{"api_version":"1","generated_at":"2026-08-16T02:11:32+00:00","cve":"CVE-2026-74451","urls":{"html":"https://cve.report/CVE-2026-74451","api":"https://cve.report/api/cve/CVE-2026-74451.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74451","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74451"},"summary":{"title":"drm/panthor: validate firmware interface structure sizes","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/panthor: validate firmware interface structure sizes\n\niface_fw_to_cpu_addr() only checks that the firmware-provided MCU virtual\naddress points inside the shared section. The returned pointer is later\nused as a full firmware interface structure, so accepting an address near\nthe end of the shared section can still lead to out-of-bounds accesses.\n\nPass the expected object size to iface_fw_to_cpu_addr() and reject ranges\nthat do not fit entirely in the shared section.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 13:17:49","updated_at":"2026-08-15 13:17:49"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/b921b8613790a3f9e78ab64017fa7149ef0b750c","name":"https://git.kernel.org/stable/c/b921b8613790a3f9e78ab64017fa7149ef0b750c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ca41d9f3a21586bf29df53eec05152ecf2b2f94f","name":"https://git.kernel.org/stable/c/ca41d9f3a21586bf29df53eec05152ecf2b2f94f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/21c77486f5a60bb9c0433c21de62a5f25d5091f1","name":"https://git.kernel.org/stable/c/21c77486f5a60bb9c0433c21de62a5f25d5091f1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c835f2b0b7167584832b516c9b0a26e9180d1d0b","name":"https://git.kernel.org/stable/c/c835f2b0b7167584832b516c9b0a26e9180d1d0b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74451","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74451","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2718d91816eeed03c09c8abe872e45f59078768c 21c77486f5a60bb9c0433c21de62a5f25d5091f1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2718d91816eeed03c09c8abe872e45f59078768c c835f2b0b7167584832b516c9b0a26e9180d1d0b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2718d91816eeed03c09c8abe872e45f59078768c ca41d9f3a21586bf29df53eec05152ecf2b2f94f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2718d91816eeed03c09c8abe872e45f59078768c b921b8613790a3f9e78ab64017fa7149ef0b750c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.10","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.10 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.103 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.44 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.8 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc6 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/panthor/panthor_fw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"21c77486f5a60bb9c0433c21de62a5f25d5091f1","status":"affected","version":"2718d91816eeed03c09c8abe872e45f59078768c","versionType":"git"},{"lessThan":"c835f2b0b7167584832b516c9b0a26e9180d1d0b","status":"affected","version":"2718d91816eeed03c09c8abe872e45f59078768c","versionType":"git"},{"lessThan":"ca41d9f3a21586bf29df53eec05152ecf2b2f94f","status":"affected","version":"2718d91816eeed03c09c8abe872e45f59078768c","versionType":"git"},{"lessThan":"b921b8613790a3f9e78ab64017fa7149ef0b750c","status":"affected","version":"2718d91816eeed03c09c8abe872e45f59078768c","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/panthor/panthor_fw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.10"},{"lessThan":"6.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.103","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.44","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc6","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.103","versionStartIncluding":"6.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.44","versionStartIncluding":"6.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.8","versionStartIncluding":"6.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc6","versionStartIncluding":"6.10","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/panthor: validate firmware interface structure sizes\n\niface_fw_to_cpu_addr() only checks that the firmware-provided MCU virtual\naddress points inside the shared section. The returned pointer is later\nused as a full firmware interface structure, so accepting an address near\nthe end of the shared section can still lead to out-of-bounds accesses.\n\nPass the expected object size to iface_fw_to_cpu_addr() and reject ranges\nthat do not fit entirely in the shared section."}],"providerMetadata":{"dateUpdated":"2026-08-15T12:26:55.722Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/21c77486f5a60bb9c0433c21de62a5f25d5091f1"},{"url":"https://git.kernel.org/stable/c/c835f2b0b7167584832b516c9b0a26e9180d1d0b"},{"url":"https://git.kernel.org/stable/c/ca41d9f3a21586bf29df53eec05152ecf2b2f94f"},{"url":"https://git.kernel.org/stable/c/b921b8613790a3f9e78ab64017fa7149ef0b750c"}],"title":"drm/panthor: validate firmware interface structure sizes","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74451","datePublished":"2026-08-15T12:26:55.722Z","dateReserved":"2026-08-15T05:44:03.899Z","dateUpdated":"2026-08-15T12:26:55.722Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 13:17:49","lastModifiedDate":"2026-08-15 13:17:49","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74451","Ordinal":"1","Title":"drm/panthor: validate firmware interface structure sizes","CVE":"CVE-2026-74451","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74451","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/panthor: validate firmware interface structure sizes\n\niface_fw_to_cpu_addr() only checks that the firmware-provided MCU virtual\naddress points inside the shared section. The returned pointer is later\nused as a full firmware interface structure, so accepting an address near\nthe end of the shared section can still lead to out-of-bounds accesses.\n\nPass the expected object size to iface_fw_to_cpu_addr() and reject ranges\nthat do not fit entirely in the shared section.","Type":"Description","Title":"drm/panthor: validate firmware interface structure sizes"}]}}}