{"api_version":"1","generated_at":"2026-08-15T15:13:42+00:00","cve":"CVE-2026-74454","urls":{"html":"https://cve.report/CVE-2026-74454","api":"https://cve.report/api/cve/CVE-2026-74454.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74454","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74454"},"summary":{"title":"drm/vc4: Supply the overflow slot size in BPOS, not the whole bin BO size","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: Supply the overflow slot size in BPOS, not the whole bin BO size\n\nvc4_overflow_mem_work() points BPOA at a 512KB slot inside the 16MB\nbinner BO, but writes the size of the whole BO to BPOS. On every binner\nout-of-memory event the PTB is therefore authorized to write tile lists\nacross all the other slots (which may hold the tile state, tile alloc and\noverflow memory of in-flight jobs) and, for any slot but the first, past\nthe end of the binner BO into unrelated CMA memory.\n\nSince CMA pages are recycled into page cache and user allocations, this\nis arbitrary memory corruption by GPU DMA. In practice it shows up as GPU\nhangs with corrupted control list pointers, userspace heap corruption, a\nGPU that stays permanently wedged after the first hang, and occasional\nfull system crashes, whenever a job overflows the initial binner slot.\n\nThe bug dates back to the conversion from a dedicated overflow BO (where\nwriting the full BO size was correct) to the slotted binner BO.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 13:17:50","updated_at":"2026-08-15 13:17:50"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/6cd5acf6f87c073622bd61e38fe99c47365cda9c","name":"https://git.kernel.org/stable/c/6cd5acf6f87c073622bd61e38fe99c47365cda9c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6395789e4739aa5177bbec0fa0f07ccc38d249b0","name":"https://git.kernel.org/stable/c/6395789e4739aa5177bbec0fa0f07ccc38d249b0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2f2291a119e9a8b696ae8bb36e86b75d272ceaea","name":"https://git.kernel.org/stable/c/2f2291a119e9a8b696ae8bb36e86b75d272ceaea","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0badb30871004d34df87be33e853536f0b69885f","name":"https://git.kernel.org/stable/c/0badb30871004d34df87be33e853536f0b69885f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1e33ca7f44be64beed2735bb76b86eb65ba8c05b","name":"https://git.kernel.org/stable/c/1e33ca7f44be64beed2735bb76b86eb65ba8c05b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74454","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74454","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 553c942f8b2cbc7394b4d4fa2f848b23a8f07451 2f2291a119e9a8b696ae8bb36e86b75d272ceaea git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 553c942f8b2cbc7394b4d4fa2f848b23a8f07451 0badb30871004d34df87be33e853536f0b69885f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 553c942f8b2cbc7394b4d4fa2f848b23a8f07451 6cd5acf6f87c073622bd61e38fe99c47365cda9c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 553c942f8b2cbc7394b4d4fa2f848b23a8f07451 1e33ca7f44be64beed2735bb76b86eb65ba8c05b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 553c942f8b2cbc7394b4d4fa2f848b23a8f07451 6395789e4739aa5177bbec0fa0f07ccc38d249b0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.151 6.6.* 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/vc4/vc4_irq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2f2291a119e9a8b696ae8bb36e86b75d272ceaea","status":"affected","version":"553c942f8b2cbc7394b4d4fa2f848b23a8f07451","versionType":"git"},{"lessThan":"0badb30871004d34df87be33e853536f0b69885f","status":"affected","version":"553c942f8b2cbc7394b4d4fa2f848b23a8f07451","versionType":"git"},{"lessThan":"6cd5acf6f87c073622bd61e38fe99c47365cda9c","status":"affected","version":"553c942f8b2cbc7394b4d4fa2f848b23a8f07451","versionType":"git"},{"lessThan":"1e33ca7f44be64beed2735bb76b86eb65ba8c05b","status":"affected","version":"553c942f8b2cbc7394b4d4fa2f848b23a8f07451","versionType":"git"},{"lessThan":"6395789e4739aa5177bbec0fa0f07ccc38d249b0","status":"affected","version":"553c942f8b2cbc7394b4d4fa2f848b23a8f07451","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/vc4/vc4_irq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.13"},{"lessThan":"4.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.151","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":"6.6.151","versionStartIncluding":"4.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.103","versionStartIncluding":"4.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.44","versionStartIncluding":"4.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.8","versionStartIncluding":"4.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc6","versionStartIncluding":"4.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: Supply the overflow slot size in BPOS, not the whole bin BO size\n\nvc4_overflow_mem_work() points BPOA at a 512KB slot inside the 16MB\nbinner BO, but writes the size of the whole BO to BPOS. On every binner\nout-of-memory event the PTB is therefore authorized to write tile lists\nacross all the other slots (which may hold the tile state, tile alloc and\noverflow memory of in-flight jobs) and, for any slot but the first, past\nthe end of the binner BO into unrelated CMA memory.\n\nSince CMA pages are recycled into page cache and user allocations, this\nis arbitrary memory corruption by GPU DMA. In practice it shows up as GPU\nhangs with corrupted control list pointers, userspace heap corruption, a\nGPU that stays permanently wedged after the first hang, and occasional\nfull system crashes, whenever a job overflows the initial binner slot.\n\nThe bug dates back to the conversion from a dedicated overflow BO (where\nwriting the full BO size was correct) to the slotted binner BO."}],"providerMetadata":{"dateUpdated":"2026-08-15T12:26:57.565Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/2f2291a119e9a8b696ae8bb36e86b75d272ceaea"},{"url":"https://git.kernel.org/stable/c/0badb30871004d34df87be33e853536f0b69885f"},{"url":"https://git.kernel.org/stable/c/6cd5acf6f87c073622bd61e38fe99c47365cda9c"},{"url":"https://git.kernel.org/stable/c/1e33ca7f44be64beed2735bb76b86eb65ba8c05b"},{"url":"https://git.kernel.org/stable/c/6395789e4739aa5177bbec0fa0f07ccc38d249b0"}],"title":"drm/vc4: Supply the overflow slot size in BPOS, not the whole bin BO size","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74454","datePublished":"2026-08-15T12:26:57.565Z","dateReserved":"2026-08-15T05:44:03.900Z","dateUpdated":"2026-08-15T12:26:57.565Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 13:17:50","lastModifiedDate":"2026-08-15 13:17:50","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74454","Ordinal":"1","Title":"drm/vc4: Supply the overflow slot size in BPOS, not the whole bi","CVE":"CVE-2026-74454","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74454","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: Supply the overflow slot size in BPOS, not the whole bin BO size\n\nvc4_overflow_mem_work() points BPOA at a 512KB slot inside the 16MB\nbinner BO, but writes the size of the whole BO to BPOS. On every binner\nout-of-memory event the PTB is therefore authorized to write tile lists\nacross all the other slots (which may hold the tile state, tile alloc and\noverflow memory of in-flight jobs) and, for any slot but the first, past\nthe end of the binner BO into unrelated CMA memory.\n\nSince CMA pages are recycled into page cache and user allocations, this\nis arbitrary memory corruption by GPU DMA. In practice it shows up as GPU\nhangs with corrupted control list pointers, userspace heap corruption, a\nGPU that stays permanently wedged after the first hang, and occasional\nfull system crashes, whenever a job overflows the initial binner slot.\n\nThe bug dates back to the conversion from a dedicated overflow BO (where\nwriting the full BO size was correct) to the slotted binner BO.","Type":"Description","Title":"drm/vc4: Supply the overflow slot size in BPOS, not the whole bi"}]}}}