CVE-2024-46848

5.5 · MEDIUM

Published Sep 27, 2024 linux EPSS 0.22% (12th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-46848 is a medium-severity vulnerability affecting linux linux_kernel. It was published on September 27, 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:

perf/x86/intel: Limit the period on Haswell

Running the ltp test cve-2015-3290 concurrently reports the following

warnings.

perfevents: irq loop stuck!

WARNING: CPU: 31 PID: 32438 at arch/x86/events/intel/core.c:3174

intel_pmu_handle_irq+0x285/0x370

Call Trace:

<NMI>

? __warn+0xa4/0x220

? intel_pmu_handle_irq+0x285/0x370

? __report_bug+0x123/0x130

? intel_pmu_handle_irq+0x285/0x370

? __report_bug+0x123/0x130

? intel_pmu_handle_irq+0x285/0x370

? report_bug+0x3e/0xa0

? handle_bug+0x3c/0x70

? exc_invalid_op+0x18/0x50

? asm_exc_invalid_op+0x1a/0x20

? irq_work_claim+0x1e/0x40

? intel_pmu_handle_irq+0x285/0x370

perf_event_nmi_handler+0x3d/0x60

nmi_handle+0x104/0x330

Thanks to Thomas Gleixner's analysis, the issue is caused by the low

initial period (1) of the frequency estimation algorithm, which triggers

the defects of the HW, specifically erratum HSW11 and HSW143. (For

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	>= 3.11, < 6.1.110	Affected

References

Ref git.kernel.org/stable/c/0eaf812aa1506704f3b78be87036860e5d0fe81d Ref git.kernel.org/stable/c/15210b7c8caff4929f25d049ef8404557f8ae468 Ref git.kernel.org/stable/c/25dfc9e357af8aed1ca79b318a73f2c59c1f0b2b Ref git.kernel.org/stable/c/8717dc35c0e5896f4110f4b3882f7ff787a5f73d Ref lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Frequently Asked Questions

What is CVE-2024-46848?

CVE-2024-46848 is a medium-severity vulnerability affecting linux linux_kernel. It was published on September 27, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-46848?

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-2024-46848?

How can CyberStrike help with CVE-2024-46848?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-46848 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.

How CyberStrike Helps

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HackBrowser

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