NULL pointer dereference in Linux kernel trace events



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-49065
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: #VU104623

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-2022-49065

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 include/trace/events/sunrpc.h. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

CPE2.3 External links

https://git.kernel.org/stable/c/4d5004451ab2218eab94a30e1841462c9316ba19
https://git.kernel.org/stable/c/726ae7300fcc25fefa46d188cc07eb16dc908f9e
https://git.kernel.org/stable/c/85ee17ca21cf92989e8c923e3ea4514c291e9d38
https://git.kernel.org/stable/c/c2456f470eea3bd06574d988bf6089e7c3f4c5cc


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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