{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68101", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.368Z", "datePublished": "2026-08-10T11:58:16.578Z", "dateUpdated": "2026-08-10T11:58:16.578Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T11:58:16.578Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix check in amdgpu_hmm_invalidate_gfx\n\nFor a short moment during alloc/free the userptr BO is not part of his VM,\nso bo->vm_bo can be NULL.\n\nKeep a reference to the VM root PD as parent of the userptr BO so that\nwe can always use that to wait for all submissions of the VM instead of\nonly the one involving the userptr BO.\n\n(cherry picked from commit 631849ff5d603841e74f19f4a5e30fe1f7d7cf30)"}], "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/amdgpu/amdgpu_gem.c", "drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c"], "versions": [{"version": "91250893cbaa25c86872deca95a540d08de1f91e", "lessThan": "52f650963d8825e97a0ccdd2b616f8a01d9d3d38", "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/amdgpu/amdgpu_gem.c", "drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c"], "versions": [{"version": "7.2-rc1", "status": "affected"}, {"version": "0", "lessThan": "7.2-rc1", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc2", "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": "7.2-rc1", "versionEndExcluding": "7.2-rc2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/52f650963d8825e97a0ccdd2b616f8a01d9d3d38"}], "title": "drm/amdgpu: fix check in amdgpu_hmm_invalidate_gfx", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c", "drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "52f650963d8825e97a0ccdd2b616f8a01d9d3d38", "status": "affected", "version": "91250893cbaa25c86872deca95a540d08de1f91e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c", "drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "7.2-rc1"}, {"lessThan": "7.2-rc1", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc2", "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/amdgpu: fix check in amdgpu_hmm_invalidate_gfx\n\nFor a short moment during alloc/free the userptr BO is not part of his VM,\nso bo->vm_bo can be NULL.\n\nKeep a reference to the VM root PD as parent of the userptr BO so that\nwe can always use that to wait for all submissions of the VM instead of\nonly the one involving the userptr BO.\n\n(cherry picked from commit 631849ff5d603841e74f19f4a5e30fe1f7d7cf30)"}], "id": "CVE-2026-68101", "lastModified": "2026-08-10T13:19:54.710", "metrics": {}, "published": "2026-08-10T13:19:54.710", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/52f650963d8825e97a0ccdd2b616f8a01d9d3d38"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: drm/amdgpu: fix check in amdgpu_hmm_invalidate_gfx", "id": "2513145", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513145"}, "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-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amdgpu: fix check in amdgpu_hmm_invalidate_gfx\nFor a short moment during alloc/free the userptr BO is not part of his VM,\nso bo->vm_bo can be NULL.\nKeep a reference to the VM root PD as parent of the userptr BO so that\nwe can always use that to wait for all submissions of the VM instead of\nonly the one involving the userptr BO.\n(cherry picked from commit 631849ff5d603841e74f19f4a5e30fe1f7d7cf30)", "A flaw was found in the Linux kernel's AMD GPU (amdgpu) driver. During the allocation or deallocation of a user pointer buffer object, a critical reference to its virtual memory object can become unavailable. This improper handling of memory submissions could lead to system instability or a denial of service, making the system unresponsive."], "name": "CVE-2026-68101", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68101\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68101\nhttps://lore.kernel.org/linux-cve-announce/2026081052-CVE-2026-68101-99a4@gregkh/T"], "threat_severity": "Moderate"}