| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return()\n\nCommit de144ff4234f changes _pnfs_return_layout() to call\npnfs_mark_matching_lsegs_return() passing NULL as the struct\npnfs_layout_range argument. Unfortunately,\npnfs_mark_matching_lsegs_return() doesn't check if we have a value here\nbefore dereferencing it, causing an oops.\n\nI'm able to hit this crash consistently when running connectathon basic\ntests on NFS v4.1/v4.2 against Ontap." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "fs/nfs/pnfs.c" |
| ], |
| "versions": [ |
| { |
| "version": "80e34f4957ec3010c85f9bb0b568a8d46acdf535", |
| "lessThan": "4e1ba532dbc1a0e19fc2458d74ab8d98680c4e42", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7b7b9774643220e53eef58c15bb29bd4182fe053", |
| "lessThan": "42637ca25c7d7b5a92804a679af5192e8c1a9f48", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "9ffa7967f9379a0a1b924e9ffeda709d72237da7", |
| "lessThan": "39785761feadf261bc5101372b0b0bbaf6a94494", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "6be0e4b59314e4a836495f6ffdc5d2c5b079deeb", |
| "lessThan": "aba3c7795f51717ae316f3566442dee7cc3eeccb", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "2fafe7d5047f98791afd9a1d90d2afb70debc590", |
| "lessThan": "f9890652185b72b8de9ebeb4406037640b6e1b53", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7e65ea887d0c0997f3053acd91a027af45e71c5b", |
| "lessThan": "b090d110e66636bca473fd8b98d5c97b555a965a", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "de144ff4234f935bd2150108019b5d87a90a8a96", |
| "lessThan": "a421d218603ffa822a0b8045055c03eae394a7eb", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "96260bde1ea8ae31a5402fe506abbb8951d5a42c", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "fs/nfs/pnfs.c" |
| ], |
| "versions": [ |
| { |
| "version": "4.9.269", |
| "lessThan": "4.9.271", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.14.233", |
| "lessThan": "4.14.235", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.191", |
| "lessThan": "4.19.193", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.118", |
| "lessThan": "5.4.124", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.36", |
| "lessThan": "5.10.42", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.12.3", |
| "lessThan": "5.12.9", |
| "status": "affected", |
| "versionType": "semver" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.9.269", |
| "versionEndExcluding": "4.9.271" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
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| }, |
| { |
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| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.19.191", |
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| }, |
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| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4.118", |
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| }, |
| { |
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| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.10.36", |
| "versionEndExcluding": "5.10.42" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.12.3", |
| "versionEndExcluding": "5.12.9" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.11.20" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/4e1ba532dbc1a0e19fc2458d74ab8d98680c4e42" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/42637ca25c7d7b5a92804a679af5192e8c1a9f48" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/39785761feadf261bc5101372b0b0bbaf6a94494" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/aba3c7795f51717ae316f3566442dee7cc3eeccb" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/f9890652185b72b8de9ebeb4406037640b6e1b53" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b090d110e66636bca473fd8b98d5c97b555a965a" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/a421d218603ffa822a0b8045055c03eae394a7eb" |
| } |
| ], |
| "title": "NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47179", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
