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

• CWE-416
• CWE-416

• http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.htmlThird Party Advisory, VDB Entry
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5Patch, Vendor Advisory
• https://kernel.dance/#04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5Exploit, Patch, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20220506-0007/Third Party Advisory
• https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffcExploit, Patch, Third Party Advisory
• http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.htmlThird Party Advisory, VDB Entry
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5Patch, Vendor Advisory
• https://kernel.dance/#04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5Exploit, Patch, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20220506-0007/Third Party Advisory
• https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffcExploit, Patch, Third Party Advisory

Published

Mar 29, 2022

Last Modified

Jul 29, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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