Buffer overflow in Linux kernel mm



| Updated: 2025-05-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-48797
CWE-ID CWE-119
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) Buffer overflow

EUVDB-ID: #VU94477

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-2022-48797

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to memory corruption within the change_pte_range() function in mm/mprotect.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/254090925e16abd914c87b4ad1b489440d89c4c3
https://git.kernel.org/stable/c/b3dc4b9d3ca68b370c4aeab5355007eedf948849
https://git.kernel.org/stable/c/d187eeb02d18446e5e54ed6bcbf8b47e6551daea
https://git.kernel.org/stable/c/80d47f5de5e311cbc0d01ebb6ee684e8f4c196c6
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.102
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.25
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.11
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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