CVE-2026-99195

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-99195", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.400Z", "datePublished": "2026-10-28T10:35:51.485Z", "dateUpdated": "2026-10-28T10:35:51.485Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-28T10:35:51.485Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethoc: move setting of netops to fix crash\n\nethoc_probe() calls ethoc_mdio_probe(), which connects the PHY,\nbefore netdev->netdev_ops is assigned. phy_attach_direct() ->\nphy_link_topo_add_phy() reads dev->netdev_ops through\nnetdev_need_ops_lock() since the commit in question, so probing crashes\nwith a NULL pointer dereference when CONFIG_NET_SHAPER is enabled.\n\nAssign netdev_ops before the PHY attach, as was done for emac in commit\n7c9f391ec89c (\"net: emac: move setting of netops to fix crash\")."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/ethoc.c"], "versions": [{"version": "ded86da4bbb78cad74cecc368fee3ae3a296e2ca", "lessThan": "c51b13299b4d45226efb09e532fb33e7109f78d7", "status": "affected", "versionType": "git"}, {"version": "ded86da4bbb78cad74cecc368fee3ae3a296e2ca", "lessThan": "c9f8ce62a5faa73515ff5457716bd7306d20fd93", "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/ethoc.c"], "versions": [{"version": "7.2", "status": "affected"}, {"version": "0", "lessThan": "7.2", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.13", "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": "7.2", "versionEndExcluding": "7.2.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.2", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c51b13299b4d45226efb09e532fb33e7109f78d7"}, {"url": "https://git.kernel.org/stable/c/c9f8ce62a5faa73515ff5457716bd7306d20fd93"}], "title": "net: ethoc: move setting of netops to fix crash", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/ethoc.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c51b13299b4d45226efb09e532fb33e7109f78d7", "status": "affected", "version": "ded86da4bbb78cad74cecc368fee3ae3a296e2ca", "versionType": "git"}, {"lessThan": "c9f8ce62a5faa73515ff5457716bd7306d20fd93", "status": "affected", "version": "ded86da4bbb78cad74cecc368fee3ae3a296e2ca", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/ethoc.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "7.2"}, {"lessThan": "7.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.13", "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: ethoc: move setting of netops to fix crash\n\nethoc_probe() calls ethoc_mdio_probe(), which connects the PHY,\nbefore netdev->netdev_ops is assigned. phy_attach_direct() ->\nphy_link_topo_add_phy() reads dev->netdev_ops through\nnetdev_need_ops_lock() since the commit in question, so probing crashes\nwith a NULL pointer dereference when CONFIG_NET_SHAPER is enabled.\n\nAssign netdev_ops before the PHY attach, as was done for emac in commit\n7c9f391ec89c (\"net: emac: move setting of netops to fix crash\")."}], "id": "CVE-2026-99195", "lastModified": "2026-10-28T11:17:40.547", "metrics": {}, "published": "2026-10-28T11:17:40.547", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c51b13299b4d45226efb09e532fb33e7109f78d7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c9f8ce62a5faa73515ff5457716bd7306d20fd93"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: kernel: ethoc: Denial of Service via NULL pointer dereference during device probe", "id": "2562651", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2562651"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: ethoc: move setting of netops to fix crash\nethoc_probe() calls ethoc_mdio_probe(), which connects the PHY,\nbefore netdev->netdev_ops is assigned. phy_attach_direct() ->\nphy_link_topo_add_phy() reads dev->netdev_ops through\nnetdev_need_ops_lock() since the commit in question, so probing crashes\nwith a NULL pointer dereference when CONFIG_NET_SHAPER is enabled.\nAssign netdev_ops before the PHY attach, as was done for emac in commit\n7c9f391ec89c (\"net: emac: move setting of netops to fix crash\").", "A flaw was found in the Linux kernel's OpenCores Ethernet driver (ethoc). During device initialization, the driver connects the physical network interface before assigning its network device operations. A local attacker capable of triggering device probing on a system configured with network traffic shaping can induce a NULL pointer dereference. This flaw leads to a kernel crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-99195", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "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": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:5", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-10", "product_name": "Red Hat OpenShift Container Platform 5"}, {"cpe": "cpe:/a:redhat:openshift:5", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 5"}], "public_date": "2026-10-28T10:35:51Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-99195\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-99195\nhttps://git.kernel.org/stable/c/c51b13299b4d45226efb09e532fb33e7109f78d7\nhttps://git.kernel.org/stable/c/c9f8ce62a5faa73515ff5457716bd7306d20fd93"], "statement": "This vulnerability is rated Moderate because triggering the defect requires local privileged access to initiate device discovery on systems where network shaping functionality is enabled. The exposure is confined to hardware configurations deploying the OpenCores Ethernet controller, which is not standard across default enterprise server environments. While a local administrator or privileged process could trigger a kernel panic causing a denial of service, the issue cannot be exploited remotely and does not compromise system integrity or confidentiality.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ded86da4bbb78cad74cecc368fee3ae3a296e2ca,c51b13299b4d45226efb09e532fb33e7109f78d7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ded86da4bbb78cad74cecc368fee3ae3a296e2ca,c9f8ce62a5faa73515ff5457716bd7306d20fd93)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,7.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.13,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ded86da4bbb78cad74cecc368fee3ae3a296e2ca,c51b13299b4d45226efb09e532fb33e7109f78d7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ded86da4bbb78cad74cecc368fee3ae3a296e2ca,c9f8ce62a5faa73515ff5457716bd7306d20fd93)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,7.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.13,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-28T13:00:15.528891+00:00", "updated": "2026-11-03T03:00:14.981587+00:00", "vendors": ["linux", "linux$PRODUCT$linux", "linux$PRODUCT$linux_kernel"]}