#VU94396 Memory leak in Linux kernel - CVE-2022-48856
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94396
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-2022-48856
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 gfar_get_ts_info() function in drivers/net/ethernet/freescale/gianfar_ethtool.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/6263f2eb93a85ad7df504daf0c341a7fb6bbe8a6
- https://git.kernel.org/stable/c/f7b3b520349193f8a82cca74daf366199e06add9
- https://git.kernel.org/stable/c/21044e679ed535345042d2023f7df0ca8e897e2a
- https://git.kernel.org/stable/c/f49f646f9ec296fc0afe7ae92c2bb47f23e3846c
- https://git.kernel.org/stable/c/0e1b9a2078e07fb1e6e91bf8badfd89ecab1e848
- https://git.kernel.org/stable/c/2ac5b58e645c66932438bb021cb5b52097ce70b0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.235
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.106
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.29
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.185