#VU94478 Buffer overflow in Linux kernel - CVE-2022-48799
Vulnerability identifier: #VU94478
Vulnerability risk: Low
CVSSv4.0: 4.3 [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:
CWE-ID:
CWE-119
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: 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.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 4.14, 4.14.0, 4.14.0 rc1, 4.14.1, 4.14.2, 4.14.3, 4.14.4, 4.14.5, 4.14.6, 4.14.7, 4.14.8, 4.14.9, 4.14.10, 4.14.11, 4.14.12, 4.14.13, 4.14.14, 4.14.15, 4.14.16, 4.14.17, 4.14.18, 4.14.19, 4.14.20, 4.14.21, 4.14.22, 4.14.23, 4.14.24, 4.14.25, 4.14.26, 4.14.27, 4.14.28, 4.14.29, 4.14.30, 4.14.31, 4.14.32, 4.14.33, 4.14.34, 4.14.35, 4.14.36, 4.14.37, 4.14.38, 4.14.39, 4.14.40, 4.14.41, 4.14.42, 4.14.43, 4.14.44, 4.14.45, 4.14.46, 4.14.47, 4.14.48, 4.14.49, 4.14.50, 4.14.51, 4.14.52, 4.14.53, 4.14.54, 4.14.55, 4.14.56, 4.14.57, 4.14.58, 4.14.59, 4.14.60, 4.14.61, 4.14.62, 4.14.63, 4.14.64, 4.14.65, 4.14.66, 4.14.67, 4.14.68, 4.14.69, 4.14.70, 4.14.71, 4.14.72, 4.14.73, 4.14.74, 4.14.75, 4.14.76, 4.14.77, 4.14.78, 4.14.79, 4.14.80, 4.14.81, 4.14.82, 4.14.83, 4.14.84, 4.14.85, 4.14.86, 4.14.87, 4.14.88, 4.14.89, 4.14.90, 4.14.91, 4.14.92, 4.14.93, 4.14.94, 4.14.95, 4.14.96, 4.14.97, 4.14.98, 4.14.99, 4.14.100, 4.14.101, 4.14.102, 4.14.103, 4.14.104, 4.14.105, 4.14.106, 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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
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
