthe memory allocation of tmpbuf, but failed to call handler->get(...),\nthere will be a memleak in below logic:\n\n |-- ret = (int)vfs_getxattr_alloc(mnt_userns, ...)\n | /* ^^^ alloc for tmpbuf */\n |-- value = krealloc(*xattr_value, error + 1, flags)\n | /* ^^^ alloc memory */\n |-- error = handler->get(handler, ...)\n | /* error! */\n |-- *xattr_value = value\n | /* xattr_value is &tmpbuf (memory leak!) */\n\nSo we will try to free(tmpbuf) after vfs_getxattr_alloc() fails to fix it.\n\n[PM: subject line and backtrace tweaks]" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "security/commoncap.c" ], "versions": [ { "version": "8db6c34f1dbc8e06aa016a9b829b06902c3e1340", "lessThan": "6bb00eb21c0fbf18e5d3538c9ff0cf63fd0ace85", "status": "affected", "versionType": "git" }, { "version": "8db6c34f1dbc8e06aa016a9b829b06902c3e1340", "lessThan": "90577bcc01c4188416a47269f8433f70502abe98", "status": "affected", "versionType": "git" }, { "version": "8db6c34f1dbc8e06aa016a9b829b06902c3e1340", "lessThan": "0c3e6288da650d1ec911a259c77bc2d88e498603", "status": "affected", "versionType": "git" }, { "version": "8db6c34f1dbc8e06aa016a9b829b06902c3e1340", "lessThan": "cdf01c807e974048c43c7fd3ca574f6086a57906", "status": "affected", "versionType": "git" }, { "version": "8db6c34f1dbc8e06aa016a9b829b06902c3e1340", "lessThan": "2de8eec8afb75792440b8900a01d52b8f6742fd1", "status": "affected", "versionType": "git" }, { "version": "8db6c34f1dbc8e06aa016a9b829b06902c3e1340", "lessThan": "7480aeff0093d8c54377553ec6b31110bea37b4d", "status": "affected", "versionType": "git" }, { "version": "8db6c34f1dbc8e06aa016a9b829b06902c3e1340", "lessThan": "8cf0a1bc12870d148ae830a4ba88cfdf0e879cee", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "security/commoncap.c" ], "versions": [ { "version": "4.14", "status": "affected" }, { "version": "0", "lessThan": "4.14", "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": "4.14", "versionEndExcluding": "4.14.299" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "4.19.265" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "5.4.224" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "5.10.154" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "5.15.78" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "6.0.8" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "6.1" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/6bb00eb21c0fbf18e5d3538c9ff0cf63fd0ace85" }, { "url": "https://git.kernel.org/stable/c/90577bcc01c4188416a47269f8433f70502abe98" }, { "url": "https://git.kernel.org/stable/c/0c3e6288da650d1ec911a259c77bc2d88e498603" }, { "url": "https://git.kernel.org/stable/c/cdf01c807e974048c43c7fd3ca574f6086a57906" }, { "url": "https://git.kernel.org/stable/c/2de8eec8afb75792440b8900a01d52b8f6742fd1" }, { "url": "https://git.kernel.org/stable/c/7480aeff0093d8c54377553ec6b31110bea37b4d" }, { "url": "https://git.kernel.org/stable/c/8cf0a1bc12870d148ae830a4ba88cfdf0e879cee" } ], "title": "capabilities: fix potential memleak on error path from vfs_getxattr_alloc()", "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": "2025-10-01T16:08:33.672566Z", "id": "CVE-2022-49890", "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": "2025-10-01T16:08:36.059Z" } } ] } }