{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43399", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.007Z", "datePublished": "2026-05-08T14:21:41.529Z", "dateUpdated": "2026-05-08T14:21:41.529Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-08T14:21:41.529Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl\n\nDrop reference to syncobj and timeline fence when aborting the ioctl due\noutput array being too small.\n\n(cherry picked from commit 68951e9c3e6bb22396bc42ef2359751c8315dd27)"}], "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_userq_fence.c"], "versions": [{"version": "a292fdecd72834b3bec380baa5db1e69e7f70679", "lessThan": "762f47e2b824383d5be65eee2c40a1269b7d50c8", "status": "affected", "versionType": "git"}, {"version": "a292fdecd72834b3bec380baa5db1e69e7f70679", "lessThan": "5409247d41f372bec5b141ef599f2d9f5e81b746", "status": "affected", "versionType": "git"}, {"version": "a292fdecd72834b3bec380baa5db1e69e7f70679", "lessThan": "49abfa812617a7f2d0132c70d23ac98b389c6ec1", "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_userq_fence.c"], "versions": [{"version": "6.16", "status": "affected"}, {"version": "0", "lessThan": "6.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.19", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.9", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.16", "versionEndExcluding": "6.18.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "6.19.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/762f47e2b824383d5be65eee2c40a1269b7d50c8"}, {"url": "https://git.kernel.org/stable/c/5409247d41f372bec5b141ef599f2d9f5e81b746"}, {"url": "https://git.kernel.org/stable/c/49abfa812617a7f2d0132c70d23ac98b389c6ec1"}], "title": "drm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl\n\nDrop reference to syncobj and timeline fence when aborting the ioctl due\noutput array being too small.\n\n(cherry picked from commit 68951e9c3e6bb22396bc42ef2359751c8315dd27)"}], "id": "CVE-2026-43399", "lastModified": "2026-05-08T15:16:51.327", "metrics": {}, "published": "2026-05-08T15:16:51.327", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/49abfa812617a7f2d0132c70d23ac98b389c6ec1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5409247d41f372bec5b141ef599f2d9f5e81b746"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/762f47e2b824383d5be65eee2c40a1269b7d50c8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: drm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl", "id": "2468170", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468170"}, "csaw": false, "cwe": "CWE-911", "details": ["A flaw was found in the Linux kernel's AMD GPU (amdgpu) driver. Specifically, a reference leak occurs in the `amdgpu_userq_wait_ioctl` function. This issue arises when an I/O control (ioctl) operation is aborted because the output array provided is insufficient. A local attacker could exploit this to cause resource exhaustion, leading to a denial of service (DoS) on the system."], "name": "CVE-2026-43399", "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": "Not affected", "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": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43399\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43399\nhttps://lore.kernel.org/linux-cve-announce/2026050839-CVE-2026-43399-6521@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a292fdecd72834b3bec380baa5db1e69e7f70679,762f47e2b824383d5be65eee2c40a1269b7d50c8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a292fdecd72834b3bec380baa5db1e69e7f70679,5409247d41f372bec5b141ef599f2d9f5e81b746)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a292fdecd72834b3bec380baa5db1e69e7f70679,49abfa812617a7f2d0132c70d23ac98b389c6ec1)"}}], "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": "generic", "value": "6.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.19,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.9,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "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": "2026-05-08T17:15:16.438247+00:00", "updated": "2026-05-08T18:00:13.775808+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-772"]}