CVE-2023-33951

Kernel: vmwgfx: race condition leading to information disclosure vulnerability

Description

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.

Remediation

Workaround:

  • This flaw can be mitigated by preventing the affected `vmwgfx` kernel module from being loaded. For instructions on how to blacklist a kernel module, please see https://access.redhat.com/solutions/41278.

Categories

6.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 9
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2023:6583 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2023:6901 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2023:7077 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2024:1404 vendor advisory
https://access.redhat.com/errata/RHSA-2024:4823 vendor advisory
https://access.redhat.com/errata/RHSA-2024:4831 vendor advisory
https://access.redhat.com/security/cve/CVE-2023-33951 third party advisory vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2218195 issue tracking patch
https://www.zerodayinitiative.com/advisories/ZDI-CAN-20110/ third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2023-33951?
CVE-2023-33951 has been scored as a medium severity vulnerability.
How to fix CVE-2023-33951?
As a workaround for remediating CVE-2023-33951: This flaw can be mitigated by preventing the affected `vmwgfx` kernel module from being loaded. For instructions on how to blacklist a kernel module, please see https://access.redhat.com/solutions/41278.
Is CVE-2023-33951 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-33951 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-33951?
CVE-2023-33951 affects Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Red Hat Enterprise Linux 6, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 9.
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