{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46009","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.092Z","datePublished":"2026-05-27T12:56:09.581Z","dateUpdated":"2026-06-14T17:47:44.154Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T17:47:44.154Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: pci-epf-ntb: Remove duplicate resource teardown\n\nepf_ntb_epc_destroy() duplicates the teardown that the caller is\nsupposed to do later. This leads to an oops when .allow_link fails or\nwhen .drop_link is performed. Remove the helper.\n\nAlso drop pci_epc_put(). EPC device refcounting is tied to configfs EPC\ngroup lifetime, and pci_epc_put() in the .drop_link path is sufficient."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/endpoint/functions/pci-epf-ntb.c"],"versions":[{"version":"8b821cf761503b80d0bd052f932adfe1bc1a0088","lessThan":"c3029721b84f59e790285ad27544ed5d3cb0f2a6","status":"affected","versionType":"git"},{"version":"8b821cf761503b80d0bd052f932adfe1bc1a0088","lessThan":"c72f6a7ea638f95c486a5cfd86e567b646027687","status":"affected","versionType":"git"},{"version":"8b821cf761503b80d0bd052f932adfe1bc1a0088","lessThan":"72099f015d3c77bf2eb703d1aab113bd7a60915a","status":"affected","versionType":"git"},{"version":"8b821cf761503b80d0bd052f932adfe1bc1a0088","lessThan":"756ca5e7ed22d9045bb4de4c981f9149278d5cd3","status":"affected","versionType":"git"},{"version":"8b821cf761503b80d0bd052f932adfe1bc1a0088","lessThan":"65fc57c8b8f0b31be62be291cb1bb01755cec85d","status":"affected","versionType":"git"},{"version":"8b821cf761503b80d0bd052f932adfe1bc1a0088","lessThan":"e813c95e4c8edd31599081e6356e20ada30e266d","status":"affected","versionType":"git"},{"version":"8b821cf761503b80d0bd052f932adfe1bc1a0088","lessThan":"3446beddba450c8d6f9aca2f028712ac527fead3","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/pci/endpoint/functions/pci-epf-ntb.c"],"versions":[{"version":"5.12","status":"affected"},{"version":"0","lessThan":"5.12","status":"unaffected","versionType":"semver"},{"version":"5.15.209","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.175","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.140","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.86","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.27","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.4","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":"5.12","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.12.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.18.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"7.0.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/c3029721b84f59e790285ad27544ed5d3cb0f2a6"},{"url":"https://git.kernel.org/stable/c/c72f6a7ea638f95c486a5cfd86e567b646027687"},{"url":"https://git.kernel.org/stable/c/72099f015d3c77bf2eb703d1aab113bd7a60915a"},{"url":"https://git.kernel.org/stable/c/756ca5e7ed22d9045bb4de4c981f9149278d5cd3"},{"url":"https://git.kernel.org/stable/c/65fc57c8b8f0b31be62be291cb1bb01755cec85d"},{"url":"https://git.kernel.org/stable/c/e813c95e4c8edd31599081e6356e20ada30e266d"},{"url":"https://git.kernel.org/stable/c/3446beddba450c8d6f9aca2f028712ac527fead3"}],"title":"PCI: endpoint: pci-epf-ntb: Remove duplicate resource teardown","x_generator":{"engine":"bippy-1.2.0"}}}}