CVE-2023-5633
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedOct 23, 2023
First seenOct 23, 2023
Weakness typeCWE-911CWE-911
How to fix
Update
- linux linux_kernel6.1.75, 6.5.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.1.13 ≤ v < 6.1.75, 6.2 ≤ v < 6.5.8, 6.6 | 6.1.75, 6.5.8 |
| redhat codeready_linux_builder | 8.0, 9.0 | — |
| redhat codeready_linux_builder_eus | 8.8, 9.2, 9.4 | — |
| redhat codeready_linux_builder_for_arm64 | 8.0_aarch64, 9.0_aarch64 | — |
| redhat codeready_linux_builder_for_arm64_eus | 8.8_aarch64, 9.2_aarch64, 9.4_aarch64 | — |
| redhat codeready_linux_builder_for_ibm_z_systems | 9.0_s390x | — |
| redhat codeready_linux_builder_for_ibm_z_systems_eus | 9.2_s390x, 9.4_s390x | — |
| redhat codeready_linux_builder_for_power_little_endian | 8.0_ppc64le, 9.0_ppc64le | — |
| redhat codeready_linux_builder_for_power_little_endian_eus | 8.8_ppc64le, 9.2_ppc64le, 9.4_ppc64le | — |
| redhat enterprise_linux | 8.0, 9.0 | — |
| redhat enterprise_linux_eus | 8.8, 9.2, 9.4 | — |
| redhat enterprise_linux_for_arm_64 | 8.0_aarch64, 9.0_aarch64 | — |
| redhat enterprise_linux_for_arm_64_eus | 8.8_aarch64, 9.2_aarch64, 9.4_aarch64 | — |
| redhat enterprise_linux_for_ibm_z_systems | 8.0_s390x, 9.0_s390x | — |
| redhat enterprise_linux_for_ibm_z_systems_eus | 8.8_s390x, 9.2_s390x, 9.4_s390x | — |
| redhat enterprise_linux_for_power_little_endian | 8.0_ppc64le, 9.0_ppc64le | — |
| redhat enterprise_linux_for_power_little_endian_eus | 9.2_ppc64le, 9.4_ppc64le | — |
| redhat enterprise_linux_for_real_time | 8.0, 9.0 | — |
| redhat enterprise_linux_for_real_time_for_nfv | 8.0, 9.0 | — |
| redhat enterprise_linux_server_aus | 9.2, 9.4 | — |
| redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions | 8.8, 9.2_ppc64le | — |
| redhat enterprise_linux_server_tus | 8.8 | — |
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