CVE-2026-80703

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80703", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.786Z", "datePublished": "2026-08-28T06:53:05.851Z", "dateUpdated": "2026-08-30T07:08:35.224Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-30T07:08:35.224Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE\n\nPrevent unauthorized termination of active GPU debug sessions.\nPreviously, users with /dev/kfd access could terminate another process's\ndebug session without proper ownership or ptrace authorization.\n\n(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/amdkfd/kfd_chardev.c"], "versions": [{"version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508", "lessThan": "ce813614f63b020a826071276a92f2cfae7cba79", "status": "affected", "versionType": "git"}, {"version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508", "lessThan": "b8c05061997408bf81759f2dd31cd5f66771d15f", "status": "affected", "versionType": "git"}, {"version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508", "lessThan": "9e52212aff8ed1fd9087728f61243ce3efd9d0ac", "status": "affected", "versionType": "git"}, {"version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508", "lessThan": "4070909ac042f44654aac72f7986ea550c96f591", "status": "affected", "versionType": "git"}, {"version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508", "lessThan": "99b2fe4f19e3be0a8d0a0b5ea98d855970889653", "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/gpu/drm/amd/amdkfd/kfd_chardev.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.151", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.103", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.44", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.8", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.5", "versionEndExcluding": "6.6.151"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.12.103"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.18.44"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "7.1.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ce813614f63b020a826071276a92f2cfae7cba79"}, {"url": "https://git.kernel.org/stable/c/b8c05061997408bf81759f2dd31cd5f66771d15f"}, {"url": "https://git.kernel.org/stable/c/9e52212aff8ed1fd9087728f61243ce3efd9d0ac"}, {"url": "https://git.kernel.org/stable/c/4070909ac042f44654aac72f7986ea550c96f591"}, {"url": "https://git.kernel.org/stable/c/99b2fe4f19e3be0a8d0a0b5ea98d855970889653"}], "title": "drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/amdkfd/kfd_chardev.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "ce813614f63b020a826071276a92f2cfae7cba79", "status": "affected", "version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508", "versionType": "git"}, {"lessThan": "b8c05061997408bf81759f2dd31cd5f66771d15f", "status": "affected", "version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508", "versionType": "git"}, {"lessThan": "9e52212aff8ed1fd9087728f61243ce3efd9d0ac", "status": "affected", "version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508", "versionType": "git"}, {"lessThan": "4070909ac042f44654aac72f7986ea550c96f591", "status": "affected", "version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508", "versionType": "git"}, {"lessThan": "99b2fe4f19e3be0a8d0a0b5ea98d855970889653", "status": "affected", "version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/amdkfd/kfd_chardev.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.5"}, {"lessThan": "6.5", "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", "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\ndrm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE\n\nPrevent unauthorized termination of active GPU debug sessions.\nPreviously, users with /dev/kfd access could terminate another process's\ndebug session without proper ownership or ptrace authorization.\n\n(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)"}], "id": "CVE-2026-80703", "lastModified": "2026-08-30T07:17:21.563", "metrics": {}, "published": "2026-08-28T08:16:55.850", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4070909ac042f44654aac72f7986ea550c96f591"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/99b2fe4f19e3be0a8d0a0b5ea98d855970889653"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9e52212aff8ed1fd9087728f61243ce3efd9d0ac"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b8c05061997408bf81759f2dd31cd5f66771d15f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ce813614f63b020a826071276a92f2cfae7cba79"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE", "id": "2525461", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2525461"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-1220", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE\nPrevent unauthorized termination of active GPU debug sessions.\nPreviously, users with /dev/kfd access could terminate another process's\ndebug session without proper ownership or ptrace authorization.\n(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)", "A flaw was found in the Linux kernel's drm/amdkfd component. A local user with access to /dev/kfd could exploit a missing authorization check to terminate another process's active Graphics Processing Unit (GPU) debug session. This could lead to a denial of service for other users attempting to debug GPU applications."], "name": "CVE-2026-80703", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80703\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80703\nhttps://lore.kernel.org/linux-cve-announce/2026082806-CVE-2026-80703-8906@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,ce813614f63b020a826071276a92f2cfae7cba79)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,b8c05061997408bf81759f2dd31cd5f66771d15f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,9e52212aff8ed1fd9087728f61243ce3efd9d0ac)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,4070909ac042f44654aac72f7986ea550c96f591)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,99b2fe4f19e3be0a8d0a0b5ea98d855970889653)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.6.151)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.12.103)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.18.44)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.1.8)"}}], "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": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.151,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.103,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.44,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.8,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "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": "2026-08-28T11:30:06.782603+00:00", "updated": "2026-09-02T05:00:13.484939+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}