{"api_version":"1","generated_at":"2026-08-17T12:18:57+00:00","cve":"CVE-2026-72229","urls":{"html":"https://cve.report/CVE-2026-72229","api":"https://cve.report/api/cve/CVE-2026-72229.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72229","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72229"},"summary":{"title":"batman-adv: clean untagged VLAN on netdev registration failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: clean untagged VLAN on netdev registration failure\n\nWhen an mesh interface is registered, it creates an untagged struct\nbatadv_meshif_vlan on top of it via the NETDEV_REGISTER notifier. But in\nthis process, another receiver of this notification can veto the\nregistration. The netdev registration will be aborted because of this veto.\n\nThe register_netdevice() call will try to clean up the net_device using\nunregister_netdevice_queue() - which only uses the .priv_destructor to\nfree private resources. In this situation, .dellink will not be called.\n\nThe cleanup of the untagged batadv_meshif_vlan must thefore be done in the\ndestructor to avoid a leak of this object.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:21:49","updated_at":"2026-08-17 06:18:24"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/5a82c558098889cc8bfff85cc62f563833205d91","name":"https://git.kernel.org/stable/c/5a82c558098889cc8bfff85cc62f563833205d91","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/06ae245168268b705a204f93c318b30107d10e92","name":"https://git.kernel.org/stable/c/06ae245168268b705a204f93c318b30107d10e92","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c945f6007e7851e74706c72f98763023699bcd97","name":"https://git.kernel.org/stable/c/c945f6007e7851e74706c72f98763023699bcd97","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dbca15fcbeed5276af440a53aed3901590fa7fc9","name":"https://git.kernel.org/stable/c/dbca15fcbeed5276af440a53aed3901590fa7fc9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8669a550c752d86baebc5fdc83b8ff35c4372c0e","name":"https://git.kernel.org/stable/c/8669a550c752d86baebc5fdc83b8ff35c4372c0e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f2423da55976ea249f73029e468aefda4b94acba","name":"https://git.kernel.org/stable/c/f2423da55976ea249f73029e468aefda4b94acba","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/86e32dfb6a6fe29898f4a562b7b6e38e480bba4d","name":"https://git.kernel.org/stable/c/86e32dfb6a6fe29898f4a562b7b6e38e480bba4d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f15ca6250591cfe78408114a54eaa8d58da51bfa","name":"https://git.kernel.org/stable/c/f15ca6250591cfe78408114a54eaa8d58da51bfa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72229","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72229","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 86e32dfb6a6fe29898f4a562b7b6e38e480bba4d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 06ae245168268b705a204f93c318b30107d10e92 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 dbca15fcbeed5276af440a53aed3901590fa7fc9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5d2c05b213377694a2aa8ce1ed9b23f7c39b0569 f2423da55976ea249f73029e468aefda4b94acba git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.212 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"72229","cve":"CVE-2026-72229","epss":"0.002100000","percentile":"0.115870000","score_date":"2026-08-16","updated_at":"2026-08-17 00:01:05"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/batman-adv/main.c","net/batman-adv/mesh-interface.c","net/batman-adv/mesh-interface.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"86e32dfb6a6fe29898f4a562b7b6e38e480bba4d","status":"affected","version":"5d2c05b213377694a2aa8ce1ed9b23f7c39b0569","versionType":"git"},{"lessThan":"06ae245168268b705a204f93c318b30107d10e92","status":"affected","version":"5d2c05b213377694a2aa8ce1ed9b23f7c39b0569","versionType":"git"},{"lessThan":"dbca15fcbeed5276af440a53aed3901590fa7fc9","status":"affected","version":"5d2c05b213377694a2aa8ce1ed9b23f7c39b0569","versionType":"git"},{"lessThan":"f2423da55976ea249f73029e468aefda4b94acba","status":"affected","version":"5d2c05b213377694a2aa8ce1ed9b23f7c39b0569","versionType":"git"},{"lessThan":"f15ca6250591cfe78408114a54eaa8d58da51bfa","status":"affected","version":"5d2c05b213377694a2aa8ce1ed9b23f7c39b0569","versionType":"git"},{"lessThan":"c945f6007e7851e74706c72f98763023699bcd97","status":"affected","version":"5d2c05b213377694a2aa8ce1ed9b23f7c39b0569","versionType":"git"},{"lessThan":"5a82c558098889cc8bfff85cc62f563833205d91","status":"affected","version":"5d2c05b213377694a2aa8ce1ed9b23f7c39b0569","versionType":"git"},{"lessThan":"8669a550c752d86baebc5fdc83b8ff35c4372c0e","status":"affected","version":"5d2c05b213377694a2aa8ce1ed9b23f7c39b0569","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/batman-adv/main.c","net/batman-adv/mesh-interface.c","net/batman-adv/mesh-interface.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.13"},{"lessThan":"3.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.261","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"3.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"3.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: clean untagged VLAN on netdev registration failure\n\nWhen an mesh interface is registered, it creates an untagged struct\nbatadv_meshif_vlan on top of it via the NETDEV_REGISTER notifier. But in\nthis process, another receiver of this notification can veto the\nregistration. The netdev registration will be aborted because of this veto.\n\nThe register_netdevice() call will try to clean up the net_device using\nunregister_netdevice_queue() - which only uses the .priv_destructor to\nfree private resources. In this situation, .dellink will not be called.\n\nThe cleanup of the untagged batadv_meshif_vlan must thefore be done in the\ndestructor to avoid a leak of this object."}],"providerMetadata":{"dateUpdated":"2026-08-17T05:10:45.285Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/86e32dfb6a6fe29898f4a562b7b6e38e480bba4d"},{"url":"https://git.kernel.org/stable/c/06ae245168268b705a204f93c318b30107d10e92"},{"url":"https://git.kernel.org/stable/c/dbca15fcbeed5276af440a53aed3901590fa7fc9"},{"url":"https://git.kernel.org/stable/c/f2423da55976ea249f73029e468aefda4b94acba"},{"url":"https://git.kernel.org/stable/c/f15ca6250591cfe78408114a54eaa8d58da51bfa"},{"url":"https://git.kernel.org/stable/c/c945f6007e7851e74706c72f98763023699bcd97"},{"url":"https://git.kernel.org/stable/c/5a82c558098889cc8bfff85cc62f563833205d91"},{"url":"https://git.kernel.org/stable/c/8669a550c752d86baebc5fdc83b8ff35c4372c0e"}],"title":"batman-adv: clean untagged VLAN on netdev registration failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72229","datePublished":"2026-08-15T05:54:20.512Z","dateReserved":"2026-08-09T03:40:39.913Z","dateUpdated":"2026-08-17T05:10:45.285Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:21:49","lastModifiedDate":"2026-08-17 06:18:24","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72229","Ordinal":"1","Title":"batman-adv: clean untagged VLAN on netdev registration failure","CVE":"CVE-2026-72229","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72229","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: clean untagged VLAN on netdev registration failure\n\nWhen an mesh interface is registered, it creates an untagged struct\nbatadv_meshif_vlan on top of it via the NETDEV_REGISTER notifier. But in\nthis process, another receiver of this notification can veto the\nregistration. The netdev registration will be aborted because of this veto.\n\nThe register_netdevice() call will try to clean up the net_device using\nunregister_netdevice_queue() - which only uses the .priv_destructor to\nfree private resources. In this situation, .dellink will not be called.\n\nThe cleanup of the untagged batadv_meshif_vlan must thefore be done in the\ndestructor to avoid a leak of this object.","Type":"Description","Title":"batman-adv: clean untagged VLAN on netdev registration failure"}]}}}