#VU94411 Use-after-free in Linux kernel - CVE-2022-48858
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94411
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48858
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cmd_alloc_index() and cmd_ent_get() functions in drivers/net/ethernet/mellanox/mlx5/core/cmd.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/1a4017926eeea56c7540cc41b42106746ee8a0ee
- https://git.kernel.org/stable/c/f3331bc17449f15832c31823f27573f4c0e13e5f
- https://git.kernel.org/stable/c/7c519f769f555ff7d9d4ccba3497bbb589df360a
- https://git.kernel.org/stable/c/0401bfb27a91d7bdd74b1635c1aae57cbb128da6
- https://git.kernel.org/stable/c/063bd355595428750803d8736a9bb7c8db67d42d
- 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