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Public PoC Released for Linux Kernel Bridge Use-After-Free Vulnerability

ID: bb71fce8-8ab9-55f2-8581-8cce4276eae5

STIX ID: report--bb71fce8-8ab9-55f2-8581-8cce4276eae5

Feed Name: cybersecurityNews.com

Threat Score
70/100

Date Published: 2026-08-06

Date Updated: 2026-08-06

Author: Abinaya

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Linux kernel bridge (STP) use-after-free vulnerability can leave STP timers referencing freed net_device memory, causing memory corruption and potentially enabling control-flow hijacking; a public PoC is available and a patch (commit 2a00517db8de4be7df3d483b215c5544fb30a191) has been released — affected systems should be updated and untrusted bridge configuration access restricted until patched.

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