CVE-2023-5633highCWE-911

CVE-2023-5633: high-severity vulnerability in Red Hat Enterprise Linux 6

Kernel: vmwgfx: reference count issue leads to use-after-free in surface handling

Published · Updated

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.8epss 0.3%
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. When running inside a VMware guest with 3D acceleration enabled, a local, unprivileged user could potentially use this flaw to escalate their privileges.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Support
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