{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72089", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.905Z", "datePublished": "2026-08-15T05:52:36.800Z", "dateUpdated": "2026-08-15T05:52:36.800Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:52:36.800Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ivpu: Reject firmware log with size smaller than header\n\nfw_log_from_bo() validates the tracing buffer header_size and that the\nlog fits within the BO, but never checks that log->size is at least\nlog->header_size. fw_log_print_buffer() then computes:\n\n u32 data_size = log->size - log->header_size;\n\nwhich underflows to a near-U32_MAX value when firmware reports a log whose\nsize is smaller than its header. That huge data_size defeats the\nlog_start/log_end bounds clamps added by commit dd1311bcf0e6 (\"accel/ivpu:\nAdd bounds checks for firmware log indices\"), so fw_log_print_lines() reads\nfar past the small real data region of the BO. A size of 0 also makes\nfw_log_from_bo() advance the offset by 0, causing the callers to loop\nforever on the same header.\n\nReject logs whose size is smaller than the header (which also rejects\nsize == 0)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/accel/ivpu/ivpu_fw_log.c"], "versions": [{"version": "d4e4257afa6ed5205eda993180401fc2c20e4b60", "lessThan": "5592a207e158b738d9c1d27f208dbbea13ae7606", "status": "affected", "versionType": "git"}, {"version": "d4e4257afa6ed5205eda993180401fc2c20e4b60", "lessThan": "dc9a1cda2e46d0254730a6f93cfe48532895f33c", "status": "affected", "versionType": "git"}, {"version": "d4e4257afa6ed5205eda993180401fc2c20e4b60", "lessThan": "257321a1c036da417f5d9c47b95c7e58f62bf263", "status": "affected", "versionType": "git"}, {"version": "d4e4257afa6ed5205eda993180401fc2c20e4b60", "lessThan": "6920e62be4c969a68ce4ebc59da68c6cbc9512e5", "status": "affected", "versionType": "git"}, {"version": "d4e4257afa6ed5205eda993180401fc2c20e4b60", "lessThan": "ddb44baed257560f192b145ed36cf8c0a412de47", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/accel/ivpu/ivpu_fw_log.c"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc4", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.2-rc4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5592a207e158b738d9c1d27f208dbbea13ae7606"}, {"url": "https://git.kernel.org/stable/c/dc9a1cda2e46d0254730a6f93cfe48532895f33c"}, {"url": "https://git.kernel.org/stable/c/257321a1c036da417f5d9c47b95c7e58f62bf263"}, {"url": "https://git.kernel.org/stable/c/6920e62be4c969a68ce4ebc59da68c6cbc9512e5"}, {"url": "https://git.kernel.org/stable/c/ddb44baed257560f192b145ed36cf8c0a412de47"}], "title": "accel/ivpu: Reject firmware log with size smaller than header", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/accel/ivpu/ivpu_fw_log.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "5592a207e158b738d9c1d27f208dbbea13ae7606", "status": "affected", "version": "d4e4257afa6ed5205eda993180401fc2c20e4b60", "versionType": "git"}, {"lessThan": "dc9a1cda2e46d0254730a6f93cfe48532895f33c", "status": "affected", "version": "d4e4257afa6ed5205eda993180401fc2c20e4b60", "versionType": "git"}, {"lessThan": "257321a1c036da417f5d9c47b95c7e58f62bf263", "status": "affected", "version": "d4e4257afa6ed5205eda993180401fc2c20e4b60", "versionType": "git"}, {"lessThan": "6920e62be4c969a68ce4ebc59da68c6cbc9512e5", "status": "affected", "version": "d4e4257afa6ed5205eda993180401fc2c20e4b60", "versionType": "git"}, {"lessThan": "ddb44baed257560f192b145ed36cf8c0a412de47", "status": "affected", "version": "d4e4257afa6ed5205eda993180401fc2c20e4b60", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/accel/ivpu/ivpu_fw_log.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"lessThan": "6.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.148", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc4", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ivpu: Reject firmware log with size smaller than header\n\nfw_log_from_bo() validates the tracing buffer header_size and that the\nlog fits within the BO, but never checks that log->size is at least\nlog->header_size. fw_log_print_buffer() then computes:\n\n u32 data_size = log->size - log->header_size;\n\nwhich underflows to a near-U32_MAX value when firmware reports a log whose\nsize is smaller than its header. That huge data_size defeats the\nlog_start/log_end bounds clamps added by commit dd1311bcf0e6 (\"accel/ivpu:\nAdd bounds checks for firmware log indices\"), so fw_log_print_lines() reads\nfar past the small real data region of the BO. A size of 0 also makes\nfw_log_from_bo() advance the offset by 0, causing the callers to loop\nforever on the same header.\n\nReject logs whose size is smaller than the header (which also rejects\nsize == 0)."}], "id": "CVE-2026-72089", "lastModified": "2026-08-15T06:21:22.980", "metrics": {}, "published": "2026-08-15T06:21:22.980", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/257321a1c036da417f5d9c47b95c7e58f62bf263"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5592a207e158b738d9c1d27f208dbbea13ae7606"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6920e62be4c969a68ce4ebc59da68c6cbc9512e5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dc9a1cda2e46d0254730a6f93cfe48532895f33c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ddb44baed257560f192b145ed36cf8c0a412de47"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d4e4257afa6ed5205eda993180401fc2c20e4b60,5592a207e158b738d9c1d27f208dbbea13ae7606)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d4e4257afa6ed5205eda993180401fc2c20e4b60,dc9a1cda2e46d0254730a6f93cfe48532895f33c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d4e4257afa6ed5205eda993180401fc2c20e4b60,257321a1c036da417f5d9c47b95c7e58f62bf263)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d4e4257afa6ed5205eda993180401fc2c20e4b60,6920e62be4c969a68ce4ebc59da68c6cbc9512e5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d4e4257afa6ed5205eda993180401fc2c20e4b60,ddb44baed257560f192b145ed36cf8c0a412de47)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.148,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc4,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-15T08:30:06.147522+00:00", "updated": "2026-08-15T12:00:05.079351+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-119", "CWE-192"]}