Integer underflow in Linux kernel hwmon driver



| Updated: 2025-05-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-46757
CWE-ID CWE-191
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) Integer underflow

EUVDB-ID: #VU97552

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-46757

CWE-ID: CWE-191 - Integer underflow

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer underflow within the store_temp_offset() function in drivers/hwmon/nct6775.c. A local user can execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 4.19 - 6.10.9

CPE2.3 External links

https://git.kernel.org/stable/c/298a55f11edd811f2189b74eb8f53dee34d4f14c
https://git.kernel.org/stable/c/d6035c55fa9afefc23f85f57eff1d4a1d82c5b10
https://git.kernel.org/stable/c/8a1e958e26640ce015abdbb75c8896301b9bf398
https://git.kernel.org/stable/c/02bb3b4c7d5695ff4be01e0f55676bba49df435e
https://git.kernel.org/stable/c/0c23e18cef20b989a9fd7cb0a745e1259b969159
https://git.kernel.org/stable/c/2f695544084a559f181cafdfd3f864c5ff9dd1db
https://git.kernel.org/stable/c/996221b030995cc5f5baa4a642201d64b62a17cd
https://git.kernel.org/stable/c/0403e10bf0824bf0ec2bb135d4cf1c0cc3bf4bf0
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.322
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.226
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.284
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.110
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51


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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