{"id":"CVE-2026-99206","state":"PUBLISHED","title":"scsi: target: iscsi: Fix race in discovery auth updates","description":"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 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.","publishedAt":"2026-10-28T10:35:59.851Z","updatedAt":"2026-10-30T12:42:55.447Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"128dfa7a9b4b3c956e8ac04a169a7ba04960cd75","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"35f3eb8ba914cbe079faf8712101b94ce6b2d821","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"3b206898acaf40f87cf59e97e511a6b60aad9d5e","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"57b6ebcc83afb5338c561ff97ca85dc954a89136","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"083eea404d162c324456cf4ff9912fe8701d936b","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"9b07828b133b326cb4fb59f144ca37f8db535999","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"6caa2b3edb7da4f50a38e16561b75fcae21d4099","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"e15b81f602edbdee39c335546f25486a1747f3f0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/target/iscsi/iscsi_target_configfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.1","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.161","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.115","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.59","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.13","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/target/iscsi/iscsi_target_configfs.c"]}],"references":["https://git.kernel.org/stable/c/128dfa7a9b4b3c956e8ac04a169a7ba04960cd75","https://git.kernel.org/stable/c/35f3eb8ba914cbe079faf8712101b94ce6b2d821","https://git.kernel.org/stable/c/3b206898acaf40f87cf59e97e511a6b60aad9d5e","https://git.kernel.org/stable/c/57b6ebcc83afb5338c561ff97ca85dc954a89136","https://git.kernel.org/stable/c/083eea404d162c324456cf4ff9912fe8701d936b","https://git.kernel.org/stable/c/9b07828b133b326cb4fb59f144ca37f8db535999","https://git.kernel.org/stable/c/6caa2b3edb7da4f50a38e16561b75fcae21d4099","https://git.kernel.org/stable/c/e15b81f602edbdee39c335546f25486a1747f3f0"],"weaknesses":[],"ingestedAt":"2026-10-30T13:02:04.640Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/99xxx/CVE-2026-99206.json","commit":"cb14bf1b43b0c9f05f7f40eae2246263fd430780","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-99206","state":"PUBLISHED","datePublished":"2026-10-28T10:35:59.851Z","dateUpdated":"2026-10-30T12:42:55.447Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.401Z"},"containers":{"cna":{"title":"scsi: target: iscsi: Fix race in discovery auth updates","descriptions":[{"lang":"en","value":"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 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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"128dfa7a9b4b3c956e8ac04a169a7ba04960cd75","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"35f3eb8ba914cbe079faf8712101b94ce6b2d821","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"3b206898acaf40f87cf59e97e511a6b60aad9d5e","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"57b6ebcc83afb5338c561ff97ca85dc954a89136","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"083eea404d162c324456cf4ff9912fe8701d936b","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"9b07828b133b326cb4fb59f144ca37f8db535999","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"6caa2b3edb7da4f50a38e16561b75fcae21d4099","versionType":"git"},{"version":"e48354ce078c079996f89d715dfa44814b4eba01","status":"affected","lessThan":"e15b81f602edbdee39c335546f25486a1747f3f0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/target/iscsi/iscsi_target_configfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.1","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.161","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.115","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.59","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.13","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/target/iscsi/iscsi_target_configfs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/128dfa7a9b4b3c956e8ac04a169a7ba04960cd75"},{"url":"https://git.kernel.org/stable/c/35f3eb8ba914cbe079faf8712101b94ce6b2d821"},{"url":"https://git.kernel.org/stable/c/3b206898acaf40f87cf59e97e511a6b60aad9d5e"},{"url":"https://git.kernel.org/stable/c/57b6ebcc83afb5338c561ff97ca85dc954a89136"},{"url":"https://git.kernel.org/stable/c/083eea404d162c324456cf4ff9912fe8701d936b"},{"url":"https://git.kernel.org/stable/c/9b07828b133b326cb4fb59f144ca37f8db535999"},{"url":"https://git.kernel.org/stable/c/6caa2b3edb7da4f50a38e16561b75fcae21d4099"},{"url":"https://git.kernel.org/stable/c/e15b81f602edbdee39c335546f25486a1747f3f0"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:42:55.447Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"5.10.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.6.161"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.12.115"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.18.59"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"7.2.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}