#VU94478 Buffer overflow in Linux kernel - CVE-2022-48799
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94478
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-2022-48799
CWE-ID: CWE-119
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 corruption within the DEFINE_PER_CPU() and perf_cgroup_switch() functions in kernel/events/core.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/5d76ed4223403f90421782adb2f20a9ecbc93186
- https://git.kernel.org/stable/c/30d9f3cbe47e1018ddc8069ac5b5c9e66fbdf727
- https://git.kernel.org/stable/c/a2ed7b29d0673ba361546e2d87dbbed149456c45
- https://git.kernel.org/stable/c/f6b5d51976fcefef5732da3e3feb3ccff680f7c8
- https://git.kernel.org/stable/c/7969fe91c9830e045901970e9d755b7505881d4a
- https://git.kernel.org/stable/c/2142bc1469a316fddd10012d76428f7265258f81
- https://git.kernel.org/stable/c/5f4e5ce638e6a490b976ade4a40017b40abb2da0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.267
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.230
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.101
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.180