CVE-2024-26876

5.5 · MEDIUM

Published Apr 17, 2024 linux CWE-908 EPSS 0.22% (13th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-26876 is a medium-severity vulnerability affecting linux linux_kernel. It was published on April 17, 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:

drm/bridge: adv7511: fix crash on irq during probe

Moved IRQ registration down to end of adv7511_probe().

If an IRQ already is pending during adv7511_probe

(before adv7511_cec_init) then cec_received_msg_ts

could crash using uninitialized data:

Unable to handle kernel read from unreadable memory at virtual address 00000000000003d5

Internal error: Oops: 96000004 [#1] PREEMPT_RT SMP

Call trace:

cec_received_msg_ts+0x48/0x990 [cec]

adv7511_cec_irq_process+0x1cc/0x308 [adv7511]

adv7511_irq_process+0xd8/0x120 [adv7511]

adv7511_irq_handler+0x1c/0x30 [adv7511]

irq_thread_fn+0x30/0xa0

irq_thread+0x14c/0x238

kthread+0x190/0x1a8

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	>= 4.15, < 6.6.55	Affected

References

Ref git.kernel.org/stable/c/28a94271bd50e4cf498df0381f776f8ea40a289e Ref git.kernel.org/stable/c/50f4b57e9a9db4ede9294f39b9e75b5f26bae9b7 Ref git.kernel.org/stable/c/955c1252930677762e0db2b6b9e36938c887445c Ref git.kernel.org/stable/c/aeedaee5ef5468caf59e2bb1265c2116e0c9a924 Ref git.kernel.org/stable/c/28a94271bd50e4cf498df0381f776f8ea40a289e Ref git.kernel.org/stable/c/955c1252930677762e0db2b6b9e36938c887445c Ref git.kernel.org/stable/c/aeedaee5ef5468caf59e2bb1265c2116e0c9a924

Frequently Asked Questions

What is CVE-2024-26876?

CVE-2024-26876 is a medium-severity vulnerability affecting linux linux_kernel. It was published on April 17, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-26876?

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-2024-26876?

How can CyberStrike help with CVE-2024-26876?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-26876 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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