PT-2024-32179 · Linux · Linux Kernel

Eduard Zingerman · Published 2024-08-31 · Updated 2025-09-26 · CVE-2024-46764

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

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

Description The issue occurs in the btf name valid section() function when the length of the name string is 1 and the value of name[0] is a NULL byte, causing an out-of-bounds vulnerability. The return value is true, allowing the invalid name to pass the check. To resolve this, it is necessary to check if the first position is a NULL byte and if the first character is printable.

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

Exploit

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2026-03541

BDU:2026-04264

CVE-2024-46764

Affected Products

Linux Kernel

References · 21

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/46xxx/CVE-2024-46764.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-46764 · Security Note
• https://git.kernel.org/stable/c/c8ffe2d4d37a05ce18c71b87421443c16f8475e5 · Patch
• https://security-tracker.debian.org/tracker/CVE-2024-46764 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2024-46764 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-46764 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-46764 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03541 · Security Note
• https://ubuntu.com/security/CVE-2024-46764 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2024-46764 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2024-46764 · Security Note
• https://bdu.fstec.ru/vul/2026-04264 · Security Note
• https://git.kernel.org/stable/c/bb6705c3f93bed2af03d43691743d4c43e3c8e6f · Patch
• https://t.me/cveNotify/136622 · Telegram Post
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10 · Note