Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2026-53112

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet The irq_prepare_bcn_tasklet is ini…

Published Jun 24, 2026CWE-416EPSS 0.17%

Overview

CVE-2026-53112 is a high-severity vulnerability. It was published on June 24, 2026 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:

wifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet

The irq_prepare_bcn_tasklet is initialized in rtl_pci_init() and

scheduled when RTL_IMR_BCNINT interrupt is triggered by hardware.

But it is never killed in rtl_pci_deinit(). When the rtlwifi card

probe fails or is being detached, the ieee80211_hw is deallocated.

However, irq_prepare_bcn_tasklet may still be running or pending,

leading to use-after-free when the freed ieee80211_hw is accessed

in _rtl_pci_prepare_bcn_tasklet().

Similar to irq_tasklet, add tasklet_kill() in rtl_pci_deinit() to

ensure that irq_prepare_bcn_tasklet is properly terminated before

the ieee80211_hw is released.

The issue was identified through static analysis.

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/008c456b76e9070979bc0e763897a5d3b0fdd4dcRefgit.kernel.org/stable/c/039cd522dc70151da13329a5e3ae19b1736f468aRefgit.kernel.org/stable/c/3c0e8a3179e6325a7dc6ce221aef0e03d854ab4bRefgit.kernel.org/stable/c/7731b67bd59d1284d150cbe40a47e95a10613234Refgit.kernel.org/stable/c/aa10a452e34810987fb9f4a047995b30003fb53fRefgit.kernel.org/stable/c/ae10d4a1ab6bcaa1336abb171908a9a365761d3eRefgit.kernel.org/stable/c/e40873820c9d245ce482faa7ad514ebdb3b8d23dRefgit.kernel.org/stable/c/fac1079e0fdec6df6d7562c21941587236dc3def

How CyberStrike helps

Frequently asked questions

What is CVE-2026-53112?

CVE-2026-53112 is a high-severity vulnerability. It was published on June 24, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-53112?

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-2026-53112?

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-2026-53112?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-53112 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 2026

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999