{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43103","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:55.984Z","datePublished":"2026-05-06T07:40:32.357Z","dateUpdated":"2026-05-11T22:17:47.508Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:17:47.508Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lapbether: handle NETDEV_PRE_TYPE_CHANGE\n\nlapbeth_data_transmit() expects the underlying device type\nto be ARPHRD_ETHER.\n\nReturning NOTIFY_BAD from lapbeth_device_event() makes sure\nbonding driver can not break this expectation."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wan/lapbether.c"],"versions":[{"version":"872254dd6b1f80cb95ee9e2e22980888533fc293","lessThan":"363a38044b8cd5b496d241651a1fb666e7c5fe3e","status":"affected","versionType":"git"},{"version":"872254dd6b1f80cb95ee9e2e22980888533fc293","lessThan":"328bb2cff5c2ed973f595ded769e15f4b7a117be","status":"affected","versionType":"git"},{"version":"872254dd6b1f80cb95ee9e2e22980888533fc293","lessThan":"63851f60781aa89258c8f0952cd13940aab0888e","status":"affected","versionType":"git"},{"version":"872254dd6b1f80cb95ee9e2e22980888533fc293","lessThan":"b117056768ab7deb434e7d72065e48d2083a0c2a","status":"affected","versionType":"git"},{"version":"872254dd6b1f80cb95ee9e2e22980888533fc293","lessThan":"b120e4432f9f56c7103133d6a11245e617695adb","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wan/lapbether.c"],"versions":[{"version":"2.6.24","status":"affected"},{"version":"0","lessThan":"2.6.24","status":"unaffected","versionType":"semver"},{"version":"6.6.136","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.83","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.24","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.14","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"2.6.24","versionEndExcluding":"6.6.136"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.12.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.18.24"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.19.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/363a38044b8cd5b496d241651a1fb666e7c5fe3e"},{"url":"https://git.kernel.org/stable/c/328bb2cff5c2ed973f595ded769e15f4b7a117be"},{"url":"https://git.kernel.org/stable/c/63851f60781aa89258c8f0952cd13940aab0888e"},{"url":"https://git.kernel.org/stable/c/b117056768ab7deb434e7d72065e48d2083a0c2a"},{"url":"https://git.kernel.org/stable/c/b120e4432f9f56c7103133d6a11245e617695adb"}],"title":"net: lapbether: handle NETDEV_PRE_TYPE_CHANGE","x_generator":{"engine":"bippy-1.2.0"}}}}