{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-52926","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.368Z","datePublished":"2026-06-24T07:14:20.057Z","dateUpdated":"2026-06-24T07:14:20.057Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-24T07:14:20.057Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: clear current gateway during teardown\n\nbatadv_gw_node_free() removes the gateway list entries during mesh teardown,\nbut it does not clear the currently selected gateway. This leaves stale\ngateway state behind across cleanup and can break a later mesh recreation.\n\nClear bat_priv->gw.curr_gw before walking the gateway list so the selected\ngateway reference is dropped as part of teardown."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/batman-adv/gateway_client.c"],"versions":[{"version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","lessThan":"a3f3f1ec8aad84c5dd386c430b9c61cddd85b18f","status":"affected","versionType":"git"},{"version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","lessThan":"e2ec4c712d19141ca7bf7fbbb1d842f73abaa186","status":"affected","versionType":"git"},{"version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","lessThan":"9a1a8ed4facfe843bde6fdfcf7af0e9923eb2e17","status":"affected","versionType":"git"},{"version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","lessThan":"6de089b545db013433cf934bb4e4433dec2dd65f","status":"affected","versionType":"git"},{"version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","lessThan":"30bda3ef4b0cac777f1a7c314cd08b8ff6437365","status":"affected","versionType":"git"},{"version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","lessThan":"ae7aeb0ce3c0ebbe357ed525779acac197a18086","status":"affected","versionType":"git"},{"version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","lessThan":"17e3a441111cd1a530cd6ee69a22f3161d80d810","status":"affected","versionType":"git"},{"version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","lessThan":"a340a51ed801eab7bb454150c226323b865263cc","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/batman-adv/gateway_client.c"],"versions":[{"version":"3.1","status":"affected"},{"version":"0","lessThan":"3.1","status":"unaffected","versionType":"semver"},{"version":"5.10.258","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.209","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.175","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.142","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.92","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.34","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.11","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","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":"3.1","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.6.142"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.12.92"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.18.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"7.0.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/a3f3f1ec8aad84c5dd386c430b9c61cddd85b18f"},{"url":"https://git.kernel.org/stable/c/e2ec4c712d19141ca7bf7fbbb1d842f73abaa186"},{"url":"https://git.kernel.org/stable/c/9a1a8ed4facfe843bde6fdfcf7af0e9923eb2e17"},{"url":"https://git.kernel.org/stable/c/6de089b545db013433cf934bb4e4433dec2dd65f"},{"url":"https://git.kernel.org/stable/c/30bda3ef4b0cac777f1a7c314cd08b8ff6437365"},{"url":"https://git.kernel.org/stable/c/ae7aeb0ce3c0ebbe357ed525779acac197a18086"},{"url":"https://git.kernel.org/stable/c/17e3a441111cd1a530cd6ee69a22f3161d80d810"},{"url":"https://git.kernel.org/stable/c/a340a51ed801eab7bb454150c226323b865263cc"}],"title":"batman-adv: clear current gateway during teardown","x_generator":{"engine":"bippy-1.2.0"}}}}