CVE-2024-26725

5.5 · MEDIUM

Published Apr 3, 2024 linux CWE-667 EPSS 0.15% (5th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-26725 is a medium-severity vulnerability affecting linux linux_kernel. It was published on April 3, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

dpll: fix possible deadlock during netlink dump operation

Recently, I've been hitting following deadlock warning during dpll pin

dump:

[52804.637962] ======================================================

[52804.638536] WARNING: possible circular locking dependency detected

[52804.639111] 6.8.0-rc2jiri+ #1 Not tainted

[52804.639529] ------------------------------------------------------

[52804.640104] python3/2984 is trying to acquire lock:

[52804.640581] ffff88810e642678 (nlk_cb_mutex-GENERIC){+.+.}-{3:3}, at: netlink_dump+0xb3/0x780

[52804.641417]

but task is already holding lock:

[52804.642010] ffffffff83bde4c8 (dpll_lock){+.+.}-{3:3}, at: dpll_lock_dumpit+0x13/0x20

[52804.642747]

which lock already depends on the new lock.

[52804.643551]

the existing dependency chain (in reverse order) is:

[52804.644259]

-> #1 (dpll_lock){+.+.}-{3:3}:

[52804.644836]

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor	Product	Versions	Status
linux	linux_kernel	>= 6.7, < 6.7.6	Affected

References

Ref git.kernel.org/stable/c/087739cbd0d0b87b6cec2c0799436ac66e24acc8 Ref git.kernel.org/stable/c/53c0441dd2c44ee93fddb5473885fd41e4bc2361 Ref git.kernel.org/stable/c/087739cbd0d0b87b6cec2c0799436ac66e24acc8 Ref git.kernel.org/stable/c/53c0441dd2c44ee93fddb5473885fd41e4bc2361

Frequently Asked Questions

What is CVE-2024-26725?

CVE-2024-26725 is a medium-severity vulnerability affecting linux linux_kernel. It was published on April 3, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-26725?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-26725?

How can CyberStrike help with CVE-2024-26725?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-26725 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

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