{"api_version":"1","generated_at":"2026-05-28T23:05:02+00:00","cve":"CVE-2026-46208","urls":{"html":"https://cve.report/CVE-2026-46208","api":"https://cve.report/api/cve/CVE-2026-46208.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46208","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46208"},"summary":{"title":"batman-adv: stop tp_meter sessions during mesh teardown","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: stop tp_meter sessions during mesh teardown\n\nTP meter sessions remain linked on bat_priv->tp_list after the netlink\nrequest has already finished. When the mesh interface is removed,\nbatadv_mesh_free() currently tears down the mesh without first draining\nthese sessions.\n\nA running sender thread or a late incoming tp_meter packet can then keep\nprocessing against a mesh instance which is already shutting down.\nSynchronize tp_meter with the mesh lifetime by stopping all active\nsessions from batadv_mesh_free() and waiting for sender threads to exit\nbefore teardown continues.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-28 10:16:36","updated_at":"2026-05-28 13:44:01"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/3d3cf6a7314aca4df0a6dde28ce784a2a30d0166","name":"https://git.kernel.org/stable/c/3d3cf6a7314aca4df0a6dde28ce784a2a30d0166","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/79bc0eaeef2c5797317bf2da8e3159a74d62ec47","name":"https://git.kernel.org/stable/c/79bc0eaeef2c5797317bf2da8e3159a74d62ec47","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/26dfeee8db81354bfdade155f27f9e16510ad196","name":"https://git.kernel.org/stable/c/26dfeee8db81354bfdade155f27f9e16510ad196","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/03660dab86f93319178a24667f6998526dc4355d","name":"https://git.kernel.org/stable/c/03660dab86f93319178a24667f6998526dc4355d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8634c1dbd73adb74d40533ebb7e914efb82e71fb","name":"https://git.kernel.org/stable/c/8634c1dbd73adb74d40533ebb7e914efb82e71fb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46208","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46208","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 33a3bb4a3345bb511f9c69c913da95d4693e2a4e 79bc0eaeef2c5797317bf2da8e3159a74d62ec47 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 33a3bb4a3345bb511f9c69c913da95d4693e2a4e 26dfeee8db81354bfdade155f27f9e16510ad196 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 33a3bb4a3345bb511f9c69c913da95d4693e2a4e 03660dab86f93319178a24667f6998526dc4355d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 33a3bb4a3345bb511f9c69c913da95d4693e2a4e 8634c1dbd73adb74d40533ebb7e914efb82e71fb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 33a3bb4a3345bb511f9c69c913da95d4693e2a4e 3d3cf6a7314aca4df0a6dde28ce784a2a30d0166 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.8","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.8 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.140 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.90 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.32 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.9 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1-rc4 * 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/main.c","net/batman-adv/tp_meter.c","net/batman-adv/tp_meter.h","net/batman-adv/types.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"79bc0eaeef2c5797317bf2da8e3159a74d62ec47","status":"affected","version":"33a3bb4a3345bb511f9c69c913da95d4693e2a4e","versionType":"git"},{"lessThan":"26dfeee8db81354bfdade155f27f9e16510ad196","status":"affected","version":"33a3bb4a3345bb511f9c69c913da95d4693e2a4e","versionType":"git"},{"lessThan":"03660dab86f93319178a24667f6998526dc4355d","status":"affected","version":"33a3bb4a3345bb511f9c69c913da95d4693e2a4e","versionType":"git"},{"lessThan":"8634c1dbd73adb74d40533ebb7e914efb82e71fb","status":"affected","version":"33a3bb4a3345bb511f9c69c913da95d4693e2a4e","versionType":"git"},{"lessThan":"3d3cf6a7314aca4df0a6dde28ce784a2a30d0166","status":"affected","version":"33a3bb4a3345bb511f9c69c913da95d4693e2a4e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/batman-adv/main.c","net/batman-adv/tp_meter.c","net/batman-adv/tp_meter.h","net/batman-adv/types.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.8"},{"lessThan":"4.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.140","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.90","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.32","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1-rc4","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.140","versionStartIncluding":"4.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.90","versionStartIncluding":"4.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.32","versionStartIncluding":"4.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.9","versionStartIncluding":"4.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc4","versionStartIncluding":"4.8","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: stop tp_meter sessions during mesh teardown\n\nTP meter sessions remain linked on bat_priv->tp_list after the netlink\nrequest has already finished. When the mesh interface is removed,\nbatadv_mesh_free() currently tears down the mesh without first draining\nthese sessions.\n\nA running sender thread or a late incoming tp_meter packet can then keep\nprocessing against a mesh instance which is already shutting down.\nSynchronize tp_meter with the mesh lifetime by stopping all active\nsessions from batadv_mesh_free() and waiting for sender threads to exit\nbefore teardown continues."}],"providerMetadata":{"dateUpdated":"2026-05-28T09:40:26.341Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/79bc0eaeef2c5797317bf2da8e3159a74d62ec47"},{"url":"https://git.kernel.org/stable/c/26dfeee8db81354bfdade155f27f9e16510ad196"},{"url":"https://git.kernel.org/stable/c/03660dab86f93319178a24667f6998526dc4355d"},{"url":"https://git.kernel.org/stable/c/8634c1dbd73adb74d40533ebb7e914efb82e71fb"},{"url":"https://git.kernel.org/stable/c/3d3cf6a7314aca4df0a6dde28ce784a2a30d0166"}],"title":"batman-adv: stop tp_meter sessions during mesh teardown","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46208","datePublished":"2026-05-28T09:40:26.341Z","dateReserved":"2026-05-13T15:03:33.105Z","dateUpdated":"2026-05-28T09:40:26.341Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-28 10:16:36","lastModifiedDate":"2026-05-28 13:44:01","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46208","Ordinal":"1","Title":"batman-adv: stop tp_meter sessions during mesh teardown","CVE":"CVE-2026-46208","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46208","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: stop tp_meter sessions during mesh teardown\n\nTP meter sessions remain linked on bat_priv->tp_list after the netlink\nrequest has already finished. When the mesh interface is removed,\nbatadv_mesh_free() currently tears down the mesh without first draining\nthese sessions.\n\nA running sender thread or a late incoming tp_meter packet can then keep\nprocessing against a mesh instance which is already shutting down.\nSynchronize tp_meter with the mesh lifetime by stopping all active\nsessions from batadv_mesh_free() and waiting for sender threads to exit\nbefore teardown continues.","Type":"Description","Title":"batman-adv: stop tp_meter sessions during mesh teardown"}]}}}