Stack-based buffer overflow in Linux kernel - CVE-2023-52761
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91297
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52761
CWE-ID: CWE-121
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 perform a denial of service (DoS) attack.
The vulnerability exists due to stack overflow within the is_valid_bugaddr() function in arch/riscv/kernel/traps.c, within the SYM_CODE_START() and SYM_CODE_END() functions in arch/riscv/kernel/entry.S, within the asm_offsets() function in arch/riscv/kernel/asm-offsets.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-52761
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/1493baaf09e3c1899959c8a107cd1207e16d1788
- https://git.kernel.org/stable/c/eff53aea3855f71992c043cebb1c00988c17ee20
- https://git.kernel.org/stable/c/be97d0db5f44c0674480cb79ac6f5b0529b84c76
- 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