The Linux kernel before 5.17.2 mishandles seccomp permissions. The PTRACE_SEIZE code path allows attackers to bypass intended restrictions on setting the PT_SUSPEND_SECCOMP flag.
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2
https://bugs.chromium.org/p/project-zero/issues/detail?id=2276
https://github.com/torvalds/linux/commit/ee1fee900537b5d9560e9f937402de5ddc8412f3
http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
https://www.debian.org/security/2022/dsa-5173
Source: MITRE
Published: 2022-05-12
Updated: 2023-02-23
Type: CWE-863
Base Score: 4.4
Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 3.4
Severity: MEDIUM
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH