{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80621","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-26T14:34:25.774Z","datePublished":"2026-08-28T06:48:41.081Z","dateUpdated":"2026-08-28T06:48:41.081Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-28T06:48:41.081Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: dwc: Avoid dwc_pcie_rasdes_debugfs_deinit() NULL dereference when no RAS DES capability\n\ndwc_pcie_rasdes_debugfs_init() returns success when the controller has no\nRAS DES capability, leaving pci->debugfs->rasdes_info unset. The common\ndebugfs teardown path still calls dwc_pcie_rasdes_debugfs_deinit(), which\ndereferences rasdes_info unconditionally.\n\nReturn early when no RAS DES state was allocated. In that case no RAS DES\nmutex was initialized, so there is nothing to destroy.\n\n[mani: reworded subject]"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/dwc/pcie-designware-debugfs.c"],"versions":[{"version":"4fbfa17f9a075593281034f566ca79cbf4930c82","lessThan":"514b84b1bf30f75f32c2fa66734dc1a177abb73e","status":"affected","versionType":"git"},{"version":"4fbfa17f9a075593281034f566ca79cbf4930c82","lessThan":"855870e8c59b97fd424e8fa3543c9e289bb48fac","status":"affected","versionType":"git"},{"version":"4fbfa17f9a075593281034f566ca79cbf4930c82","lessThan":"26b67fa10ef84ea667942491b50e6261a45f098d","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/controller/dwc/pcie-designware-debugfs.c"],"versions":[{"version":"6.15","status":"affected"},{"version":"0","lessThan":"6.15","status":"unaffected","versionType":"semver"},{"version":"6.18.40","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.5","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","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":"6.15","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/514b84b1bf30f75f32c2fa66734dc1a177abb73e"},{"url":"https://git.kernel.org/stable/c/855870e8c59b97fd424e8fa3543c9e289bb48fac"},{"url":"https://git.kernel.org/stable/c/26b67fa10ef84ea667942491b50e6261a45f098d"}],"title":"PCI: dwc: Avoid dwc_pcie_rasdes_debugfs_deinit() NULL dereference when no RAS DES capability","x_generator":{"engine":"bippy-1.2.0"}}}}