{"id":"CVE-2026-43346","state":"PUBLISHED","title":"ice: ptp: don't WARN when controlling PF is unavailable","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: ptp: don't WARN when controlling PF is unavailable\n\nIn VFIO passthrough setups, it is possible to pass through only a PF\nwhich doesn't own the source timer. In that case the PTP controlling PF\n(adapter->ctrl_pf) is never initialized in the VM, so ice_get_ctrl_ptp()\nreturns NULL and triggers WARN_ON() in ice_ptp_setup_pf().\n\nSince this is an expected behavior in that configuration, replace\nWARN_ON() with an informational message and return -EOPNOTSUPP.","publishedAt":"2026-05-08T13:39:31.930Z","updatedAt":"2026-10-21T12:40:41.560Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2f59743be4d9568cad2d9cf697d1b897975421ed","status":"affected","lessThan":"228497715a162d040df1617e62c3b7d0df54b235","versionType":"git"},{"version":"e800654e85b5b27966fc6493201f5f8cf658beb6","status":"affected","lessThan":"e19675b384e9dcaca1bd5e4a67b8ad136eccfbe8","versionType":"git"},{"version":"e800654e85b5b27966fc6493201f5f8cf658beb6","status":"affected","lessThan":"c73f365707d3b1b78b7d16e1f029020d1ae50d0f","versionType":"git"},{"version":"e800654e85b5b27966fc6493201f5f8cf658beb6","status":"affected","lessThan":"bb3f21edc7056cdf44a7f7bd7ba65af40741838c","versionType":"git"},{"version":"6.12.11","status":"affected","lessThan":"6.12.114","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/ice/ice_ptp.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.24","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.14","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/ice/ice_ptp.c"]}],"references":["https://git.kernel.org/stable/c/228497715a162d040df1617e62c3b7d0df54b235","https://git.kernel.org/stable/c/e19675b384e9dcaca1bd5e4a67b8ad136eccfbe8","https://git.kernel.org/stable/c/c73f365707d3b1b78b7d16e1f029020d1ae50d0f","https://git.kernel.org/stable/c/bb3f21edc7056cdf44a7f7bd7ba65af40741838c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43346.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43346","state":"PUBLISHED","datePublished":"2026-05-08T13:39:31.930Z","dateUpdated":"2026-10-21T12:40:41.560Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:56.003Z"},"containers":{"cna":{"title":"ice: ptp: don't WARN when controlling PF is unavailable","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: ptp: don't WARN when controlling PF is unavailable\n\nIn VFIO passthrough setups, it is possible to pass through only a PF\nwhich doesn't own the source timer. In that case the PTP controlling PF\n(adapter->ctrl_pf) is never initialized in the VM, so ice_get_ctrl_ptp()\nreturns NULL and triggers WARN_ON() in ice_ptp_setup_pf().\n\nSince this is an expected behavior in that configuration, replace\nWARN_ON() with an informational message and return -EOPNOTSUPP."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2f59743be4d9568cad2d9cf697d1b897975421ed","status":"affected","lessThan":"228497715a162d040df1617e62c3b7d0df54b235","versionType":"git"},{"version":"e800654e85b5b27966fc6493201f5f8cf658beb6","status":"affected","lessThan":"e19675b384e9dcaca1bd5e4a67b8ad136eccfbe8","versionType":"git"},{"version":"e800654e85b5b27966fc6493201f5f8cf658beb6","status":"affected","lessThan":"c73f365707d3b1b78b7d16e1f029020d1ae50d0f","versionType":"git"},{"version":"e800654e85b5b27966fc6493201f5f8cf658beb6","status":"affected","lessThan":"bb3f21edc7056cdf44a7f7bd7ba65af40741838c","versionType":"git"},{"version":"6.12.11","status":"affected","lessThan":"6.12.114","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/ice/ice_ptp.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.24","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.14","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/ice/ice_ptp.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/228497715a162d040df1617e62c3b7d0df54b235"},{"url":"https://git.kernel.org/stable/c/e19675b384e9dcaca1bd5e4a67b8ad136eccfbe8"},{"url":"https://git.kernel.org/stable/c/c73f365707d3b1b78b7d16e1f029020d1ae50d0f"},{"url":"https://git.kernel.org/stable/c/bb3f21edc7056cdf44a7f7bd7ba65af40741838c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-21T12:40:41.560Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.11","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.24"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.19.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}