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.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.8
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS probability
- 0.01%
- CWE
- CWE-416, CWE-911
- Published
- 2023-10-23
- Last modified
- 2026-03-13
Affected products
- 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 9.2 Extended Update Support
- Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support
Weakness type
Related vulnerabilities
- CVE-2026-78133 — libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision...
- CVE-2026-45752 — Suricata detect/transform: use-after-free in decompress transforms
- CVE-2026-45751 — Suricata detect/transform: use-after-free in dotprefix transform
- CVE-2026-88032 — Application denial of service via cancellation race in reactive client-side encryption in MongoDB Java Driver
- CVE-2026-87933 — DaveGamble cJSON cJSON_Utils.c cJSONUtils_MergePatch use after free
- CVE-2026-87877 — zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free via Setters Called After close()
- CVE-2026-87825 — zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free of Compression and Decompression Dictionaries
- CVE-2026-87617 — Use after free in DevTools in Google Chrome prior to 153.0.8010.36 allowed a remote attacker...