VYPR
Medium severity5.5NVD Advisory· Published Jun 25, 2026· Updated Sep 8, 2026

CVE-2026-53236

CVE-2026-53236

Description

In the Linux kernel, the following vulnerability has been resolved:

tcp: restrict SO_ATTACH_FILTER to priv users

This patch restricts the use of SO_ATTACH_FILTER (cBPF) on TCP sockets to users with CAP_NET_ADMIN capability.

This blocks potential side-channel attack where an unprivileged application attaches a filter to leak TCP sequence/acknowledgment numbers.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

34

Patches

Vulnerability mechanics

References

7

News mentions

0

No linked articles in our index yet.