Improper locking in Linux kernel - CVE-2022-49764
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108315
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-2022-49764
CWE-ID: CWE-667
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 improper locking within the __bpf_trace_run() function in kernel/trace/bpf_trace.c, within the bpf_prog_start_time(), __bpf_prog_enter() and __bpf_prog_enter_sleepable() functions in kernel/bpf/trampoline.c, within the bpf_prog_inc_misses_counter() function in kernel/bpf/syscall.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-49764
Install update from vendor's website.
Linux kernel - update to 6.0.10