Improper error handling in Linux kernel - CVE-2022-49782
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108328
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-2022-49782
CWE-ID: CWE-388
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 improper error handling within the __perf_event_overflow() function in kernel/events/core.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49782
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/35c60b4e8ca76712dd03bafe2598e31578248916
- https://git.kernel.org/stable/c/b09221f1b4944d2866d06ac35e59d7a6f8916c9f
- https://git.kernel.org/stable/c/bb88f9695460bec25aa30ba9072595025cf6c8af
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.80
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1