{"id":"CVE-2023-33951","published":"2023-07-24T15:19:24Z","modified":"2026-02-18T19:19:06Z","title":"Kernel: vmwgfx: race condition leading to information disclosure vulnerability","vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","tier":"tail","description":{"text":"A race condition vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within the handling of GEM objects. The issue results from improper locking when performing operations on an object. This flaw allows a local privileged user to disclose information in the context of the kernel.","provenance":"source","from":"CVE.org"},"cvss":{"score":6.7,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00343,"percentile":0.27773,"provenance":"source"},"cwes":[{"id":"CWE-413","name":"Improper Resource Locking"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2023:6583","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2023:6901","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2023:7077","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2024:1404","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2024:4823","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2024:4831","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-33951","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2218195","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-CAN-20110/","tags":[]}],"priority":{"score":10.2,"factors":[{"name":"EPSS percentile","points":5.55},{"name":"CVSS severity","points":4.69}]},"vendorSlug":"red-hat","affectedVersions":[{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","versions":["all versions"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","versions":["all versions"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.8 Extended Update Support","versions":["all versions"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","versions":["all versions"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","versions":["all versions"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.2 Extended Update Support","versions":["all versions"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.2 Extended Update Support","versions":["all versions"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","versions":["all versions"]}],"euvd":{"id":"EUVD-2023-38087","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-red-hat-enterprise-linux-8-cve-2023-33951","children":[{"from":"CVE-2023-33951","to":"CVE-2023-5633","relation":"regression","confidence":"high","kind":"lineage","evidence":[{"kind":"text","provenance":"source","relation":"regression","quote":"The reference count changes made as part of the CVE-2023-33951 and CVE-2023-33952 fixes exposed a use-after-free flaw in the way memory objects were handled when they were being used to store a surface.","from":"CVE.org","in":"CVE-2023-5633"}]}]}}