CVE-2026-98304

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98304", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.338Z", "datePublished": "2026-10-06T08:46:01.353Z", "dateUpdated": "2026-10-19T09:17:15.103Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:17:15.103Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bcmgenet: restore the hardware filters on open\n\nbcmgenet_hfb_init() runs INIT_LIST_HEAD() on priv->rxnfc_list, which drops\nevery rule off the list, and bcmgenet_open() calls it on each ifup. Every\nrule the user configured is silently lost:\n\n # ethtool -N eth0 flow-type ether dst $MAC action 0\n Added rule with ID 0\n # ethtool -n eth0 | grep -c Filter:\n 1\n # ip link set eth0 down && ip link set eth0 up\n # ethtool -n eth0 | grep -c Filter:\n 0\n\nInitialise the lists once at probe and restore the rules on open, as\nbcmgenet_resume() already does."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/broadcom/genet/bcmgenet.c"], "versions": [{"version": "3e370952287c55e5fd240cb8bb41ef8acff8829d", "lessThan": "56db7ec462d6a2b886e299ad835109c089606969", "status": "affected", "versionType": "git"}, {"version": "3e370952287c55e5fd240cb8bb41ef8acff8829d", "lessThan": "906140955c8debde65afe12e594e04c49a61b0d9", "status": "affected", "versionType": "git"}, {"version": "3e370952287c55e5fd240cb8bb41ef8acff8829d", "lessThan": "23ca4ddc4fce2c233a49e9fd34d4b5b02bd7324e", "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/ethernet/broadcom/genet/bcmgenet.c"], "versions": [{"version": "5.8", "status": "affected"}, {"version": "0", "lessThan": "5.8", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.54", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.8", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/56db7ec462d6a2b886e299ad835109c089606969"}, {"url": "https://git.kernel.org/stable/c/906140955c8debde65afe12e594e04c49a61b0d9"}, {"url": "https://git.kernel.org/stable/c/23ca4ddc4fce2c233a49e9fd34d4b5b02bd7324e"}], "title": "net: bcmgenet: restore the hardware filters on open", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/broadcom/genet/bcmgenet.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "56db7ec462d6a2b886e299ad835109c089606969", "status": "affected", "version": "3e370952287c55e5fd240cb8bb41ef8acff8829d", "versionType": "git"}, {"lessThan": "906140955c8debde65afe12e594e04c49a61b0d9", "status": "affected", "version": "3e370952287c55e5fd240cb8bb41ef8acff8829d", "versionType": "git"}, {"lessThan": "23ca4ddc4fce2c233a49e9fd34d4b5b02bd7324e", "status": "affected", "version": "3e370952287c55e5fd240cb8bb41ef8acff8829d", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/broadcom/genet/bcmgenet.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.8"}, {"lessThan": "5.8", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.54", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.8", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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: bcmgenet: restore the hardware filters on open\n\nbcmgenet_hfb_init() runs INIT_LIST_HEAD() on priv->rxnfc_list, which drops\nevery rule off the list, and bcmgenet_open() calls it on each ifup. Every\nrule the user configured is silently lost:\n\n # ethtool -N eth0 flow-type ether dst $MAC action 0\n Added rule with ID 0\n # ethtool -n eth0 | grep -c Filter:\n 1\n # ip link set eth0 down && ip link set eth0 up\n # ethtool -n eth0 | grep -c Filter:\n 0\n\nInitialise the lists once at probe and restore the rules on open, as\nbcmgenet_resume() already does."}], "id": "CVE-2026-98304", "lastModified": "2026-10-19T10:18:32.413", "metrics": {}, "published": "2026-10-06T09:18:21.520", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/23ca4ddc4fce2c233a49e9fd34d4b5b02bd7324e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/56db7ec462d6a2b886e299ad835109c089606969"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/906140955c8debde65afe12e594e04c49a61b0d9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: net: bcmgenet: restore the hardware filters on open", "id": "2546495", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546495"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-281", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: bcmgenet: restore the hardware filters on open\nbcmgenet_hfb_init() runs INIT_LIST_HEAD() on priv->rxnfc_list, which drops\nevery rule off the list, and bcmgenet_open() calls it on each ifup. Every\nrule the user configured is silently lost:\n# ethtool -N eth0 flow-type ether dst $MAC action 0\nAdded rule with ID 0\n# ethtool -n eth0 | grep -c Filter:\n1\n# ip link set eth0 down && ip link set eth0 up\n# ethtool -n eth0 | grep -c Filter:\n0\nInitialise the lists once at probe and restore the rules on open, as\nbcmgenet_resume() already does.", "A flaw was found in the Linux kernel's Broadcom GENET network driver (bcmgenet). When a network interface is brought up or restarted, the driver reinitializes its rule tracking, causing user-configured hardware packet filtering rules to be silently discarded. Consequently, incoming network traffic may bypass intended traffic filtering or routing controls without administrator awareness."], "name": "CVE-2026-98304", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98304\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98304\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98304.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3e370952287c55e5fd240cb8bb41ef8acff8829d,56db7ec462d6a2b886e299ad835109c089606969)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3e370952287c55e5fd240cb8bb41ef8acff8829d,906140955c8debde65afe12e594e04c49a61b0d9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3e370952287c55e5fd240cb8bb41ef8acff8829d,23ca4ddc4fce2c233a49e9fd34d4b5b02bd7324e)"}}], "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": "5.8"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.54,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.8,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc4,*]"}}], "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": "2026-10-06T14:00:20.949851+00:00", "updated": "2026-10-11T16:15:17.291318+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}