{"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"}}}}

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