| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npadata: avoid UAF for reorder_work\n\nAlthough the previous patch can avoid ps and ps UAF for _do_serial, it\ncan not avoid potential UAF issue for reorder_work. This issue can\nhappen just as below:\n\ncrypto_request\t\t\tcrypto_request\t\tcrypto_del_alg\npadata_do_serial\n ...\n padata_reorder\n // processes all remaining\n // requests then breaks\n while (1) {\n if (!padata)\n break;\n ...\n }\n\n\t\t\t\tpadata_do_serial\n\t\t\t\t // new request added\n\t\t\t\t list_add\n // sees the new request\n queue_work(reorder_work)\n\t\t\t\t padata_reorder\n\t\t\t\t queue_work_on(squeue->work)\n...\n\n\t\t\t\t<kworker context>\n\t\t\t\tpadata_serial_worker\n\t\t\t\t// completes new request,\n\t\t\t\t// no more outstanding\n\t\t\t\t// requests\n\n\t\t\t\t\t\t\tcrypto_del_alg\n\t\t\t\t\t\t\t // free pd\n\n<kworker context>\ninvoke_padata_reorder\n // UAF of pd\n\nTo avoid UAF for 'reorder_work', get 'pd' ref before put 'reorder_work'\ninto the 'serial_wq' and put 'pd' ref until the 'serial_wq' finish." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "kernel/padata.c" |
| ], |
| "versions": [ |
| { |
| "version": "bbefa1dd6a6d53537c11624752219e39959d04fb", |
| "lessThan": "f4f1b1169fc3694f9bc3e28c6c68dbbf4cc744c0", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "bbefa1dd6a6d53537c11624752219e39959d04fb", |
| "lessThan": "4c6209efea2208597dbd3e52dc87a0d1a8f2dbe1", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "bbefa1dd6a6d53537c11624752219e39959d04fb", |
| "lessThan": "7000507bb0d2ceb545c0a690e0c707c897d102c2", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "bbefa1dd6a6d53537c11624752219e39959d04fb", |
| "lessThan": "6f45ef616775b0ce7889b0f6077fc8d681ab30bc", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "bbefa1dd6a6d53537c11624752219e39959d04fb", |
| "lessThan": "8ca38d0ca8c3d30dd18d311f1a7ec5cb56972cac", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "bbefa1dd6a6d53537c11624752219e39959d04fb", |
| "lessThan": "a54091c24220a4cd847d5b4f36d678edacddbaf0", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "bbefa1dd6a6d53537c11624752219e39959d04fb", |
| "lessThan": "dd7d37ccf6b11f3d95e797ebe4e9e886d0332600", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b4c8ed0bf977760a206997b6429a7ac91978f440", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "e43d65719527043f1ef79ecba9d4ede58cbc7ffe", |
| "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/padata.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.6", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.6", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.235", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.179", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.129", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.76", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.13", |
| "lessThanOrEqual": "6.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.13.2", |
| "lessThanOrEqual": "6.13.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.14", |
| "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": "5.6", |
| "versionEndExcluding": "5.10.235" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.6", |
| "versionEndExcluding": "5.15.179" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.6", |
| "versionEndExcluding": "6.1.129" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.6", |
| "versionEndExcluding": "6.6.76" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.6", |
| "versionEndExcluding": "6.12.13" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.6", |
| "versionEndExcluding": "6.13.2" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.6", |
| "versionEndExcluding": "6.14" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4.19" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.5.3" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/f4f1b1169fc3694f9bc3e28c6c68dbbf4cc744c0" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/4c6209efea2208597dbd3e52dc87a0d1a8f2dbe1" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/7000507bb0d2ceb545c0a690e0c707c897d102c2" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/6f45ef616775b0ce7889b0f6077fc8d681ab30bc" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/8ca38d0ca8c3d30dd18d311f1a7ec5cb56972cac" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/a54091c24220a4cd847d5b4f36d678edacddbaf0" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/dd7d37ccf6b11f3d95e797ebe4e9e886d0332600" |
| } |
| ], |
| "title": "padata: avoid UAF for reorder_work", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2025-21726", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
