CVE-2026-90080

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90080", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.785Z", "datePublished": "2026-09-17T16:05:58.199Z", "dateUpdated": "2026-10-19T08:57:36.840Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:57:36.840Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-pf: fix NULL deref of af_xdp_zc_qidx on rep setup\n\naf_xdp_zc_qidx tracks receive queues using AF_XDP zero-copy and is\nallocated during PF/VF probe. Representors and other non-AF_XDP paths\nleave the pointer NULL, but several call sites used test_bit() on it\nunconditionally.\n\nSwitching to devlink eswitch mode creates representors and runs\notx2_init_hw_resources(), which reaches otx2_pool_aq_init() and oopses\nwhen dereferencing the NULL bitmap. Add NULL checks before every\naf_xdp_zc_qidx test_bit() use in the RSS, ethtool, XSK, and pool init\npaths."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c", "drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c", "drivers/net/ethernet/marvell/octeontx2/nic/otx2_xsk.c"], "versions": [{"version": "efabce29015189cb5cd8066cf29eb1d754de6c3c", "lessThan": "b003d5b4e46ca5033859db601e12d36da24d0e40", "status": "affected", "versionType": "git"}, {"version": "efabce29015189cb5cd8066cf29eb1d754de6c3c", "lessThan": "7e33c6bd049b532d2ec4916895ef07e538bed905", "status": "affected", "versionType": "git"}, {"version": "efabce29015189cb5cd8066cf29eb1d754de6c3c", "lessThan": "b09a0503c755b6609fad59a84cc7f05b6843a03c", "status": "affected", "versionType": "git"}, {"version": "9bd7273cf1f9c5761d696cca821d25602e8f7009", "status": "affected", "versionType": "git"}, {"version": "6.14.9", "lessThan": "6.15", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c", "drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c", "drivers/net/ethernet/marvell/octeontx2/nic/otx2_xsk.c"], "versions": [{"version": "6.15", "status": "affected"}, {"version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "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": "6.15", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14.9"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b003d5b4e46ca5033859db601e12d36da24d0e40"}, {"url": "https://git.kernel.org/stable/c/7e33c6bd049b532d2ec4916895ef07e538bed905"}, {"url": "https://git.kernel.org/stable/c/b09a0503c755b6609fad59a84cc7f05b6843a03c"}], "title": "octeontx2-pf: fix NULL deref of af_xdp_zc_qidx on rep setup", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c", "drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c", "drivers/net/ethernet/marvell/octeontx2/nic/otx2_xsk.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "b003d5b4e46ca5033859db601e12d36da24d0e40", "status": "affected", "version": "efabce29015189cb5cd8066cf29eb1d754de6c3c", "versionType": "git"}, {"lessThan": "7e33c6bd049b532d2ec4916895ef07e538bed905", "status": "affected", "version": "efabce29015189cb5cd8066cf29eb1d754de6c3c", "versionType": "git"}, {"lessThan": "b09a0503c755b6609fad59a84cc7f05b6843a03c", "status": "affected", "version": "efabce29015189cb5cd8066cf29eb1d754de6c3c", "versionType": "git"}, {"status": "affected", "version": "9bd7273cf1f9c5761d696cca821d25602e8f7009", "versionType": "git"}, {"lessThan": "6.15", "status": "affected", "version": "6.14.9", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c", "drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c", "drivers/net/ethernet/marvell/octeontx2/nic/otx2_xsk.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.15"}, {"lessThan": "6.15", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "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\nocteontx2-pf: fix NULL deref of af_xdp_zc_qidx on rep setup\n\naf_xdp_zc_qidx tracks receive queues using AF_XDP zero-copy and is\nallocated during PF/VF probe. Representors and other non-AF_XDP paths\nleave the pointer NULL, but several call sites used test_bit() on it\nunconditionally.\n\nSwitching to devlink eswitch mode creates representors and runs\notx2_init_hw_resources(), which reaches otx2_pool_aq_init() and oopses\nwhen dereferencing the NULL bitmap. Add NULL checks before every\naf_xdp_zc_qidx test_bit() use in the RSS, ethtool, XSK, and pool init\npaths."}], "id": "CVE-2026-90080", "lastModified": "2026-10-19T09:18:56.880", "metrics": {}, "published": "2026-09-17T17:16:57.317", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7e33c6bd049b532d2ec4916895ef07e538bed905"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b003d5b4e46ca5033859db601e12d36da24d0e40"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b09a0503c755b6609fad59a84cc7f05b6843a03c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[efabce29015189cb5cd8066cf29eb1d754de6c3c,b003d5b4e46ca5033859db601e12d36da24d0e40)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[efabce29015189cb5cd8066cf29eb1d754de6c3c,7e33c6bd049b532d2ec4916895ef07e538bed905)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[efabce29015189cb5cd8066cf29eb1d754de6c3c,b09a0503c755b6609fad59a84cc7f05b6843a03c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "9bd7273cf1f9c5761d696cca821d25602e8f7009"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[6.14.9,6.15)"}}], "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": "6.15"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.15)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.52,7.0.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2.6,7.3.0]"}}, {"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": "2026-09-18T14:15:09.501636+00:00", "updated": "2026-09-20T05:00:13.078611+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}