#VU104328 Memory leak in Linux kernel - CVE-2022-49658
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104328
Vulnerability risk: Low
CVSSv4.0: 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-2022-49658
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the __reg_bound_offset(), __reg_combine_32_into_64(), __reg64_bound_u32(), __reg_combine_64_into_32(), do_refine_retval_range(), adjust_ptr_min_max_vals(), adjust_scalar_min_max_vals(), check_alu_op() and __reg_combine_min_max() functions in kernel/bpf/verifier.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/3844d153a41adea718202c10ae91dc96b37453b5
- https://git.kernel.org/stable/c/a7de8d436db92bab8b1f44624297c2554a6ac36b
- https://git.kernel.org/stable/c/b2a28bb36664c94375926cbbb91976242847699d
- https://git.kernel.org/stable/c/e917be1f83ea14a68b3cf64d3da9968eaf991dae
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.130