PT-2024-3475 · Linux · Linux Kernel

Published 2024-01-25 · Updated 2024-06-20 · CVE-2024-26639

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

AV:L/AC:L/Au:S/C:N/I:N/A:C

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

Description The issue is related to a function pfn valid() in the Linux kernel's memory management subsystem, which can cause an infinite recursion. This could allow an attacker to cause a denial of service. The problem is associated with the RCU critical section in the mm and kmsan components of the kernel.

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

Uncontrolled Recursion

Weakness Enumeration

CWE-674

Related Identifiers

BDU:2024-03770

CVE-2024-26639

DSA-5658-1

Affected Products

Linux Kernel

References · 18

• https://ubuntu.com/security/CVE-2024-26639 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2024-26639 · Security Note
• https://bdu.fstec.ru/vul/2024-03770 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-26639 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-26639 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5658-1 · Vendor Advisory
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.4 · Note
• https://git.kernel.org/stable/c/f6564fce256a3944aa1bc76cb3c40e792d97c1eb · Note
• https://git.kernel.org/stable/c/dc904345e3771aa01d0b8358b550802fdc6fe00b · Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.16 · Note
• https://xn--80ahaefyxhn.xn--j1afgaq.xn--p1ai/bin/view/%D0%9E%D0%A1%D0%BD%D0%BE%D0%B2%D0%B0/%D0%9E%D0%B1%D0%BD%D0%BE%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F/2.11 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26639 · Note
• https://twitter.com/VulmonFeeds/status/1769710142545653984 · Twitter Post
• https://git.kernel.org/stable/c/5a33420599fa0288792537e6872fd19cc8607ea6 · Note
• https://git.kernel.org/stable/c/6335c0cdb2ea0ea02c999e04d34fd84f69fb27ff · Note