{"api_version":"1","generated_at":"2026-06-24T18:25:35+00:00","cve":"CVE-2026-52926","urls":{"html":"https://cve.report/CVE-2026-52926","api":"https://cve.report/api/cve/CVE-2026-52926.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-52926","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-52926"},"summary":{"title":"batman-adv: clear current gateway during teardown","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 08:16:22","updated_at":"2026-06-24 08:16:22"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/e2ec4c712d19141ca7bf7fbbb1d842f73abaa186","name":"https://git.kernel.org/stable/c/e2ec4c712d19141ca7bf7fbbb1d842f73abaa186","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/17e3a441111cd1a530cd6ee69a22f3161d80d810","name":"https://git.kernel.org/stable/c/17e3a441111cd1a530cd6ee69a22f3161d80d810","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/30bda3ef4b0cac777f1a7c314cd08b8ff6437365","name":"https://git.kernel.org/stable/c/30bda3ef4b0cac777f1a7c314cd08b8ff6437365","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a340a51ed801eab7bb454150c226323b865263cc","name":"https://git.kernel.org/stable/c/a340a51ed801eab7bb454150c226323b865263cc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9a1a8ed4facfe843bde6fdfcf7af0e9923eb2e17","name":"https://git.kernel.org/stable/c/9a1a8ed4facfe843bde6fdfcf7af0e9923eb2e17","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6de089b545db013433cf934bb4e4433dec2dd65f","name":"https://git.kernel.org/stable/c/6de089b545db013433cf934bb4e4433dec2dd65f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a3f3f1ec8aad84c5dd386c430b9c61cddd85b18f","name":"https://git.kernel.org/stable/c/a3f3f1ec8aad84c5dd386c430b9c61cddd85b18f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ae7aeb0ce3c0ebbe357ed525779acac197a18086","name":"https://git.kernel.org/stable/c/ae7aeb0ce3c0ebbe357ed525779acac197a18086","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-52926","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52926","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2265c141086474bbae55a5bb3afa1ebb78ccaa7c a3f3f1ec8aad84c5dd386c430b9c61cddd85b18f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2265c141086474bbae55a5bb3afa1ebb78ccaa7c e2ec4c712d19141ca7bf7fbbb1d842f73abaa186 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2265c141086474bbae55a5bb3afa1ebb78ccaa7c 9a1a8ed4facfe843bde6fdfcf7af0e9923eb2e17 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2265c141086474bbae55a5bb3afa1ebb78ccaa7c 6de089b545db013433cf934bb4e4433dec2dd65f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.209 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.175 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.142 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.92 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.34 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.11 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/batman-adv/gateway_client.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a3f3f1ec8aad84c5dd386c430b9c61cddd85b18f","status":"affected","version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","versionType":"git"},{"lessThan":"e2ec4c712d19141ca7bf7fbbb1d842f73abaa186","status":"affected","version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","versionType":"git"},{"lessThan":"9a1a8ed4facfe843bde6fdfcf7af0e9923eb2e17","status":"affected","version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","versionType":"git"},{"lessThan":"6de089b545db013433cf934bb4e4433dec2dd65f","status":"affected","version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","versionType":"git"},{"lessThan":"30bda3ef4b0cac777f1a7c314cd08b8ff6437365","status":"affected","version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","versionType":"git"},{"lessThan":"ae7aeb0ce3c0ebbe357ed525779acac197a18086","status":"affected","version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","versionType":"git"},{"lessThan":"17e3a441111cd1a530cd6ee69a22f3161d80d810","status":"affected","version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","versionType":"git"},{"lessThan":"a340a51ed801eab7bb454150c226323b865263cc","status":"affected","version":"2265c141086474bbae55a5bb3afa1ebb78ccaa7c","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/batman-adv/gateway_client.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.1"},{"lessThan":"3.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.142","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.258","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.209","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.142","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.92","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.34","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.11","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"3.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-06-24T07:14:20.057Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-52926","datePublished":"2026-06-24T07:14:20.057Z","dateReserved":"2026-06-09T07:44:35.368Z","dateUpdated":"2026-06-24T07:14:20.057Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 08:16:22","lastModifiedDate":"2026-06-24 08:16:22","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"52926","Ordinal":"1","Title":"batman-adv: clear current gateway during teardown","CVE":"CVE-2026-52926","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"52926","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"batman-adv: clear current gateway during teardown"}]}}}