| { |
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| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: pch_can: pch_can_rx_normal: fix use after free\n\nAfter calling netif_receive_skb(skb), dereferencing skb is unsafe.\nEspecially, the can_frame cf which aliases skb memory is dereferenced\njust after the call netif_receive_skb(skb).\n\nReordering the lines solves the issue." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/can/pch_can.c" |
| ], |
| "versions": [ |
| { |
| "version": "b21d18b51b31a24d17f883b678432fbdee3d5675", |
| "lessThan": "bafe343a885c70dddf358379cf0b2a1c07355d8d", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b21d18b51b31a24d17f883b678432fbdee3d5675", |
| "lessThan": "3a3c46e2eff0577454860a203be1a8295f4acb76", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b21d18b51b31a24d17f883b678432fbdee3d5675", |
| "lessThan": "affbad02bf80380a7403885b9fe4a1587d1bb4f3", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b21d18b51b31a24d17f883b678432fbdee3d5675", |
| "lessThan": "3e193ef4e0a3f5bf92ede83ef214cb09d01b00aa", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b21d18b51b31a24d17f883b678432fbdee3d5675", |
| "lessThan": "abb4eff3dcd2e583060082a18a8dbf31f02689d4", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b21d18b51b31a24d17f883b678432fbdee3d5675", |
| "lessThan": "703dde112021c93d6e89443c070e7dbd4dea612e", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b21d18b51b31a24d17f883b678432fbdee3d5675", |
| "lessThan": "6c73fc931658d8cbc8a1714b326cb31eb71d16a7", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "b21d18b51b31a24d17f883b678432fbdee3d5675", |
| "lessThan": "94cddf1e9227a171b27292509d59691819c458db", |
| "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/pch_can.c" |
| ], |
| "versions": [ |
| { |
| "version": "2.6.37", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "2.6.37", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.4.295", |
| "lessThanOrEqual": "4.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.9.293", |
| "lessThanOrEqual": "4.9.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.14.258", |
| "lessThanOrEqual": "4.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.221", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.165", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.85", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.8", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.16", |
| "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": "2.6.37", |
| "versionEndExcluding": "4.4.295" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.37", |
| "versionEndExcluding": "4.9.293" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.37", |
| "versionEndExcluding": "4.14.258" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.37", |
| "versionEndExcluding": "4.19.221" |
| }, |
| { |
| "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:*:*:*:*:*:*:*:*", |
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| "versionEndExcluding": "5.10.85" |
| }, |
| { |
| "vulnerable": true, |
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| "versionStartIncluding": "2.6.37", |
| "versionEndExcluding": "5.15.8" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.37", |
| "versionEndExcluding": "5.16" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/bafe343a885c70dddf358379cf0b2a1c07355d8d" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/3a3c46e2eff0577454860a203be1a8295f4acb76" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/affbad02bf80380a7403885b9fe4a1587d1bb4f3" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/3e193ef4e0a3f5bf92ede83ef214cb09d01b00aa" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/abb4eff3dcd2e583060082a18a8dbf31f02689d4" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/703dde112021c93d6e89443c070e7dbd4dea612e" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/6c73fc931658d8cbc8a1714b326cb31eb71d16a7" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/94cddf1e9227a171b27292509d59691819c458db" |
| } |
| ], |
| "title": "can: pch_can: pch_can_rx_normal: fix use after free", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47520", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
