| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Use correct permission flag for mixed signed bounds arithmetic\n\nWe forbid adding unknown scalars with mixed signed bounds due to the\nspectre v1 masking mitigation. Hence this also needs bypass_spec_v1\nflag instead of allow_ptr_leaks." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "kernel/bpf/verifier.c" |
| ], |
| "versions": [ |
| { |
| "version": "2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366", |
| "lessThan": "4f3ff11204eac0ee23acf64deecb3bad7b0db0c6", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366", |
| "lessThan": "4ccdc6c6cae38b91c871293fb0ed8c6845a61b51", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366", |
| "lessThan": "9601148392520e2e134936e76788fc2a6371e7be", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "kernel/bpf/verifier.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.8", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.8", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.32", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.11.16", |
| "lessThanOrEqual": "5.11.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.12", |
| "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": "5.8", |
| "versionEndExcluding": "5.10.32" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.8", |
| "versionEndExcluding": "5.11.16" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.8", |
| "versionEndExcluding": "5.12" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/4f3ff11204eac0ee23acf64deecb3bad7b0db0c6" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/4ccdc6c6cae38b91c871293fb0ed8c6845a61b51" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/9601148392520e2e134936e76788fc2a6371e7be" |
| } |
| ], |
| "title": "bpf: Use correct permission flag for mixed signed bounds arithmetic", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-46908", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
