| { |
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| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: vxcan: vxcan_xmit: fix use after free bug\n\nAfter calling netif_rx_ni(skb), dereferencing skb is unsafe.\nEspecially, the canfd_frame cfd which aliases skb memory is accessed\nafter the netif_rx_ni()." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/can/vxcan.c" |
| ], |
| "versions": [ |
| { |
| "version": "a8f820a380a2a06fc4fe1a54159067958f800929", |
| "lessThan": "6d6dcf2399cdd26f7f5426ca8dd8366b7f2ca105", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "a8f820a380a2a06fc4fe1a54159067958f800929", |
| "lessThan": "9b820875a32a3443d67bfd368e93038354e98052", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "a8f820a380a2a06fc4fe1a54159067958f800929", |
| "lessThan": "a24476b37167816e6352ca1a2cf3769847774f70", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "a8f820a380a2a06fc4fe1a54159067958f800929", |
| "lessThan": "e771a874076115df8bff27d325edfd2340e4ec69", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "a8f820a380a2a06fc4fe1a54159067958f800929", |
| "lessThan": "75854cad5d80976f6ea0f0431f8cedd3bcc475cb", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/can/vxcan.c" |
| ], |
| "versions": [ |
| { |
| "version": "4.12", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "4.12", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.14.218", |
| "lessThanOrEqual": "4.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.171", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.93", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.11", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.11", |
| "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": "4.12", |
| "versionEndExcluding": "4.14.218" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.12", |
| "versionEndExcluding": "4.19.171" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.12", |
| "versionEndExcluding": "5.4.93" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.12", |
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| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.12", |
| "versionEndExcluding": "5.11" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/6d6dcf2399cdd26f7f5426ca8dd8366b7f2ca105" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/9b820875a32a3443d67bfd368e93038354e98052" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/a24476b37167816e6352ca1a2cf3769847774f70" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/e771a874076115df8bff27d325edfd2340e4ec69" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/75854cad5d80976f6ea0f0431f8cedd3bcc475cb" |
| } |
| ], |
| "title": "can: vxcan: vxcan_xmit: fix use after free bug", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47669", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
