NULL pointer dereference in Linux kernel events intel



| Updated: 2025-05-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-48713
CWE-ID CWE-476
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU92920

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: CVE-2022-48713

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the pt_handle_status() function in arch/x86/events/intel/pt.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.10 - 5.17 rc12

CPE2.3 External links

https://git.kernel.org/stable/c/456f041e035913fcedb275aff6f8a71dfebcd394
https://git.kernel.org/stable/c/e83d941fd3445f660d2f43647c580a320cc384f6
https://git.kernel.org/stable/c/feffb6ae2c80b9a8206450cdef90f5943baced99
https://git.kernel.org/stable/c/1d9093457b243061a9bba23543c38726e864a643
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.99
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.22
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.8
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17


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.



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