#VU104735 Double free in Linux kernel - CVE-2022-49410
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104735
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-2022-49410
CWE-ID: CWE-415
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 a double free error within the init_var_ref() function in kernel/trace/trace_events_hist.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/058cb6d86b9789377216c936506b346aaa1eb581
- https://git.kernel.org/stable/c/37443b3508b8cce6832f8d25cb4550b2f7801f50
- https://git.kernel.org/stable/c/4fdfb15e08598711dbf50daf56a33965232daf0e
- https://git.kernel.org/stable/c/99696a2592bca641eb88cc9a80c90e591afebd0f
- https://git.kernel.org/stable/c/bd83ff3bbfb003832481c9bff999d12385f396ae
- https://git.kernel.org/stable/c/c27f744ceefadc7bbeb14233b6abc150ced617d2
- https://git.kernel.org/stable/c/f8b383f83cb573152c577eca1ef101e89995b72a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.247