| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: mt7530: fix VLAN traffic leaks\n\nPCR_MATRIX field was set to all 1's when VLAN filtering is enabled, but\nwas not reset when it is disabled, which may cause traffic leaks:\n\n\tip link add br0 type bridge vlan_filtering 1\n\tip link add br1 type bridge vlan_filtering 1\n\tip link set swp0 master br0\n\tip link set swp1 master br1\n\tip link set br0 type bridge vlan_filtering 0\n\tip link set br1 type bridge vlan_filtering 0\n\t# traffic in br0 and br1 will start leaking to each other\n\nAs port_bridge_{add,del} have set up PCR_MATRIX properly, remove the\nPCR_MATRIX write from mt7530_port_set_vlan_aware." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/dsa/mt7530.c" |
| ], |
| "versions": [ |
| { |
| "version": "83163f7dca5684816d01c8ccf4857aa74801e7b7", |
| "lessThan": "ae389812733b1b1e8e07fcc238e41db166b5c78d", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "83163f7dca5684816d01c8ccf4857aa74801e7b7", |
| "lessThan": "4fe4e1f48ba119bdbc7c897c83b04ba0d08f5488", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "83163f7dca5684816d01c8ccf4857aa74801e7b7", |
| "lessThan": "b91117b66fe875723a4e79ec6263526fffdb44d2", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "83163f7dca5684816d01c8ccf4857aa74801e7b7", |
| "lessThan": "82ae35b6c14feae5f216913d5b433e143c756d4e", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "83163f7dca5684816d01c8ccf4857aa74801e7b7", |
| "lessThan": "474a2ddaa192777522a7499784f1d60691cd831a", |
| "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/dsa/mt7530.c" |
| ], |
| "versions": [ |
| { |
| "version": "4.16", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "4.16", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.193", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.124", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.42", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.12.9", |
| "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": "4.16", |
| "versionEndExcluding": "4.19.193" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.16", |
| "versionEndExcluding": "5.4.124" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.16", |
| "versionEndExcluding": "5.10.42" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.16", |
| "versionEndExcluding": "5.12.9" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.16", |
| "versionEndExcluding": "5.13" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/ae389812733b1b1e8e07fcc238e41db166b5c78d" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/4fe4e1f48ba119bdbc7c897c83b04ba0d08f5488" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b91117b66fe875723a4e79ec6263526fffdb44d2" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/82ae35b6c14feae5f216913d5b433e143c756d4e" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/474a2ddaa192777522a7499784f1d60691cd831a" |
| } |
| ], |
| "title": "net: dsa: mt7530: fix VLAN traffic leaks", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47160", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
