{"id":"CVE-2026-99206","title":"scsi: target: iscsi: Fix race in discovery auth updates","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: iscsi: Fix race in discovery auth updates\n\nSeparate configfs opens can concurrently update the discovery AuthMethod\nparameter. Both callers may free the s…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= e48354ce078c079996f89d715dfa44814b4eba01 < 9b07828b133b326cb4fb59f144ca37f8db535999","Linux >= e48354ce078c079996f89d715dfa44814b4eba01 < 6caa2b3edb7da4f50a38e16561b75fcae21d4099","Linux >= e48354ce078c079996f89d715dfa44814b4eba01 < e15b81f602edbdee39c335546f25486a1747f3f0","Linux 3.1"],"published":"2026-10-28","updated":"2026-10-28","sourceUpdated":"2026-10-28T10:35:59.851Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-99206","references":[{"url":"https://git.kernel.org/stable/c/9b07828b133b326cb4fb59f144ca37f8db535999"},{"url":"https://git.kernel.org/stable/c/6caa2b3edb7da4f50a38e16561b75fcae21d4099"},{"url":"https://git.kernel.org/stable/c/e15b81f602edbdee39c335546f25486a1747f3f0"}],"tags":["cve.org"],"ingestedAt":"2026-10-28T11:09:40.361Z","slug":"CVE-2026-99206","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: iscsi: Fix race in discovery auth updates\n\nSeparate configfs opens can concurrently update the discovery AuthMethod\nparameter. Both callers may free the same value in\niscsi_update_param_value(), causing a double-free.\n\nProtect the lookup and replacement with the discovery TPG access lock,\nas used by the other TPG configfs parameter updates.\n\n## Affected\n\n- `Linux >= e48354ce078c079996f89d715dfa44814b4eba01 < 9b07828b133b326cb4fb59f144ca37f8db535999`\n- `Linux >= e48354ce078c079996f89d715dfa44814b4eba01 < 6caa2b3edb7da4f50a38e16561b75fcae21d4099`\n- `Linux >= e48354ce078c079996f89d715dfa44814b4eba01 < e15b81f602edbdee39c335546f25486a1747f3f0`\n- `Linux 3.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}