CVE-2026-80790

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80790", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.793Z", "datePublished": "2026-09-04T15:13:02.193Z", "dateUpdated": "2026-10-19T08:43:43.513Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:43:43.513Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-fc: fix invalid free in LS IOD error path\n\nnvmet_fc_alloc_ls_iodlist() advances iod while initializing the LS IOD\narray. If an rqstbuf allocation or response buffer DMA mapping fails,\nthe unwind loop decrements iod past the start of the array. The final\nkfree(iod) therefore frees an address before the allocated object.\n\nThis can be reproduced with nvme-fcloop and failslab by setting\nfail-nth to 6 before creating a target port. KASAN reports:\n\n BUG: KASAN: invalid-free in nvmet_fc_register_targetport\n Free of addr ffff88816cf8ff48 by task nvmet_fail_nth/9552\n\nFree the original allocation base stored in tgtport->iod instead. With\nthis fix applied, the same sysfs write with fail-nth=6 returns -ENOMEM\nwithout any KASAN report."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/nvme/target/fc.c"], "versions": [{"version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "lessThan": "b189c6e408896ccc23d2e76d7738847cdebf1532", "status": "affected", "versionType": "git"}, {"version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "lessThan": "449e9c4f8db84ad9d9bb288029b230bcf590faa2", "status": "affected", "versionType": "git"}, {"version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "lessThan": "1a8f007faefe8c226ec65896589f8d59b0a8d5a5", "status": "affected", "versionType": "git"}, {"version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "lessThan": "d094582cce9c08516d714e7436a8f3b9211dda90", "status": "affected", "versionType": "git"}, {"version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "lessThan": "371fb1bf902adaa59be32bd7e904a5317e604fd0", "status": "affected", "versionType": "git"}, {"version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "lessThan": "8bce9cd08aae4283badf8ddc11fbb6f57b75a81e", "status": "affected", "versionType": "git"}, {"version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "lessThan": "bb9489f0dce58da730d3479588d6710d7a2c1b45", "status": "affected", "versionType": "git"}, {"version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "lessThan": "94334ea92f4d7535f66f86e33681efa94827eddc", "status": "affected", "versionType": "git"}, {"version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "lessThan": "ba98d6796d12258e837ece065d2ecb59d76ce4ff", "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/nvme/target/fc.c"], "versions": [{"version": "4.10", "status": "affected"}, {"version": "0", "lessThan": "4.10", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.267", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.218", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.185", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.154", "lessThanOrEqual": "6.6.*", "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": "4.10", "versionEndExcluding": "5.10.267"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "5.15.218"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "6.1.185"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "6.6.154"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "6.12.106"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "6.18.47"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "7.1.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "7.2.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b189c6e408896ccc23d2e76d7738847cdebf1532"}, {"url": "https://git.kernel.org/stable/c/449e9c4f8db84ad9d9bb288029b230bcf590faa2"}, {"url": "https://git.kernel.org/stable/c/1a8f007faefe8c226ec65896589f8d59b0a8d5a5"}, {"url": "https://git.kernel.org/stable/c/d094582cce9c08516d714e7436a8f3b9211dda90"}, {"url": "https://git.kernel.org/stable/c/371fb1bf902adaa59be32bd7e904a5317e604fd0"}, {"url": "https://git.kernel.org/stable/c/8bce9cd08aae4283badf8ddc11fbb6f57b75a81e"}, {"url": "https://git.kernel.org/stable/c/bb9489f0dce58da730d3479588d6710d7a2c1b45"}, {"url": "https://git.kernel.org/stable/c/94334ea92f4d7535f66f86e33681efa94827eddc"}, {"url": "https://git.kernel.org/stable/c/ba98d6796d12258e837ece065d2ecb59d76ce4ff"}], "title": "nvmet-fc: fix invalid free in LS IOD error path", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/nvme/target/fc.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "b189c6e408896ccc23d2e76d7738847cdebf1532", "status": "affected", "version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "versionType": "git"}, {"lessThan": "449e9c4f8db84ad9d9bb288029b230bcf590faa2", "status": "affected", "version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "versionType": "git"}, {"lessThan": "1a8f007faefe8c226ec65896589f8d59b0a8d5a5", "status": "affected", "version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "versionType": "git"}, {"lessThan": "d094582cce9c08516d714e7436a8f3b9211dda90", "status": "affected", "version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "versionType": "git"}, {"lessThan": "371fb1bf902adaa59be32bd7e904a5317e604fd0", "status": "affected", "version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "versionType": "git"}, {"lessThan": "8bce9cd08aae4283badf8ddc11fbb6f57b75a81e", "status": "affected", "version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "versionType": "git"}, {"lessThan": "bb9489f0dce58da730d3479588d6710d7a2c1b45", "status": "affected", "version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "versionType": "git"}, {"lessThan": "94334ea92f4d7535f66f86e33681efa94827eddc", "status": "affected", "version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "versionType": "git"}, {"lessThan": "ba98d6796d12258e837ece065d2ecb59d76ce4ff", "status": "affected", "version": "c53432030d86429dc9fe5adc3d68cb9d1343b0b2", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/nvme/target/fc.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.10"}, {"lessThan": "4.10", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.267", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.218", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.185", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.154", "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\nnvmet-fc: fix invalid free in LS IOD error path\n\nnvmet_fc_alloc_ls_iodlist() advances iod while initializing the LS IOD\narray. If an rqstbuf allocation or response buffer DMA mapping fails,\nthe unwind loop decrements iod past the start of the array. The final\nkfree(iod) therefore frees an address before the allocated object.\n\nThis can be reproduced with nvme-fcloop and failslab by setting\nfail-nth to 6 before creating a target port. KASAN reports:\n\n BUG: KASAN: invalid-free in nvmet_fc_register_targetport\n Free of addr ffff88816cf8ff48 by task nvmet_fail_nth/9552\n\nFree the original allocation base stored in tgtport->iod instead. With\nthis fix applied, the same sysfs write with fail-nth=6 returns -ENOMEM\nwithout any KASAN report."}], "id": "CVE-2026-80790", "lastModified": "2026-10-19T09:17:13.083", "metrics": {}, "published": "2026-09-04T16:18:05.167", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1a8f007faefe8c226ec65896589f8d59b0a8d5a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/371fb1bf902adaa59be32bd7e904a5317e604fd0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/449e9c4f8db84ad9d9bb288029b230bcf590faa2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8bce9cd08aae4283badf8ddc11fbb6f57b75a81e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/94334ea92f4d7535f66f86e33681efa94827eddc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b189c6e408896ccc23d2e76d7738847cdebf1532"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ba98d6796d12258e837ece065d2ecb59d76ce4ff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bb9489f0dce58da730d3479588d6710d7a2c1b45"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d094582cce9c08516d714e7436a8f3b9211dda90"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c53432030d86429dc9fe5adc3d68cb9d1343b0b2,b189c6e408896ccc23d2e76d7738847cdebf1532]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c53432030d86429dc9fe5adc3d68cb9d1343b0b2,449e9c4f8db84ad9d9bb288029b230bcf590faa2]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c53432030d86429dc9fe5adc3d68cb9d1343b0b2,1a8f007faefe8c226ec65896589f8d59b0a8d5a5]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c53432030d86429dc9fe5adc3d68cb9d1343b0b2,d094582cce9c08516d714e7436a8f3b9211dda90]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c53432030d86429dc9fe5adc3d68cb9d1343b0b2,371fb1bf902adaa59be32bd7e904a5317e604fd0]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c53432030d86429dc9fe5adc3d68cb9d1343b0b2,8bce9cd08aae4283badf8ddc11fbb6f57b75a81e]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c53432030d86429dc9fe5adc3d68cb9d1343b0b2,bb9489f0dce58da730d3479588d6710d7a2c1b45]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c53432030d86429dc9fe5adc3d68cb9d1343b0b2,94334ea92f4d7535f66f86e33681efa94827eddc]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c53432030d86429dc9fe5adc3d68cb9d1343b0b2,ba98d6796d12258e837ece065d2ecb59d76ce4ff]"}}], "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": "4.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.10.267,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.218,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.185,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.154,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.106,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.47,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.11,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2.1,7.2.*]"}}, {"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": "2026-09-04T18:00:04.931223+00:00", "updated": "2026-09-04T19:00:13.157553+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416"]}