{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80610", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.773Z", "datePublished": "2026-08-28T06:48:33.340Z", "dateUpdated": "2026-08-28T06:48:33.340Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-28T06:48:33.340Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: enetc: fix potential divide-by-zero when num_vsi is zero\n\nFor i.MX94 series, all the standalone ENETCs do not support SR-IOV, so\npf->caps.num_vsi is zero. This leads to a divide-by-zero in\nenetc4_default_rings_allocation() when distributing rings among PF and\nVFs.\n\nDivision by zero is undefined behavior in C. On ARM64, the UDIV/SDIV\ninstructions silently return zero rather than raising an exception, so\nthe issue does not cause a visible crash. However, relying on this\nbehavior is incorrect and poses a cross-platform compatibility risk.\n\nAdd an explicit check for num_vsi == 0 and return early after the PF's\nrings have been configured."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/freescale/enetc/enetc4_pf.c"], "versions": [{"version": "2d673b0e2f8d75b66aa21e5ca5d95c415dec5be7", "lessThan": "cd37bcb67f909a8683cc8c38a63ac7367a7f6161", "status": "affected", "versionType": "git"}, {"version": "2d673b0e2f8d75b66aa21e5ca5d95c415dec5be7", "lessThan": "5da65537792b68b6052ffcab65e04c27aea6dfe4", "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/freescale/enetc/enetc4_pf.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "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": "6.19", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/cd37bcb67f909a8683cc8c38a63ac7367a7f6161"}, {"url": "https://git.kernel.org/stable/c/5da65537792b68b6052ffcab65e04c27aea6dfe4"}], "title": "net: enetc: fix potential divide-by-zero when num_vsi is zero", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/freescale/enetc/enetc4_pf.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "cd37bcb67f909a8683cc8c38a63ac7367a7f6161", "status": "affected", "version": "2d673b0e2f8d75b66aa21e5ca5d95c415dec5be7", "versionType": "git"}, {"lessThan": "5da65537792b68b6052ffcab65e04c27aea6dfe4", "status": "affected", "version": "2d673b0e2f8d75b66aa21e5ca5d95c415dec5be7", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/freescale/enetc/enetc4_pf.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.19"}, {"lessThan": "6.19", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "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: enetc: fix potential divide-by-zero when num_vsi is zero\n\nFor i.MX94 series, all the standalone ENETCs do not support SR-IOV, so\npf->caps.num_vsi is zero. This leads to a divide-by-zero in\nenetc4_default_rings_allocation() when distributing rings among PF and\nVFs.\n\nDivision by zero is undefined behavior in C. On ARM64, the UDIV/SDIV\ninstructions silently return zero rather than raising an exception, so\nthe issue does not cause a visible crash. However, relying on this\nbehavior is incorrect and poses a cross-platform compatibility risk.\n\nAdd an explicit check for num_vsi == 0 and return early after the PF's\nrings have been configured."}], "id": "CVE-2026-80610", "lastModified": "2026-08-28T08:16:44.987", "metrics": {}, "published": "2026-08-28T08:16:44.987", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5da65537792b68b6052ffcab65e04c27aea6dfe4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cd37bcb67f909a8683cc8c38a63ac7367a7f6161"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2d673b0e2f8d75b66aa21e5ca5d95c415dec5be7,cd37bcb67f909a8683cc8c38a63ac7367a7f6161)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2d673b0e2f8d75b66aa21e5ca5d95c415dec5be7,5da65537792b68b6052ffcab65e04c27aea6dfe4)"}}], "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": "generic", "value": "6.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "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": "2026-08-28T09:45:17.383687+00:00", "updated": "2026-08-28T14:30:08.331773+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}