CVE-2024-53687

5.5 · MEDIUM

Published Jan 11, 2025 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-2024-53687 is a medium-severity vulnerability affecting linux linux_kernel. It was published on January 11, 2025 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:

riscv: Fix IPIs usage in kfence_protect_page()

flush_tlb_kernel_range() may use IPIs to flush the TLBs of all the

cores, which triggers the following warning when the irqs are disabled:

[ 3.455330] WARNING: CPU: 1 PID: 0 at kernel/smp.c:815 smp_call_function_many_cond+0x452/0x520

[ 3.456647] Modules linked in:

[ 3.457218] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-rc7-00010-g91d3de7240b8 #1

[ 3.457416] Hardware name: QEMU QEMU Virtual Machine, BIOS

[ 3.457633] epc : smp_call_function_many_cond+0x452/0x520

[ 3.457736] ra : on_each_cpu_cond_mask+0x1e/0x30

[ 3.457786] epc : ffffffff800b669a ra : ffffffff800b67c2 sp : ff2000000000bb50

[ 3.457824] gp : ffffffff815212b8 tp : ff6000008014f080 t0 : 000000000000003f

[ 3.457859] t1 : ffffffff815221e0 t2 : 000000000000000f s0 : ff2000000000bc10

[ 3.457920] s1 : 0000000000000040 a0 : ffffffff815221e0 a1 : 0000000000000001

[ 3.45

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	>= 5.14, < 6.6.67	Affected

References

Ref git.kernel.org/stable/c/3abfc4130c4222099c69d023fed97f1180a8ad7b Ref git.kernel.org/stable/c/6f796a6a396d6f963f2cc8f5edd7dfba2cca097f Ref git.kernel.org/stable/c/b3431a8bb336cece8adc452437befa7d4534b2fd

Frequently Asked Questions

What is CVE-2024-53687?

CVE-2024-53687 is a medium-severity vulnerability affecting linux linux_kernel. It was published on January 11, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-53687?

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-2024-53687?

How can CyberStrike help with CVE-2024-53687?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-53687 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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