CVE-2024-46759: linux kernel Integer Underflow — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: hwmon: (adc128d818) Fix underflows seen when writing limit attributes DIV_ROUND_CLOSEST() after kstrtol() results in an underflow if a large negative number such as -9223372036854775808 is provided by the user. Fix it by reordering clamp_val() and DIV_ROUND_CLOSEST() operations.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-191 CWE-191

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 4.19.322
linux	linux_kernel	4.20 — 5.4.284
linux	linux_kernel	5.5 — 5.10.226
linux	linux_kernel	5.11 — 5.15.167
linux	linux_kernel	5.16 — 6.1.110
linux	linux_kernel	6.2 — 6.6.51
linux	linux_kernel	6.7 — 6.10.10

References

Advisories & Patches

https://git.kernel.org/stable/c/019ef2d396363ecddc46e826153a842f8603799b https://git.kernel.org/stable/c/05419d0056dcf7088687e561bb583cc06deba777 https://git.kernel.org/stable/c/2a3add62f183459a057336381ef3a896da01ce38 https://git.kernel.org/stable/c/6891b11a0c6227ca7ed15786928a07b1c0e4d4af https://git.kernel.org/stable/c/7645d783df23878342d5d8d22030c3861d2d5426 https://git.kernel.org/stable/c/8cad724c8537fe3e0da8004646abc00290adae40 https://git.kernel.org/stable/c/b0bdb43852bf7f55ba02f0cbf00b4ea7ca897bff https://git.kernel.org/stable/c/f7f5101af5b47a331cdbfa42ba64c507b47dd1fe

Other References

https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html https://cert-portal.siemens.com/productcert/html/ssa-265688.html https://cert-portal.siemens.com/productcert/html/ssa-355557.html

Frequently Asked Questions

What is CVE-2024-46759? +

In the Linux kernel, the following vulnerability has been resolved: hwmon: (adc128d818) Fix underflows seen when writing limit attributes DIV_ROUND_CLOSEST() after kstrtol() results in an underflow if a large negative number such as -9223372036854775808 is provided by the user. Fix it by reordering clamp_val() and DIV_ROUND_CLOSEST() operations. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-46759? +

CVE-2024-46759 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-46759? +

CVE-2024-46759 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-46759? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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