{"id":"CVE-2026-80790","revision":"141711e5648443ada7dff737c2b54edc","records":[{"revision":"141711e5648443ada7dff737c2b54edc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80790","aliases":[],"title":"nvmet-fc: fix invalid free in LS IOD error path","description":"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.","state":0,"publishedAt":"2026-09-04T15:13:02.193+00:00","modifiedAt":"2026-10-19T08:43:43.513+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/nvme/target/fc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c53432030d86429dc9fe5adc3d68cb9d1343b0b2\",\n                            \"lessThan\": \"b189c6e408896ccc23d2e76d7738847cdebf1532\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c53432030d86429dc9fe5adc3d68cb9d1343b0b2\",\n                            \"lessThan\": \"449e9c4f8db84ad9d9bb288029b230bcf590faa2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c53432030d86429dc9fe5adc3d68cb9d1343b0b2\",\n                            \"lessThan\": \"1a8f007faefe8c226ec65896589f8d59b0a8d5a5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c53432030d86429dc9fe5adc3d68cb9d1343b0b2\",\n                            \"lessThan\": \"d094582cce9c08516d714e7436a8f3b9211dda90\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c53432030d86429dc9fe5adc3d68cb9d1343b0b2\",\n                            \"lessThan\": \"371fb1bf902adaa59be32bd7e904a5317e604fd0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c53432030d86429dc9fe5adc3d68cb9d1343b0b2\",\n                            \"lessThan\": \"8bce9cd08aae4283badf8ddc11fbb6f57b75a81e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c53432030d86429dc9fe5adc3d68cb9d1343b0b2\",\n                            \"lessThan\": \"bb9489f0dce58da730d3479588d6710d7a2c1b45\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c53432030d86429dc9fe5adc3d68cb9d1343b0b2\",\n                            \"lessThan\": \"94334ea92f4d7535f66f86e33681efa94827eddc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c53432030d86429dc9fe5adc3d68cb9d1343b0b2\",\n                            \"lessThan\": \"ba98d6796d12258e837ece065d2ecb59d76ce4ff\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/nvme/target/fc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.10\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.10\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.267\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.218\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.185\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.154\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.106\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.47\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.11\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.1\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/b189c6e408896ccc23d2e76d7738847cdebf1532","https://git.kernel.org/stable/c/449e9c4f8db84ad9d9bb288029b230bcf590faa2","https://git.kernel.org/stable/c/1a8f007faefe8c226ec65896589f8d59b0a8d5a5","https://git.kernel.org/stable/c/d094582cce9c08516d714e7436a8f3b9211dda90","https://git.kernel.org/stable/c/371fb1bf902adaa59be32bd7e904a5317e604fd0","https://git.kernel.org/stable/c/8bce9cd08aae4283badf8ddc11fbb6f57b75a81e","https://git.kernel.org/stable/c/bb9489f0dce58da730d3479588d6710d7a2c1b45","https://git.kernel.org/stable/c/94334ea92f4d7535f66f86e33681efa94827eddc","https://git.kernel.org/stable/c/ba98d6796d12258e837ece065d2ecb59d76ce4ff"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80790","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80790","identifiers":["CVE-2026-80790"]},"retained":false,"historicalAffected":[]}],"coverage":[]}