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CVE-2024-46848

5.5 · MEDIUM

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.

Published Sep 27, 2024EPSS 0.22%

Overview

CVE-2024-46848 is a medium-severity vulnerability. 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, 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/0eaf812aa1506704f3b78be87036860e5d0fe81dRefgit.kernel.org/stable/c/15210b7c8caff4929f25d049ef8404557f8ae468Refgit.kernel.org/stable/c/25dfc9e357af8aed1ca79b318a73f2c59c1f0b2bRefgit.kernel.org/stable/c/8717dc35c0e5896f4110f4b3882f7ff787a5f73dReflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-46848?

CVE-2024-46848 is a medium-severity vulnerability. 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?

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-2024-46848?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-46848 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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