CVE-2022-1199

A flaw was found in the Linux kernel. This flaw allows an attacker to crash the Linux kernel by simulating amateur radio from the user space, resulting in a null-ptr-deref vulnerability and a use-after-free vulnerability.

• CWE-416
• CWE-416
• CWE-476

• https://access.redhat.com/security/cve/CVE-2022-1199Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2070694Issue Tracking, Third Party Advisory
• https://github.com/torvalds/linux/commit/4e0f718daf97d47cf7dec122da1be970f145c809Patch, Third Party Advisory
• https://github.com/torvalds/linux/commit/71171ac8eb34ce7fe6b3267dce27c313ab3cb3acPatch, Third Party Advisory
• https://github.com/torvalds/linux/commit/7ec02f5ac8a5be5a3f20611731243dc5e1d9ba10Patch, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20221228-0006/Third Party Advisory
• https://www.openwall.com/lists/oss-security/2022/04/02/5Mailing List, Third Party Advisory
• https://access.redhat.com/security/cve/CVE-2022-1199Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2070694Issue Tracking, Third Party Advisory
• https://github.com/torvalds/linux/commit/4e0f718daf97d47cf7dec122da1be970f145c809Patch, Third Party Advisory
• https://github.com/torvalds/linux/commit/71171ac8eb34ce7fe6b3267dce27c313ab3cb3acPatch, Third Party Advisory
• https://github.com/torvalds/linux/commit/7ec02f5ac8a5be5a3f20611731243dc5e1d9ba10Patch, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20221228-0006/Third Party Advisory
• https://www.openwall.com/lists/oss-security/2022/04/02/5Mailing List, Third Party Advisory

Published

Aug 29, 2022

Last Modified

Jun 17, 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.
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