{"id":"CVE-2025-68176","state":"PUBLISHED","title":"PCI: cadence: Check for the existence of cdns_pcie::ops before using it","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: cadence: Check for the existence of cdns_pcie::ops before using it\n\ncdns_pcie::ops might not be populated by all the Cadence glue drivers. This\nis going to be true for the upcoming Sophgo platform which doesn't set the\nops.\n\nHence, add a check to prevent NULL pointer dereference.\n\n[mani: reworded subject and description]","publishedAt":"2025-12-16T13:42:55.616Z","updatedAt":"2026-05-11T21:48:07.844Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"d5dbe92ac8a4ca6226093241f95f9cb1b0d2e0e1","versionType":"git"},{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"eb3d29ca0820fa3d7cccad47d2da56c9ab5469ed","versionType":"git"},{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"0d0bb756f002810d249caee51f3f1c309f3cdab5","versionType":"git"},{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"1810b2fd7375de88a74976dcd402b29088e479ed","versionType":"git"},{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"953eb3796ef06b8ea3bf6bdde14156255bc75866","versionType":"git"},{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"363448d069e29685ca37a118065121e486387af3","versionType":"git"},{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"49a6c160ad4812476f8ae1a8f4ed6d15adfa6c09","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/cadence/pcie-cadence-host.c","drivers/pci/controller/cadence/pcie-cadence.c","drivers/pci/controller/cadence/pcie-cadence.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.9","versionType":"semver"},{"version":"5.10.247","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.197","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.117","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.58","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/cadence/pcie-cadence-host.c","drivers/pci/controller/cadence/pcie-cadence.c","drivers/pci/controller/cadence/pcie-cadence.h"]}],"references":["https://git.kernel.org/stable/c/d5dbe92ac8a4ca6226093241f95f9cb1b0d2e0e1","https://git.kernel.org/stable/c/eb3d29ca0820fa3d7cccad47d2da56c9ab5469ed","https://git.kernel.org/stable/c/0d0bb756f002810d249caee51f3f1c309f3cdab5","https://git.kernel.org/stable/c/1810b2fd7375de88a74976dcd402b29088e479ed","https://git.kernel.org/stable/c/953eb3796ef06b8ea3bf6bdde14156255bc75866","https://git.kernel.org/stable/c/363448d069e29685ca37a118065121e486387af3","https://git.kernel.org/stable/c/49a6c160ad4812476f8ae1a8f4ed6d15adfa6c09"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68176.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68176","state":"PUBLISHED","datePublished":"2025-12-16T13:42:55.616Z","dateUpdated":"2026-05-11T21:48:07.844Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-16T13:41:40.251Z"},"containers":{"cna":{"title":"PCI: cadence: Check for the existence of cdns_pcie::ops before using it","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: cadence: Check for the existence of cdns_pcie::ops before using it\n\ncdns_pcie::ops might not be populated by all the Cadence glue drivers. This\nis going to be true for the upcoming Sophgo platform which doesn't set the\nops.\n\nHence, add a check to prevent NULL pointer dereference.\n\n[mani: reworded subject and description]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"d5dbe92ac8a4ca6226093241f95f9cb1b0d2e0e1","versionType":"git"},{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"eb3d29ca0820fa3d7cccad47d2da56c9ab5469ed","versionType":"git"},{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"0d0bb756f002810d249caee51f3f1c309f3cdab5","versionType":"git"},{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"1810b2fd7375de88a74976dcd402b29088e479ed","versionType":"git"},{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"953eb3796ef06b8ea3bf6bdde14156255bc75866","versionType":"git"},{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"363448d069e29685ca37a118065121e486387af3","versionType":"git"},{"version":"40d957e6f9eb3a8a585007b8b730340c829afbdb","status":"affected","lessThan":"49a6c160ad4812476f8ae1a8f4ed6d15adfa6c09","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/cadence/pcie-cadence-host.c","drivers/pci/controller/cadence/pcie-cadence.c","drivers/pci/controller/cadence/pcie-cadence.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.9","versionType":"semver"},{"version":"5.10.247","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.197","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.117","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.58","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.8","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/cadence/pcie-cadence-host.c","drivers/pci/controller/cadence/pcie-cadence.c","drivers/pci/controller/cadence/pcie-cadence.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/d5dbe92ac8a4ca6226093241f95f9cb1b0d2e0e1"},{"url":"https://git.kernel.org/stable/c/eb3d29ca0820fa3d7cccad47d2da56c9ab5469ed"},{"url":"https://git.kernel.org/stable/c/0d0bb756f002810d249caee51f3f1c309f3cdab5"},{"url":"https://git.kernel.org/stable/c/1810b2fd7375de88a74976dcd402b29088e479ed"},{"url":"https://git.kernel.org/stable/c/953eb3796ef06b8ea3bf6bdde14156255bc75866"},{"url":"https://git.kernel.org/stable/c/363448d069e29685ca37a118065121e486387af3"},{"url":"https://git.kernel.org/stable/c/49a6c160ad4812476f8ae1a8f4ed6d15adfa6c09"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:48:07.844Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"5.10.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"5.15.197"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.1.159"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.6.117"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.12.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.17.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}