{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46142","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.100Z","datePublished":"2026-05-28T09:35:57.837Z","dateUpdated":"2026-06-14T17:57:38.598Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T17:57:38.598Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: libwx: fix VF illegal register access\n\nRegister WX_CFG_PORT_ST is a PF restricted register. When a VF is\ninitialized, attempting to read this register triggers an illegal\nregister access, which lead to a system hang.\n\nWhen the device is VF, the bus function ID can be obtained directly from\nthe PCI_FUNC(pdev->devfn)."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/wangxun/libwx/wx_hw.c"],"versions":[{"version":"d4187ec2641061748480cdc944fd07653fad50d5","lessThan":"d3bd8040497968f6f5470018724ef7b0df92f707","status":"affected","versionType":"git"},{"version":"f0b3ecdbb5bbee8ca6b2892aba3988c8a3ce858e","lessThan":"f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0","status":"affected","versionType":"git"},{"version":"a04ea57aae375bdda1cb57034d8bcbb351e1f973","lessThan":"33c5bb50b9c40e8451e6aec4487a31d794b98d92","status":"affected","versionType":"git"},{"version":"a04ea57aae375bdda1cb57034d8bcbb351e1f973","lessThan":"68a007a701bc06fa426507c551ef12514f2e721d","status":"affected","versionType":"git"},{"version":"a04ea57aae375bdda1cb57034d8bcbb351e1f973","lessThan":"694de316f607fe2473d52ca0707e3918e72c1562","status":"affected","versionType":"git"},{"version":"93e52b75f11a8f39b22993ae315b5b9a6b2668a3","status":"affected","versionType":"git"},{"version":"6.6.117","lessThan":"6.6.140","status":"affected","versionType":"semver"},{"version":"6.12.58","lessThan":"6.12.88","status":"affected","versionType":"semver"},{"version":"6.17.8","lessThan":"6.18","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/wangxun/libwx/wx_hw.c"],"versions":[{"version":"6.18","status":"affected"},{"version":"0","lessThan":"6.18","status":"unaffected","versionType":"semver"},{"version":"6.6.140","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.88","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.30","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.7","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":"6.6.117","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.58","versionEndExcluding":"6.12.88"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.0.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17.8"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d3bd8040497968f6f5470018724ef7b0df92f707"},{"url":"https://git.kernel.org/stable/c/f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0"},{"url":"https://git.kernel.org/stable/c/33c5bb50b9c40e8451e6aec4487a31d794b98d92"},{"url":"https://git.kernel.org/stable/c/68a007a701bc06fa426507c551ef12514f2e721d"},{"url":"https://git.kernel.org/stable/c/694de316f607fe2473d52ca0707e3918e72c1562"}],"title":"net: libwx: fix VF illegal register access","x_generator":{"engine":"bippy-1.2.0"}}}}