{"api_version":"1","generated_at":"2026-05-13T06:36:50+00:00","cve":"CVE-2026-43382","urls":{"html":"https://cve.report/CVE-2026-43382","api":"https://cve.report/api/cve/CVE-2026-43382.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43382","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43382"},"summary":{"title":"batman-adv: Avoid double-rtnl_lock ELP metric worker","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: Avoid double-rtnl_lock ELP metric worker\n\nbatadv_v_elp_get_throughput() might be called when the RTNL lock is already\nheld. This could be problematic when the work queue item is cancelled via\ncancel_delayed_work_sync() in batadv_v_elp_iface_disable(). In this case,\nan rtnl_lock() would cause a deadlock.\n\nTo avoid this, rtnl_trylock() was used in this function to skip the\nretrieval of the ethtool information in case the RTNL lock was already\nheld.\n\nBut for cfg80211 interfaces, batadv_get_real_netdev() was called - which\nalso uses rtnl_lock(). The approach for __ethtool_get_link_ksettings() must\nalso be used instead and the lockless version __batadv_get_real_netdev()\nhas to be called.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-08 15:16:49","updated_at":"2026-05-12 14:10:27"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/cfc83a3c71517b59c1047db57da31e26a9dc2f33","name":"https://git.kernel.org/stable/c/cfc83a3c71517b59c1047db57da31e26a9dc2f33","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/77808fe7d03ad0062840b95f431869a8b3d88b24","name":"https://git.kernel.org/stable/c/77808fe7d03ad0062840b95f431869a8b3d88b24","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2ab9f2531d37775cd79228c1f5d80e6bd08d11d3","name":"https://git.kernel.org/stable/c/2ab9f2531d37775cd79228c1f5d80e6bd08d11d3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fa7b4edfbabdf9235b0ab4bea297fc12b3bec9ca","name":"https://git.kernel.org/stable/c/fa7b4edfbabdf9235b0ab4bea297fc12b3bec9ca","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4c3ae249431b4fcb315d7dfb4c3a13f9e443fd9b","name":"https://git.kernel.org/stable/c/4c3ae249431b4fcb315d7dfb4c3a13f9e443fd9b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b7e5d8ddfdf1d6e9e0808d1adf7736a107372d77","name":"https://git.kernel.org/stable/c/b7e5d8ddfdf1d6e9e0808d1adf7736a107372d77","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/192f40ad8a7dac58dae9199a065dbf7e6e67b75b","name":"https://git.kernel.org/stable/c/192f40ad8a7dac58dae9199a065dbf7e6e67b75b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f3ca45673dab0514a887231de6f3243a699d5bfd","name":"https://git.kernel.org/stable/c/f3ca45673dab0514a887231de6f3243a699d5bfd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43382","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43382","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a0019971f340ae02ba54cf1861f72da7e03e6b66 4c3ae249431b4fcb315d7dfb4c3a13f9e443fd9b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3c0e0aecb78cb2a2ca1dc701982d08fedb088dc6 192f40ad8a7dac58dae9199a065dbf7e6e67b75b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 781a06fd265a8151f7601122d9c2e985663828ff fa7b4edfbabdf9235b0ab4bea297fc12b3bec9ca git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a7aa2317285806640c844acd4cd2cd768e395264 f3ca45673dab0514a887231de6f3243a699d5bfd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0fdc3c166ac17b26014313fa2b93696354511b24 b7e5d8ddfdf1d6e9e0808d1adf7736a107372d77 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8c8ecc98f5c65947b0070a24bac11e12e47cc65d 2ab9f2531d37775cd79228c1f5d80e6bd08d11d3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8c8ecc98f5c65947b0070a24bac11e12e47cc65d 77808fe7d03ad0062840b95f431869a8b3d88b24 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8c8ecc98f5c65947b0070a24bac11e12e47cc65d cfc83a3c71517b59c1047db57da31e26a9dc2f33 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1c334629176c2d644befc31a20d4bf75542f7631 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected af264c2a9adc37f4bdf88ca7f3affa15d8c7de9e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.253 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.203 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.167 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.130 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.78 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.19 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.9 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"43382","cve":"CVE-2026-43382","epss":"0.000240000","percentile":"0.070360000","score_date":"2026-05-12","updated_at":"2026-05-13 00:11:53"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/batman-adv/bat_v_elp.c","net/batman-adv/hard-interface.c","net/batman-adv/hard-interface.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4c3ae249431b4fcb315d7dfb4c3a13f9e443fd9b","status":"affected","version":"a0019971f340ae02ba54cf1861f72da7e03e6b66","versionType":"git"},{"lessThan":"192f40ad8a7dac58dae9199a065dbf7e6e67b75b","status":"affected","version":"3c0e0aecb78cb2a2ca1dc701982d08fedb088dc6","versionType":"git"},{"lessThan":"fa7b4edfbabdf9235b0ab4bea297fc12b3bec9ca","status":"affected","version":"781a06fd265a8151f7601122d9c2e985663828ff","versionType":"git"},{"lessThan":"f3ca45673dab0514a887231de6f3243a699d5bfd","status":"affected","version":"a7aa2317285806640c844acd4cd2cd768e395264","versionType":"git"},{"lessThan":"b7e5d8ddfdf1d6e9e0808d1adf7736a107372d77","status":"affected","version":"0fdc3c166ac17b26014313fa2b93696354511b24","versionType":"git"},{"lessThan":"2ab9f2531d37775cd79228c1f5d80e6bd08d11d3","status":"affected","version":"8c8ecc98f5c65947b0070a24bac11e12e47cc65d","versionType":"git"},{"lessThan":"77808fe7d03ad0062840b95f431869a8b3d88b24","status":"affected","version":"8c8ecc98f5c65947b0070a24bac11e12e47cc65d","versionType":"git"},{"lessThan":"cfc83a3c71517b59c1047db57da31e26a9dc2f33","status":"affected","version":"8c8ecc98f5c65947b0070a24bac11e12e47cc65d","versionType":"git"},{"status":"affected","version":"1c334629176c2d644befc31a20d4bf75542f7631","versionType":"git"},{"status":"affected","version":"af264c2a9adc37f4bdf88ca7f3affa15d8c7de9e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/batman-adv/bat_v_elp.c","net/batman-adv/hard-interface.c","net/batman-adv/hard-interface.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.14"},{"lessThan":"6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.253","versionStartIncluding":"5.10.235","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.203","versionStartIncluding":"5.15.179","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.167","versionStartIncluding":"6.1.129","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.130","versionStartIncluding":"6.6.79","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.78","versionStartIncluding":"6.12.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.19","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.9","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.291","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: Avoid double-rtnl_lock ELP metric worker\n\nbatadv_v_elp_get_throughput() might be called when the RTNL lock is already\nheld. This could be problematic when the work queue item is cancelled via\ncancel_delayed_work_sync() in batadv_v_elp_iface_disable(). In this case,\nan rtnl_lock() would cause a deadlock.\n\nTo avoid this, rtnl_trylock() was used in this function to skip the\nretrieval of the ethtool information in case the RTNL lock was already\nheld.\n\nBut for cfg80211 interfaces, batadv_get_real_netdev() was called - which\nalso uses rtnl_lock(). The approach for __ethtool_get_link_ksettings() must\nalso be used instead and the lockless version __batadv_get_real_netdev()\nhas to be called."}],"providerMetadata":{"dateUpdated":"2026-05-11T22:23:30.493Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/4c3ae249431b4fcb315d7dfb4c3a13f9e443fd9b"},{"url":"https://git.kernel.org/stable/c/192f40ad8a7dac58dae9199a065dbf7e6e67b75b"},{"url":"https://git.kernel.org/stable/c/fa7b4edfbabdf9235b0ab4bea297fc12b3bec9ca"},{"url":"https://git.kernel.org/stable/c/f3ca45673dab0514a887231de6f3243a699d5bfd"},{"url":"https://git.kernel.org/stable/c/b7e5d8ddfdf1d6e9e0808d1adf7736a107372d77"},{"url":"https://git.kernel.org/stable/c/2ab9f2531d37775cd79228c1f5d80e6bd08d11d3"},{"url":"https://git.kernel.org/stable/c/77808fe7d03ad0062840b95f431869a8b3d88b24"},{"url":"https://git.kernel.org/stable/c/cfc83a3c71517b59c1047db57da31e26a9dc2f33"}],"title":"batman-adv: Avoid double-rtnl_lock ELP metric worker","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43382","datePublished":"2026-05-08T14:21:30.062Z","dateReserved":"2026-05-01T14:12:56.006Z","dateUpdated":"2026-05-11T22:23:30.493Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-08 15:16:49","lastModifiedDate":"2026-05-12 14:10:27","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43382","Ordinal":"1","Title":"batman-adv: Avoid double-rtnl_lock ELP metric worker","CVE":"CVE-2026-43382","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43382","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: Avoid double-rtnl_lock ELP metric worker\n\nbatadv_v_elp_get_throughput() might be called when the RTNL lock is already\nheld. This could be problematic when the work queue item is cancelled via\ncancel_delayed_work_sync() in batadv_v_elp_iface_disable(). In this case,\nan rtnl_lock() would cause a deadlock.\n\nTo avoid this, rtnl_trylock() was used in this function to skip the\nretrieval of the ethtool information in case the RTNL lock was already\nheld.\n\nBut for cfg80211 interfaces, batadv_get_real_netdev() was called - which\nalso uses rtnl_lock(). The approach for __ethtool_get_link_ksettings() must\nalso be used instead and the lockless version __batadv_get_real_netdev()\nhas to be called.","Type":"Description","Title":"batman-adv: Avoid double-rtnl_lock ELP metric worker"}]}}}