CVE-2023-5633
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.
Key facts
- CVSS score
- 7.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-911
- EPSS score
- 0.3% (19th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2023-57926)
- Published
- October 23, 2023
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2023-57926 in the EU Vulnerability Database. Last updated in EUVD on February 25, 2026.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- redhat / codeready linux builder
- redhat / codeready linux builder
- redhat / codeready linux builder eus
- redhat / codeready linux builder eus
- redhat / codeready linux builder eus
- redhat / codeready linux builder for arm64
- redhat / codeready linux builder for arm64
- redhat / codeready linux builder for arm64 eus
- redhat / codeready linux builder for arm64 eus
- redhat / codeready linux builder for arm64 eus
- redhat / codeready linux builder for ibm z systems
- redhat / codeready linux builder for ibm z systems eus
- redhat / codeready linux builder for ibm z systems eus
- redhat / codeready linux builder for power little endian
- redhat / codeready linux builder for power little endian
- redhat / codeready linux builder for power little endian eus
- redhat / codeready linux builder for power little endian eus
- redhat / codeready linux builder for power little endian eus
- redhat / enterprise linux
- redhat / enterprise linux
- redhat / enterprise linux eus
- redhat / enterprise linux eus
- redhat / enterprise linux eus
- redhat / enterprise linux for arm 64
- redhat / enterprise linux for arm 64
- redhat / enterprise linux for arm 64 eus
- redhat / enterprise linux for arm 64 eus
- redhat / enterprise linux for arm 64 eus
- redhat / enterprise linux for ibm z systems
- redhat / enterprise linux for ibm z systems
- redhat / enterprise linux for ibm z systems eus
- redhat / enterprise linux for ibm z systems eus
- redhat / enterprise linux for ibm z systems eus
- redhat / enterprise linux for power little endian
- redhat / enterprise linux for power little endian
- redhat / enterprise linux for power little endian eus
- redhat / enterprise linux for power little endian eus
- redhat / enterprise linux for real time
- redhat / enterprise linux for real time
- redhat / enterprise linux for real time for nfv
- redhat / enterprise linux for real time for nfv
- redhat / enterprise linux server aus
- redhat / enterprise linux server aus
and 3 more…
Certified products that may be affected
32 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Red Hat Enterprise Linux 8 NSS Cryptographic Module - Red Hat, Inc. - FIPS 140 5513 - active
- Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, LLC - FIPS 140 5461 - active
- Red Hat Enterprise Linux 9 Kernel Cryptographic API - Red Hat, Inc. - FIPS 140 5445 - active
- Red Hat Enterprise Linux 9 libgcrypt - Red Hat, Inc. - FIPS 140 5366 - active
- Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, Inc. - FIPS 140 5089 - active
See all 32 in the Security Certifications Explorer.
References
- https://access.redhat.com/errata/RHSA-2024:0113(Third Party Advisory)
- https://access.redhat.com/errata/RHSA-2024:0134(Third Party Advisory)
- https://access.redhat.com/errata/RHSA-2024:0461(Third Party Advisory)
- https://access.redhat.com/errata/RHSA-2024:1404(Third Party Advisory)
- https://access.redhat.com/errata/RHSA-2024:4823(Third Party Advisory)
- https://access.redhat.com/errata/RHSA-2024:4831(Third Party Advisory)
- https://access.redhat.com/security/cve/CVE-2023-5633(Third Party Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=2245663(Issue Tracking, Patch)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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