CVE-2026-80779

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80779", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.792Z", "datePublished": "2026-09-04T15:12:51.103Z", "dateUpdated": "2026-10-19T08:43:34.624Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:43:34.624Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/ionic: avoid OOB TX partner lookup for hwstamp RXQ\n\nThe dedicated hardware timestamp RX queue is allocated with q->index\nequal to lif->ionic->nrxqs_per_lif. The normal txqcqs array only\ncontains the regular queue pairs, so using that index to set rxq->partner\ncan read one entry past txqcqs[] and then write through the derived\npointer.\nOnly link RX/TX partners for normal queue-pair indexes. Leave the hwstamp\nRX queue unpaired, and make the XDP_TX path abort cleanly if an RX queue\nhas no TX partner."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/pensando/ionic/ionic_lif.c", "drivers/net/ethernet/pensando/ionic/ionic_txrx.c"], "versions": [{"version": "8eeed8373e1cca836799bf8e4a05cffa8e444908", "lessThan": "881a805a8029ba48c0ce81c6674910f8d83f7afb", "status": "affected", "versionType": "git"}, {"version": "8eeed8373e1cca836799bf8e4a05cffa8e444908", "lessThan": "39fc615e355b65b8d43be30da57aa95ae6eaf688", "status": "affected", "versionType": "git"}, {"version": "8eeed8373e1cca836799bf8e4a05cffa8e444908", "lessThan": "f3868046e8e2e761d4d943a232bd109ff22a7d5b", "status": "affected", "versionType": "git"}, {"version": "8eeed8373e1cca836799bf8e4a05cffa8e444908", "lessThan": "ea081b4435515ac7177eb598a3c0678d1b9e7911", "status": "affected", "versionType": "git"}, {"version": "8eeed8373e1cca836799bf8e4a05cffa8e444908", "lessThan": "d92255b405fb6f5acca408239ccd742e0a42c9cb", "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/pensando/ionic/ionic_lif.c", "drivers/net/ethernet/pensando/ionic/ionic_txrx.c"], "versions": [{"version": "6.9", "status": "affected"}, {"version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.106", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.47", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.11", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.1", "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": "6.9", "versionEndExcluding": "6.12.106"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.18.47"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "7.1.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "7.2.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/881a805a8029ba48c0ce81c6674910f8d83f7afb"}, {"url": "https://git.kernel.org/stable/c/39fc615e355b65b8d43be30da57aa95ae6eaf688"}, {"url": "https://git.kernel.org/stable/c/f3868046e8e2e761d4d943a232bd109ff22a7d5b"}, {"url": "https://git.kernel.org/stable/c/ea081b4435515ac7177eb598a3c0678d1b9e7911"}, {"url": "https://git.kernel.org/stable/c/d92255b405fb6f5acca408239ccd742e0a42c9cb"}], "title": "net/ionic: avoid OOB TX partner lookup for hwstamp RXQ", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/pensando/ionic/ionic_lif.c", "drivers/net/ethernet/pensando/ionic/ionic_txrx.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "881a805a8029ba48c0ce81c6674910f8d83f7afb", "status": "affected", "version": "8eeed8373e1cca836799bf8e4a05cffa8e444908", "versionType": "git"}, {"lessThan": "39fc615e355b65b8d43be30da57aa95ae6eaf688", "status": "affected", "version": "8eeed8373e1cca836799bf8e4a05cffa8e444908", "versionType": "git"}, {"lessThan": "f3868046e8e2e761d4d943a232bd109ff22a7d5b", "status": "affected", "version": "8eeed8373e1cca836799bf8e4a05cffa8e444908", "versionType": "git"}, {"lessThan": "ea081b4435515ac7177eb598a3c0678d1b9e7911", "status": "affected", "version": "8eeed8373e1cca836799bf8e4a05cffa8e444908", "versionType": "git"}, {"lessThan": "d92255b405fb6f5acca408239ccd742e0a42c9cb", "status": "affected", "version": "8eeed8373e1cca836799bf8e4a05cffa8e444908", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/pensando/ionic/ionic_lif.c", "drivers/net/ethernet/pensando/ionic/ionic_txrx.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.9"}, {"lessThan": "6.9", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.106", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.47", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.11", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.1", "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/ionic: avoid OOB TX partner lookup for hwstamp RXQ\n\nThe dedicated hardware timestamp RX queue is allocated with q->index\nequal to lif->ionic->nrxqs_per_lif. The normal txqcqs array only\ncontains the regular queue pairs, so using that index to set rxq->partner\ncan read one entry past txqcqs[] and then write through the derived\npointer.\nOnly link RX/TX partners for normal queue-pair indexes. Leave the hwstamp\nRX queue unpaired, and make the XDP_TX path abort cleanly if an RX queue\nhas no TX partner."}], "id": "CVE-2026-80779", "lastModified": "2026-10-19T09:17:12.003", "metrics": {}, "published": "2026-09-04T16:18:03.607", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/39fc615e355b65b8d43be30da57aa95ae6eaf688"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/881a805a8029ba48c0ce81c6674910f8d83f7afb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d92255b405fb6f5acca408239ccd742e0a42c9cb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ea081b4435515ac7177eb598a3c0678d1b9e7911"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f3868046e8e2e761d4d943a232bd109ff22a7d5b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8eeed8373e1cca836799bf8e4a05cffa8e444908,881a805a8029ba48c0ce81c6674910f8d83f7afb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8eeed8373e1cca836799bf8e4a05cffa8e444908,39fc615e355b65b8d43be30da57aa95ae6eaf688)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8eeed8373e1cca836799bf8e4a05cffa8e444908,f3868046e8e2e761d4d943a232bd109ff22a7d5b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8eeed8373e1cca836799bf8e4a05cffa8e444908,ea081b4435515ac7177eb598a3c0678d1b9e7911)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8eeed8373e1cca836799bf8e4a05cffa8e444908,d92255b405fb6f5acca408239ccd742e0a42c9cb)"}}], "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": "6.9"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.9)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.106,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.47,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.11,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.1,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-04T17:15:14.591101+00:00", "updated": "2026-09-04T17:45:17.646088+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-787"]}