| { |
| "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: Fix a potential use-after-free in bpf_link_free()\n\nAfter commit 1a80dbcb2dba, bpf_link can be freed by\nlink->ops->dealloc_deferred, but the code still tests and uses\nlink->ops->dealloc afterward, which leads to a use-after-free as\nreported by syzbot. Actually, one of them should be sufficient, so\njust call one of them instead of both. Also add a WARN_ON() in case\nof any problematic implementation." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "kernel/bpf/syscall.c" |
| ], |
| "versions": [ |
| { |
| "version": "876941f533e7b47fc69977fc4551c02f2d18af97", |
| "lessThan": "91cff53136daeff50816b0baeafd38a6976f6209", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1a80dbcb2dbaf6e4c216e62e30fa7d3daa8001ce", |
| "lessThan": "fa97b8fed9896f1e89cb657513e483a152d4c382", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1a80dbcb2dbaf6e4c216e62e30fa7d3daa8001ce", |
| "lessThan": "2884dc7d08d98a89d8d65121524bb7533183a63a", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "5d8d447777564b35f67000e7838e7ccb64d525c8", |
| "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/syscall.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.9", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.9", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.35", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.9.6", |
| "lessThanOrEqual": "6.9.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.10", |
| "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": "6.6.26", |
| "versionEndExcluding": "6.6.35" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.9", |
| "versionEndExcluding": "6.9.6" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.9", |
| "versionEndExcluding": "6.10" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.8.5" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/91cff53136daeff50816b0baeafd38a6976f6209" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/fa97b8fed9896f1e89cb657513e483a152d4c382" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/2884dc7d08d98a89d8d65121524bb7533183a63a" |
| } |
| ], |
| "title": "bpf: Fix a potential use-after-free in bpf_link_free()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-40909", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
