Vulnerability Description
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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.1.13, < 6.1.75 |
| Redhat | Codeready Linux Builder | 8.0 |
| Redhat | Codeready Linux Builder Eus | 8.8 |
| Redhat | Codeready Linux Builder For Arm64 | 8.0_aarch64 |
| Redhat | Codeready Linux Builder For Arm64 Eus | 8.8_aarch64 |
| Redhat | Codeready Linux Builder For Ibm Z Systems | 9.0_s390x |
| Redhat | Codeready Linux Builder For Ibm Z Systems Eus | 9.2_s390x |
| Redhat | Codeready Linux Builder For Power Little Endian | 8.0_ppc64le |
| Redhat | Codeready Linux Builder For Power Little Endian Eus | 8.8_ppc64le |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux Eus | 8.8 |
| Redhat | Enterprise Linux For Arm 64 | 8.0_aarch64 |
| Redhat | Enterprise Linux For Arm 64 Eus | 8.8_aarch64 |
| Redhat | Enterprise Linux For Ibm Z Systems | 8.0_s390x |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 8.8_s390x |
| Redhat | Enterprise Linux For Power Little Endian | 8.0_ppc64le |
| Redhat | Enterprise Linux For Power Little Endian Eus | 9.2_ppc64le |
| Redhat | Enterprise Linux For Real Time | 8.0 |
| Redhat | Enterprise Linux For Real Time For Nfv | 8.0 |
| Redhat | Enterprise Linux Server Aus | 9.2 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2024:0113Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0134Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0461Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1404Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4823Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4831Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-5633Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2245663Issue TrackingPatch
- https://access.redhat.com/errata/RHSA-2024:0113Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0134Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0461Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1404Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4823Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4831Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-5633Third Party Advisory
FAQ
What is CVE-2023-5633?
CVE-2023-5633 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 surfac...
How severe is CVE-2023-5633?
CVE-2023-5633 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-5633?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Codeready Linux Builder, Redhat Codeready Linux Builder Eus, Redhat Codeready Linux Builder For Arm64, Redhat Codeready Linux Builder For Arm64 Eus.