{"id":"CVE-2026-23216","revision":null,"records":[{"revision":"13e5e684e8034e529b61872e6dd9ce99","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-23216","aliases":[],"title":"scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()\n\nIn iscsit_dec_conn_usage_count(), the function calls complete() while\nholding the conn->conn_usage_lock. As soon as complete() is invoked, the\nwaiter (such as iscsit_close_connection()) may wake up and proceed to free\nthe iscsit_conn structure.\n\nIf the waiter frees the memory before the current thread reaches\nspin_unlock_bh(), it results in a KASAN slab-use-after-free as the function\nattempts to release a lock within the already-freed connection structure.\n\nFix this by releasing the spinlock before calling complete().","state":0,"publishedAt":"2026-02-18T14:21:53.699+00:00","modifiedAt":"2026-10-19T18:35:39.164+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/target/iscsi/iscsi_target_util.c\"\n ],\n \"versions\": [\n {\n \"version\": \"e48354ce078c079996f89d715dfa44814b4eba01\",\n \"lessThan\": \"ba684191437380a07b27666eb4e72748be1ea201\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e48354ce078c079996f89d715dfa44814b4eba01\",\n \"lessThan\": \"8518f072fc92921418cd9ed4268dd4f3e9a8fd75\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e48354ce078c079996f89d715dfa44814b4eba01\",\n \"lessThan\": \"275016a551ba1a068a3bd6171b18611726b67110\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e48354ce078c079996f89d715dfa44814b4eba01\",\n \"lessThan\": \"73b487d44bf4f92942629d578381f89c326ff77f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e48354ce078c079996f89d715dfa44814b4eba01\",\n \"lessThan\": \"48fe983e92de2c59d143fe38362ad17ba23ec7f3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e48354ce078c079996f89d715dfa44814b4eba01\",\n \"lessThan\": \"3835e49e146a4e6e7787b29465f1a23379b6ec44\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e48354ce078c079996f89d715dfa44814b4eba01\",\n \"lessThan\": \"9411a89e9e7135cc459178fa77a3f1d6191ae903\",\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/target/iscsi/iscsi_target_util.c\"\n ],\n \"versions\": [\n {\n \"version\": \"3.1\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"3.1\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.250\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.200\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.163\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.124\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.70\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.10\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.19\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/ba684191437380a07b27666eb4e72748be1ea201","https://git.kernel.org/stable/c/8518f072fc92921418cd9ed4268dd4f3e9a8fd75","https://git.kernel.org/stable/c/275016a551ba1a068a3bd6171b18611726b67110","https://git.kernel.org/stable/c/73b487d44bf4f92942629d578381f89c326ff77f","https://git.kernel.org/stable/c/48fe983e92de2c59d143fe38362ad17ba23ec7f3","https://git.kernel.org/stable/c/3835e49e146a4e6e7787b29465f1a23379b6ec44","https://git.kernel.org/stable/c/9411a89e9e7135cc459178fa77a3f1d6191ae903"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-23216","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-23216","identifiers":["CVE-2026-23216"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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