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CVE-2022-1055 High

Use after Free in tc_new_tfilter allowing for privilege escalation in Linux Kernel

A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5

Exploit probability 0.5%
Published March 29, 2022
Required by Not available
Last source change July 15, 2026

02 / AFFECTED SOFTWARE

Affected packages

Unknown Unknown

712 explicit affected versions

Android :linux_kernel:

1 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities CVE-2022-1055

A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5

View original source

05 / REFERENCES

Further evidence