{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68383", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.387Z", "datePublished": "2026-08-10T12:04:02.230Z", "dateUpdated": "2026-08-10T12:04:02.230Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T12:04:02.230Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/guc: Keep scheduler timeline name alive\n\nThe scheduler keeps a pointer to the timeline name, but q->name\nis freed with the exec queue while scheduler fences can still\nreference it.\n\nStore the name in struct xe_guc_exec_queue so it shares\nthe scheduler's RCU-deferred lifetime.\n\n(cherry picked from commit 41075f0eb5dcbd3b065d15f15ef7bbe9315188e8)"}], "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_guc_exec_queue_types.h", "drivers/gpu/drm/xe/xe_guc_submit.c"], "versions": [{"version": "6bd90e700b4285e6a7541e00f969cab0d696adde", "lessThan": "77fd62412431e8c80ef2ad61466bc76fe425f80a", "status": "affected", "versionType": "git"}, {"version": "6bd90e700b4285e6a7541e00f969cab0d696adde", "lessThan": "299bc6d50b1bed7d1f408391736712f01a0855e2", "status": "affected", "versionType": "git"}, {"version": "b17fcce70733c211cb5dabf54f4f9491920b1d92", "status": "affected", "versionType": "git"}, {"version": "ba37807d08bae67de6139346a85650cab5f6145a", "status": "affected", "versionType": "git"}, {"version": "683b0e397dad9f26a42dcacf6f7f545a77ce6c06", "status": "affected", "versionType": "git"}, {"version": "6.12.43", "lessThan": "6.13", "status": "affected", "versionType": "semver"}, {"version": "6.15.11", "lessThan": "6.16", "status": "affected", "versionType": "semver"}, {"version": "6.16.2", "lessThan": "6.17", "status": "affected", "versionType": "semver"}]}, {"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_guc_exec_queue_types.h", "drivers/gpu/drm/xe/xe_guc_submit.c"], "versions": [{"version": "6.17", "status": "affected"}, {"version": "0", "lessThan": "6.17", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "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": "6.17", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.2-rc4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.43"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/77fd62412431e8c80ef2ad61466bc76fe425f80a"}, {"url": "https://git.kernel.org/stable/c/299bc6d50b1bed7d1f408391736712f01a0855e2"}], "title": "drm/xe/guc: Keep scheduler timeline name alive", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/xe/xe_guc_exec_queue_types.h", "drivers/gpu/drm/xe/xe_guc_submit.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "77fd62412431e8c80ef2ad61466bc76fe425f80a", "status": "affected", "version": "6bd90e700b4285e6a7541e00f969cab0d696adde", "versionType": "git"}, {"lessThan": "299bc6d50b1bed7d1f408391736712f01a0855e2", "status": "affected", "version": "6bd90e700b4285e6a7541e00f969cab0d696adde", "versionType": "git"}, {"status": "affected", "version": "b17fcce70733c211cb5dabf54f4f9491920b1d92", "versionType": "git"}, {"status": "affected", "version": "ba37807d08bae67de6139346a85650cab5f6145a", "versionType": "git"}, {"status": "affected", "version": "683b0e397dad9f26a42dcacf6f7f545a77ce6c06", "versionType": "git"}, {"lessThan": "6.13", "status": "affected", "version": "6.12.43", "versionType": "semver"}, {"lessThan": "6.16", "status": "affected", "version": "6.15.11", "versionType": "semver"}, {"lessThan": "6.17", "status": "affected", "version": "6.16.2", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/xe/xe_guc_exec_queue_types.h", "drivers/gpu/drm/xe/xe_guc_submit.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.17"}, {"lessThan": "6.17", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.6", "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\ndrm/xe/guc: Keep scheduler timeline name alive\n\nThe scheduler keeps a pointer to the timeline name, but q->name\nis freed with the exec queue while scheduler fences can still\nreference it.\n\nStore the name in struct xe_guc_exec_queue so it shares\nthe scheduler's RCU-deferred lifetime.\n\n(cherry picked from commit 41075f0eb5dcbd3b065d15f15ef7bbe9315188e8)"}], "id": "CVE-2026-68383", "lastModified": "2026-08-10T13:20:31.483", "metrics": {}, "published": "2026-08-10T13:20:31.483", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/299bc6d50b1bed7d1f408391736712f01a0855e2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/77fd62412431e8c80ef2ad61466bc76fe425f80a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: Use-after-free vulnerability in drm/xe/guc scheduler", "id": "2513292", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513292"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/xe/guc: Keep scheduler timeline name alive\nThe scheduler keeps a pointer to the timeline name, but q->name\nis freed with the exec queue while scheduler fences can still\nreference it.\nStore the name in struct xe_guc_exec_queue so it shares\nthe scheduler's RCU-deferred lifetime.\n(cherry picked from commit 41075f0eb5dcbd3b065d15f15ef7bbe9315188e8)", "A flaw was found in the Linux kernel's drm/xe/guc component. The scheduler maintains a pointer to a timeline name, but this name is prematurely freed while other parts of the system, such as scheduler fences, can still reference it. This creates a use-after-free vulnerability, where the system attempts to access memory that has already been released. Such an issue can lead to system instability and crashes, potentially resulting in a denial of service."], "name": "CVE-2026-68383", "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"}, {"cpe": "cpe:/a:redhat:enterprise_linux_nvidia:", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux for NVIDIA 26"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-08-10T12:04:02Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68383\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68383\nhttps://git.kernel.org/stable/c/299bc6d50b1bed7d1f408391736712f01a0855e2\nhttps://git.kernel.org/stable/c/77fd62412431e8c80ef2ad61466bc76fe425f80a"], "threat_severity": "Moderate"}