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CVE-2024-26894

6.0 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit() After unregistering the CPU idle device, the memory associ…

Published Apr 17, 2024CWE-770EPSS 0.25%

Overview

CVE-2024-26894 is a medium-severity vulnerability. It was published on April 17, 2024 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.0, 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:

ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()

After unregistering the CPU idle device, the memory associated with

it is not freed, leading to a memory leak:

unreferenced object 0xffff896282f6c000 (size 1024):

comm "swapper/0", pid 1, jiffies 4294893170

hex dump (first 32 bytes):

00 00 00 00 0b 00 00 00 00 00 00 00 00 00 00 00 ................

00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

backtrace (crc 8836a742):

[<ffffffff993495ed>] kmalloc_trace+0x29d/0x340

[<ffffffff9972f3b3>] acpi_processor_power_init+0xf3/0x1c0

[<ffffffff9972d263>] __acpi_processor_start+0xd3/0xf0

[<ffffffff9972d2bc>] acpi_processor_start+0x2c/0x50

[<ffffffff99805872>] really_probe+0xe2/0x480

[<ffffffff99805c98>] __driver_probe_device+0x78/0x160

[<ffffffff99805daf>] driver_probe_device+0x1f/0x90

[<ffffffff9980601e>] __driver_attach+0xce/0x1c0

[<fffffff

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refgit.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2Refgit.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbcRefgit.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73eRefgit.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5Refgit.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9Refgit.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09faRefgit.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51Refgit.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716dRefgit.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8Refgit.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2

How CyberStrike helps

Frequently asked questions

What is CVE-2024-26894?

CVE-2024-26894 is a medium-severity vulnerability. It was published on April 17, 2024 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

How severe is CVE-2024-26894?

This vulnerability has a CVSS 3.1 base score of 6.0, 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-2024-26894?

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

How can CyberStrike help with CVE-2024-26894?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-26894 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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