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| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: fix potential use-after-free in ec_bhf_remove\n\nstatic void ec_bhf_remove(struct pci_dev *dev)\n{\n...\n\tstruct ec_bhf_priv *priv = netdev_priv(net_dev);\n\n\tunregister_netdev(net_dev);\n\tfree_netdev(net_dev);\n\n\tpci_iounmap(dev, priv->dma_io);\n\tpci_iounmap(dev, priv->io);\n...\n}\n\npriv is netdev private data, but it is used\nafter free_netdev(). It can cause use-after-free when accessing priv\npointer. So, fix it by moving free_netdev() after pci_iounmap()\ncalls." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/ethernet/ec_bhf.c" |
| ], |
| "versions": [ |
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| "version": "6af55ff52b02d492d45db88df3e461fa51a6f753", |
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| "status": "affected", |
| "versionType": "git" |
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| "status": "affected", |
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| "lessThan": "b1ad283755095a4b9d1431aeb357d7df1a33d3bb", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "6af55ff52b02d492d45db88df3e461fa51a6f753", |
| "lessThan": "0260916843cc74f3906acf8b6f256693e01530a2", |
| "status": "affected", |
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| }, |
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| "version": "6af55ff52b02d492d45db88df3e461fa51a6f753", |
| "lessThan": "19f88ca68ccf8771276a606765239b167654f84a", |
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| }, |
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| "versionType": "git" |
| }, |
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| "version": "6af55ff52b02d492d45db88df3e461fa51a6f753", |
| "lessThan": "d11d79e52ba080ee567cb7d7eb42a5ade60a8130", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "6af55ff52b02d492d45db88df3e461fa51a6f753", |
| "lessThan": "9cca0c2d70149160407bda9a9446ce0c29b6e6c6", |
| "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/ethernet/ec_bhf.c" |
| ], |
| "versions": [ |
| { |
| "version": "3.15", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "3.15", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.4.274", |
| "lessThanOrEqual": "4.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.9.274", |
| "lessThanOrEqual": "4.9.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.14.238", |
| "lessThanOrEqual": "4.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.196", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.128", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.46", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.12.13", |
| "lessThanOrEqual": "5.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.13", |
| "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": "3.15", |
| "versionEndExcluding": "4.4.274" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.15", |
| "versionEndExcluding": "4.9.274" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.15", |
| "versionEndExcluding": "4.14.238" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
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| }, |
| { |
| "vulnerable": true, |
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| }, |
| { |
| "vulnerable": true, |
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| }, |
| { |
| "vulnerable": true, |
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| "versionStartIncluding": "3.15", |
| "versionEndExcluding": "5.13" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/db2bc3cfd2bc01621014d4f17cdfc74611f339c8" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/1cafc540b7bf1b6a5a77dc000205fe337ef6eba6" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b1ad283755095a4b9d1431aeb357d7df1a33d3bb" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/0260916843cc74f3906acf8b6f256693e01530a2" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/19f88ca68ccf8771276a606765239b167654f84a" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/95deeb29d831e2fae608439e243e7a520611e7ea" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/d11d79e52ba080ee567cb7d7eb42a5ade60a8130" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/9cca0c2d70149160407bda9a9446ce0c29b6e6c6" |
| } |
| ], |
| "title": "net: ethernet: fix potential use-after-free in ec_bhf_remove", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47235", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
