CVE-2026-64011 (CVSS 7.8)

Description

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: Fix use-after-free in llcp_sock_release() llcp_sock_release() unconditionally unlinks the socket from the local sockets list. However, if the socket is still in connecting state, it is on the connecting list. Fix this by checking the socket state and unlinking from the correct list.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0013

Probability of exploitation

0.03%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/2dfdaaf7d933b676124aadec6698825e95f94fe9 https://git.kernel.org/stable/c/89ba026747019ee643d29407435ddc118e6ca908 https://git.kernel.org/stable/c/912ebc49d4406a17fe73e5671d674fbc2f6b2634 https://git.kernel.org/stable/c/bc421d0826dedbba37580a25405eafb599e76d42 https://git.kernel.org/stable/c/cdc17e09a636c7f936f771902535a7515a7608fc https://git.kernel.org/stable/c/e00f50f8697724a6f1d2d35744c1332c9912dac5 https://git.kernel.org/stable/c/f4268b466190dae95a7585f69b4f1f8ad097632c https://git.kernel.org/stable/c/fb29f6bbe433f3decad227588809636c25f2a287

Frequently Asked Questions

What is CVE-2026-64011? +

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: Fix use-after-free in llcp_sock_release() llcp_sock_release() unconditionally unlinks the socket from the local sockets list. However, if the socket is still in connecting state, it is on the connecting list. Fix this by checking the socket state and unlinking from the correct list. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-64011? +

CVE-2026-64011 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0013, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-64011? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

CVE-2026-64011