CVE-2026-72311

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72311", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.918Z", "datePublished": "2026-08-15T05:55:27.164Z", "dateUpdated": "2026-08-17T05:12:16.211Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:12:16.211Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: free madvise VMA array on L2 flush failure\n\nxe_vm_madvise_ioctl() allocates madvise_range.vmas in get_vmas().\nAfter get_vmas() succeeds with at least one VMA, error paths must go\nthrough free_vmas so the array is released before the madvise details are\ndestroyed.\n\nThe L2 flush validation path added for PAT madvise rejects some\nSVM/userptr ranges after get_vmas() has succeeded, but jumps directly to\nmadv_fini. This skips kfree(madvise_range.vmas), leaking the VMA array on\neach failed ioctl.\n\nJump to free_vmas instead, matching the other validation failure paths\nafter get_vmas() has succeeded.\n\n(cherry picked from commit c3a1c3579b1250060da73507a4acef712974c78a)"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/xe/xe_vm_madvise.c"], "versions": [{"version": "4f39a194d41e6b8cb61a91a7bb01b17be59a7d73", "lessThan": "bf126747e7bff55e5ba0b1ec10fc5fce99feaed9", "status": "affected", "versionType": "git"}, {"version": "4f39a194d41e6b8cb61a91a7bb01b17be59a7d73", "lessThan": "14abbed336a2d1bbd726c25d148d2ec0ff928073", "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/xe/xe_vm_madvise.c"], "versions": [{"version": "7.1", "status": "affected"}, {"version": "0", "lessThan": "7.1", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "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": "7.1", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.1", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/bf126747e7bff55e5ba0b1ec10fc5fce99feaed9"}, {"url": "https://git.kernel.org/stable/c/14abbed336a2d1bbd726c25d148d2ec0ff928073"}], "title": "drm/xe: free madvise VMA array on L2 flush failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/xe/xe_vm_madvise.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "bf126747e7bff55e5ba0b1ec10fc5fce99feaed9", "status": "affected", "version": "4f39a194d41e6b8cb61a91a7bb01b17be59a7d73", "versionType": "git"}, {"lessThan": "14abbed336a2d1bbd726c25d148d2ec0ff928073", "status": "affected", "version": "4f39a194d41e6b8cb61a91a7bb01b17be59a7d73", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/xe/xe_vm_madvise.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "7.1"}, {"lessThan": "7.1", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "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/xe: free madvise VMA array on L2 flush failure\n\nxe_vm_madvise_ioctl() allocates madvise_range.vmas in get_vmas().\nAfter get_vmas() succeeds with at least one VMA, error paths must go\nthrough free_vmas so the array is released before the madvise details are\ndestroyed.\n\nThe L2 flush validation path added for PAT madvise rejects some\nSVM/userptr ranges after get_vmas() has succeeded, but jumps directly to\nmadv_fini. This skips kfree(madvise_range.vmas), leaking the VMA array on\neach failed ioctl.\n\nJump to free_vmas instead, matching the other validation failure paths\nafter get_vmas() has succeeded.\n\n(cherry picked from commit c3a1c3579b1250060da73507a4acef712974c78a)"}], "id": "CVE-2026-72311", "lastModified": "2026-08-17T06:18:34.220", "metrics": {}, "published": "2026-08-15T06:22:03.913", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/14abbed336a2d1bbd726c25d148d2ec0ff928073"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bf126747e7bff55e5ba0b1ec10fc5fce99feaed9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: drm/xe: free madvise VMA array on L2 flush failure", "id": "2516598", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516598"}, "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-772", "details": ["A flaw was found in the Linux kernel's `drm/xe` driver. A local user could trigger a memory leak by repeatedly making `ioctl` calls that fail the L2 flush validation. This improper memory management can lead to a Denial of Service (DoS) due to resource exhaustion."], "name": "CVE-2026-72311", "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": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72311\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72311\nhttps://lore.kernel.org/linux-cve-announce/2026081504-CVE-2026-72311-607c@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4f39a194d41e6b8cb61a91a7bb01b17be59a7d73,bf126747e7bff55e5ba0b1ec10fc5fce99feaed9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4f39a194d41e6b8cb61a91a7bb01b17be59a7d73,14abbed336a2d1bbd726c25d148d2ec0ff928073)"}}], "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": "7.1"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,7.1)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc3,*]"}}], "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": "2026-08-15T10:30:05.218264+00:00", "updated": "2026-08-22T09:00:10.774775+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}