Memory leak in Linux kernel - CVE-2022-48768
Published: June 20, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92890
CSH Severity: Low
CVSS v4.0: 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-2022-48768
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the trace_action_create() function in kernel/trace/trace_events_hist.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-48768
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/8a8878ebb596281f50fc0b9a6e1f23f0d7f154e8
- https://git.kernel.org/stable/c/d71b06aa995007eafd247626d0669b9364c42ad7
- https://git.kernel.org/stable/c/e33fa4a46ee22de88a700e2e3d033da8214a5175
- https://git.kernel.org/stable/c/df86e2fe808c3536a9dba353cc2bebdfea00d0cf
- https://git.kernel.org/stable/c/e629e7b525a179e29d53463d992bdee759c950fb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.96
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.176