{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74736", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.930Z", "datePublished": "2026-08-26T14:36:49.950Z", "dateUpdated": "2026-08-26T14:36:49.950Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-26T14:36:49.950Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: cls_bpf: reject dev-bound programs bound to a different device\n\ncls_bpf_prog_from_efd() obtained a SCHED_CLS program via\nbpf_prog_get_type_dev() but never verified that a device-bound (offloaded)\nprogram's bound netdev matches the TC netdev the classifier is being\nattached to. This let a program loaded with prog_ifindex for device A be\nattached via cls_bpf + skip_sw to device B; deleting device A then\ndestroyed the program's offload state while it was still attached to\ndevice B, triggering a netdevsim WARN (panic with panic_on_warn=1).\n\nMirror the XDP attach path (net/core/dev.c) and reject the attach with\n-EINVAL when a dev-bound program's bound device does not match the\ntarget device."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sched/cls_bpf.c"], "versions": [{"version": "2b3486bc2d237ec345b3942b7be5deabf8c8fed1", "lessThan": "ec5a552f4b2d841c6c021752450716e1a9676661", "status": "affected", "versionType": "git"}, {"version": "2b3486bc2d237ec345b3942b7be5deabf8c8fed1", "lessThan": "daf546ab5763ce6a18280cb4db060e836c515301", "status": "affected", "versionType": "git"}, {"version": "2b3486bc2d237ec345b3942b7be5deabf8c8fed1", "lessThan": "adb3e7c26a51a10d94a241c6de7a81a2863dcacf", "status": "affected", "versionType": "git"}, {"version": "2b3486bc2d237ec345b3942b7be5deabf8c8fed1", "lessThan": "5685bbbd3cbfbeb0de96a1d275a5ca073dfebb5e", "status": "affected", "versionType": "git"}, {"version": "2b3486bc2d237ec345b3942b7be5deabf8c8fed1", "lessThan": "120977e2c096deea4e866e4273be9220b957c29e", "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/cls_bpf.c"], "versions": [{"version": "6.3", "status": "affected"}, {"version": "0", "lessThan": "6.3", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.153", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.105", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.46", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.10", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.3", "versionEndExcluding": "6.6.153"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.12.105"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.18.46"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "7.1.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ec5a552f4b2d841c6c021752450716e1a9676661"}, {"url": "https://git.kernel.org/stable/c/daf546ab5763ce6a18280cb4db060e836c515301"}, {"url": "https://git.kernel.org/stable/c/adb3e7c26a51a10d94a241c6de7a81a2863dcacf"}, {"url": "https://git.kernel.org/stable/c/5685bbbd3cbfbeb0de96a1d275a5ca073dfebb5e"}, {"url": "https://git.kernel.org/stable/c/120977e2c096deea4e866e4273be9220b957c29e"}], "title": "net/sched: cls_bpf: reject dev-bound programs bound to a different device", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/sched/cls_bpf.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "ec5a552f4b2d841c6c021752450716e1a9676661", "status": "affected", "version": "2b3486bc2d237ec345b3942b7be5deabf8c8fed1", "versionType": "git"}, {"lessThan": "daf546ab5763ce6a18280cb4db060e836c515301", "status": "affected", "version": "2b3486bc2d237ec345b3942b7be5deabf8c8fed1", "versionType": "git"}, {"lessThan": "adb3e7c26a51a10d94a241c6de7a81a2863dcacf", "status": "affected", "version": "2b3486bc2d237ec345b3942b7be5deabf8c8fed1", "versionType": "git"}, {"lessThan": "5685bbbd3cbfbeb0de96a1d275a5ca073dfebb5e", "status": "affected", "version": "2b3486bc2d237ec345b3942b7be5deabf8c8fed1", "versionType": "git"}, {"lessThan": "120977e2c096deea4e866e4273be9220b957c29e", "status": "affected", "version": "2b3486bc2d237ec345b3942b7be5deabf8c8fed1", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/sched/cls_bpf.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.3"}, {"lessThan": "6.3", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.153", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.105", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.46", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: cls_bpf: reject dev-bound programs bound to a different device\n\ncls_bpf_prog_from_efd() obtained a SCHED_CLS program via\nbpf_prog_get_type_dev() but never verified that a device-bound (offloaded)\nprogram's bound netdev matches the TC netdev the classifier is being\nattached to. This let a program loaded with prog_ifindex for device A be\nattached via cls_bpf + skip_sw to device B; deleting device A then\ndestroyed the program's offload state while it was still attached to\ndevice B, triggering a netdevsim WARN (panic with panic_on_warn=1).\n\nMirror the XDP attach path (net/core/dev.c) and reject the attach with\n-EINVAL when a dev-bound program's bound device does not match the\ntarget device."}], "id": "CVE-2026-74736", "lastModified": "2026-08-26T15:16:52.173", "metrics": {}, "published": "2026-08-26T15:16:52.173", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/120977e2c096deea4e866e4273be9220b957c29e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5685bbbd3cbfbeb0de96a1d275a5ca073dfebb5e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/adb3e7c26a51a10d94a241c6de7a81a2863dcacf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/daf546ab5763ce6a18280cb4db060e836c515301"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ec5a552f4b2d841c6c021752450716e1a9676661"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2b3486bc2d237ec345b3942b7be5deabf8c8fed1,ec5a552f4b2d841c6c021752450716e1a9676661)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2b3486bc2d237ec345b3942b7be5deabf8c8fed1,daf546ab5763ce6a18280cb4db060e836c515301)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2b3486bc2d237ec345b3942b7be5deabf8c8fed1,adb3e7c26a51a10d94a241c6de7a81a2863dcacf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2b3486bc2d237ec345b3942b7be5deabf8c8fed1,5685bbbd3cbfbeb0de96a1d275a5ca073dfebb5e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2b3486bc2d237ec345b3942b7be5deabf8c8fed1,120977e2c096deea4e866e4273be9220b957c29e)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.3"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.3)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.153,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.105,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.46,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.10,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-26T15:30:05.001911+00:00", "updated": "2026-08-26T15:30:05.171012+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-20"]}