{"api_version":"1","generated_at":"2026-05-12T13:31:36+00:00","cve":"CVE-2026-43346","urls":{"html":"https://cve.report/CVE-2026-43346","api":"https://cve.report/api/cve/CVE-2026-43346.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43346","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43346"},"summary":{"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-08 14:16:44","updated_at":"2026-05-08 14:16:44"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/bb3f21edc7056cdf44a7f7bd7ba65af40741838c","name":"https://git.kernel.org/stable/c/bb3f21edc7056cdf44a7f7bd7ba65af40741838c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c73f365707d3b1b78b7d16e1f029020d1ae50d0f","name":"https://git.kernel.org/stable/c/c73f365707d3b1b78b7d16e1f029020d1ae50d0f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e19675b384e9dcaca1bd5e4a67b8ad136eccfbe8","name":"https://git.kernel.org/stable/c/e19675b384e9dcaca1bd5e4a67b8ad136eccfbe8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43346","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43346","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e800654e85b5b27966fc6493201f5f8cf658beb6 e19675b384e9dcaca1bd5e4a67b8ad136eccfbe8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e800654e85b5b27966fc6493201f5f8cf658beb6 c73f365707d3b1b78b7d16e1f029020d1ae50d0f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e800654e85b5b27966fc6493201f5f8cf658beb6 bb3f21edc7056cdf44a7f7bd7ba65af40741838c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2f59743be4d9568cad2d9cf697d1b897975421ed git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.24 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.14 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"43346","cve":"CVE-2026-43346","epss":"0.000170000","percentile":"0.041290000","score_date":"2026-05-11","updated_at":"2026-05-12 00:01:18"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/intel/ice/ice_ptp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e19675b384e9dcaca1bd5e4a67b8ad136eccfbe8","status":"affected","version":"e800654e85b5b27966fc6493201f5f8cf658beb6","versionType":"git"},{"lessThan":"c73f365707d3b1b78b7d16e1f029020d1ae50d0f","status":"affected","version":"e800654e85b5b27966fc6493201f5f8cf658beb6","versionType":"git"},{"lessThan":"bb3f21edc7056cdf44a7f7bd7ba65af40741838c","status":"affected","version":"e800654e85b5b27966fc6493201f5f8cf658beb6","versionType":"git"},{"status":"affected","version":"2f59743be4d9568cad2d9cf697d1b897975421ed","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/intel/ice/ice_ptp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.24","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.24","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.14","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-05-08T13:39:31.930Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e19675b384e9dcaca1bd5e4a67b8ad136eccfbe8"},{"url":"https://git.kernel.org/stable/c/c73f365707d3b1b78b7d16e1f029020d1ae50d0f"},{"url":"https://git.kernel.org/stable/c/bb3f21edc7056cdf44a7f7bd7ba65af40741838c"}],"title":"ice: ptp: don't WARN when controlling PF is unavailable","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43346","datePublished":"2026-05-08T13:39:31.930Z","dateReserved":"2026-05-01T14:12:56.003Z","dateUpdated":"2026-05-08T13:39:31.930Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-08 14:16:44","lastModifiedDate":"2026-05-08 14:16:44","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43346","Ordinal":"1","Title":"ice: ptp: don't WARN when controlling PF is unavailable","CVE":"CVE-2026-43346","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43346","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"ice: ptp: don't WARN when controlling PF is unavailable"}]}}}