Stack-based buffer overflow in Linux kernel - CVE-2022-49001
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99102
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2022-49001
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to stack overflow within the get_overflow_stack() function in arch/riscv/kernel/traps.c, within the handle_bad_stack() function in arch/riscv/kernel/entry.S. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-49001
Install update from vendor's website.
Linux kernel - addressed in versions 5.15.82, 6.0.12, 6.1
External References
- https://git.kernel.org/stable/c/ac00301adb19df54f2eae1efc4bad7447c0156ce
- https://git.kernel.org/stable/c/879fabc5a95401d9bce357e4b1d24ae4a360a81f
- https://git.kernel.org/stable/c/7e1864332fbc1b993659eab7974da9fe8bf8c128
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1