Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2023-53660

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: bpf, cpumap: Handle skb as well when clean up ptr_ring The following warning was reported when running xdp_redirect_cpu with bo…

Published Oct 7, 2025EPSS 0.16%

Overview

CVE-2023-53660 is a high-severity vulnerability. It was published on October 7, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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:

bpf, cpumap: Handle skb as well when clean up ptr_ring

The following warning was reported when running xdp_redirect_cpu with

both skb-mode and stress-mode enabled:

------------[ cut here ]------------

Incorrect XDP memory type (-2128176192) usage

WARNING: CPU: 7 PID: 1442 at net/core/xdp.c:405

Modules linked in:

CPU: 7 PID: 1442 Comm: kworker/7:0 Tainted: G 6.5.0-rc2+ #1

Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)

Workqueue: events __cpu_map_entry_free

RIP: 0010:__xdp_return+0x1e4/0x4a0

......

Call Trace:

<TASK>

? show_regs+0x65/0x70

? __warn+0xa5/0x240

? __xdp_return+0x1e4/0x4a0

......

xdp_return_frame+0x4d/0x150

__cpu_map_entry_free+0xf9/0x230

process_one_work+0x6b0/0xb80

worker_thread+0x96/0x720

kthread+0x1a5/0x1f0

ret_from_fork+0x3a/0x70

ret_from_fork_asm+0x1b/0x30

</TASK>

The reason for the warning is twofold. One is due to the kthread

cpu_m

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/7c62b75cd1a792e14b037fa4f61f9b18914e7de1Refgit.kernel.org/stable/c/937345720d18f1ad006ba3d5dcb3fa121037b8a2Refgit.kernel.org/stable/c/b58d34068fd9f96bfc7d389988dfaf9a92a8fe00Refgit.kernel.org/stable/c/cbd000451885801e9bbfd9cf7a7946806a85cb5e

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53660?

CVE-2023-53660 is a high-severity vulnerability. It was published on October 7, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-53660?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-53660?

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-2023-53660?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53660 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.

Related HIGH CVEs from 2023

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999