PT-2024-32251 · Linux · Linux Kernel

Tomas Paukrt · Published 2024-09-06 · Updated 2024-10-01 · CVE-2024-46856

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A NULL pointer dereference issue has been resolved in the Linux kernel, specifically in the net: phy: dp83822 module, which affects DP83825 devices. The probe() function is only used for DP83822 and DP83826 PHY, leaving the private data pointer uninitialized for the DP83825 models, causing a NULL pointer dereference in the dp8382x config init() and dp83822 set wol() functions. The addition of the dp8382x probe() function fixes this issue and prevents similar issues in the future.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-467

CWE-476

Related Identifiers

BDU:2025-05933

CVE-2024-46856

Affected Products

Linux Kernel

References · 22

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/46xxx/CVE-2024-46856.json · Exploit
• https://bdu.fstec.ru/vul/2025-05933 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2024-46856 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-46856 · Security Note
• https://cve.org/CVERecord?id=CVE-2024-46856 · Security Note
• https://git.kernel.org/stable/c/3f62ea572b3e8e3f10c39a9cb4f04ca9ae5f2952 · Patch
• https://git.kernel.org/stable/c/67b61e2f4c9c5df97a9a2ef7a1fe35eae00531f4 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-46856 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-46856 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2024-46856 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2024-46856 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-46856 · Vendor Advisory
• https://twitter.com/CVEnew/status/1839659104694116605 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1839704610899988935 · Twitter Post
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.11 · Note