Use-after-free in Linux kernel - CVE-2023-52913
Published: August 21, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96337
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52913
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the i915_gem_init__contexts(), gem_context_register() and finalize_create_context_locked() functions in drivers/gpu/drm/i915/gem/i915_gem_context.c. A local user can escalate privileges on the system.
How to mitigate CVE-2023-52913
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/b696c627b3f56e173f7f70b8487d66da8ff22506
- https://git.kernel.org/stable/c/afce71ff6daa9c0f852df0727fe32c6fb107f0fa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.171
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2