PT-2024-7711 · Linux+2 · Linux Kernel+2

Florian Westphal · Published 2024-02-19 · Updated 2024-10-25 · CVE-2024-26834

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 The vulnerability is related to a memory leak in the nft flow offload component of the Linux kernel. Specifically, the issue arises when the direct xmit path is used, and the dst release() function is called. This can lead to an unreferenced object, as reported by kmemleak. The vulnerability may allow an attacker to cause a denial of service. Technical details include the involvement of functions such as kmem cache alloc(), dst alloc(), and nft flow offload eval().

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2024-09171

CVE-2024-26834

Affected Products

Astra Linux

Linux Kernel

Red Os

References · 27

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26834.json · Exploit
• https://osv.dev/vulnerability/CVE-2024-26834 · Vendor Advisory
• https://git.kernel.org/stable/c/2d17cf10179a7de6d8f0128168b84ad0b4a1863f · Patch
• https://git.kernel.org/stable/c/8762785f459be1cfe6fcf7285c123aad6a3703f0 · Patch
• https://git.kernel.org/stable/c/a6cafdb49a7bbf4a88367db209703eee6941e023 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2024-26834 · Vendor Advisory
• https://git.kernel.org/stable/c/13b57b5cd591d5b22f9bbf047b2922967de411f3 · Patch
• https://osv.dev/vulnerability/BELL-CVE-2024-26834 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-09171 · Security Note
• https://git.kernel.org/stable/c/9256ab9232e35a16af9c30fa4e522e6d1bd3605a · Patch
• https://cve.org/CVERecord?id=CVE-2024-26834 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-26834 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-26834 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2024-26834 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26834 · Vendor Advisory