| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsch/netem: fix use after free in netem_dequeue\n\nIf netem_dequeue() enqueues packet to inner qdisc and that qdisc\nreturns __NET_XMIT_STOLEN. The packet is dropped but\nqdisc_tree_reduce_backlog() is not called to update the parent's\nq.qlen, leading to the similar use-after-free as Commit\ne04991a48dbaf382 (\"netem: fix return value if duplicate enqueue\nfails\")\n\nCommands to trigger KASAN UaF:\n\nip link add type dummy\nip link set lo up\nip link set dummy0 up\ntc qdisc add dev lo parent root handle 1: drr\ntc filter add dev lo parent 1: basic classid 1:1\ntc class add dev lo classid 1:1 drr\ntc qdisc add dev lo parent 1:1 handle 2: netem\ntc qdisc add dev lo parent 2: handle 3: drr\ntc filter add dev lo parent 3: basic classid 3:1 action mirred egress\nredirect dev dummy0\ntc class add dev lo classid 3:1 drr\nping -c1 -W0.01 localhost # Trigger bug\ntc class del dev lo classid 1:1\ntc class add dev lo classid 1:1 drr\nping -c1 -W0.01 localhost # UaF" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/sched/sch_netem.c" |
| ], |
| "versions": [ |
| { |
| "version": "50612537e9ab29693122fab20fc1eed235054ffe", |
| "lessThan": "f0bddb4de043399f16d1969dad5ee5b984a64e7b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "50612537e9ab29693122fab20fc1eed235054ffe", |
| "lessThan": "295ad5afd9efc5f67b86c64fce28fb94e26dc4c9", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "50612537e9ab29693122fab20fc1eed235054ffe", |
| "lessThan": "98c75d76187944296068d685dfd8a1e9fd8c4fdc", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "50612537e9ab29693122fab20fc1eed235054ffe", |
| "lessThan": "14f91ab8d391f249b845916820a56f42cf747241", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "50612537e9ab29693122fab20fc1eed235054ffe", |
| "lessThan": "db2c235682913a63054e741fe4e19645fdf2d68e", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "50612537e9ab29693122fab20fc1eed235054ffe", |
| "lessThan": "dde33a9d0b80aae0c69594d1f462515d7ff1cb3d", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "50612537e9ab29693122fab20fc1eed235054ffe", |
| "lessThan": "32008ab989ddcff1a485fa2b4906234c25dc5cd6", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "50612537e9ab29693122fab20fc1eed235054ffe", |
| "lessThan": "3b3a2a9c6349e25a025d2330f479bc33a6ccb54a", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/sched/sch_netem.c" |
| ], |
| "versions": [ |
| { |
| "version": "3.3", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "3.3", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.322", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.284", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.226", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.167", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.110", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.51", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.10.10", |
| "lessThanOrEqual": "6.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.11", |
| "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": "3.3", |
| "versionEndExcluding": "4.19.322" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "5.4.284" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "5.10.226" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "5.15.167" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "6.1.110" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "6.6.51" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "6.10.10" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "3.3", |
| "versionEndExcluding": "6.11" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/f0bddb4de043399f16d1969dad5ee5b984a64e7b" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/295ad5afd9efc5f67b86c64fce28fb94e26dc4c9" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/98c75d76187944296068d685dfd8a1e9fd8c4fdc" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/14f91ab8d391f249b845916820a56f42cf747241" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/db2c235682913a63054e741fe4e19645fdf2d68e" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/dde33a9d0b80aae0c69594d1f462515d7ff1cb3d" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/32008ab989ddcff1a485fa2b4906234c25dc5cd6" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/3b3a2a9c6349e25a025d2330f479bc33a6ccb54a" |
| } |
| ], |
| "title": "sch/netem: fix use after free in netem_dequeue", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-46800", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
