NULL pointer dereference in Linux kernel mm



| Updated: 2025-05-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-52490
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: #VU90624

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-2023-52490

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 mm/migrate.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.6 - 6.8 rc5

CPE2.3 External links

https://git.kernel.org/stable/c/9128bfbc5c80d8f4874dd0a0424d1f5fb010df1b
https://git.kernel.org/stable/c/3889a418b6eb9a1113fb989aaadecf2f64964767
https://git.kernel.org/stable/c/d1adb25df7111de83b64655a80b5a135adbded61
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.15
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.3
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8


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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