Integer overflow in Linux kernel - CVE-2023-52797
Published: June 21, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93060
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2023-52797
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer overflow within the pmu_sbi_ovf_handler() function in drivers/perf/riscv_pmu_sbi.c. A local user can execute arbitrary code.
Affected software
Linux kernel
How to mitigate CVE-2023-52797
Install update from vendor's website.
Linux kernel - addressed in versions 6.5.13, 6.6.3, 6.7
External References
- https://git.kernel.org/stable/c/2c86b24095fcf72cf51bc72d12e4350163b4e11d
- https://git.kernel.org/stable/c/45a0de41ec383c8b7c6d442734ba3852dd2fc4a7
- https://git.kernel.org/stable/c/c6e316ac05532febb0c966fa9b55f5258ed037be
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7