CVE-2022-30594

high

Description

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.

References

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://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee1fee900537b5d9560e9f937402de5ddc8412f3

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

https://security.netapp.com/advisory/ntap-20220707-0001/

http://packetstormsecurity.com/files/170362/Linux-PT_SUSPEND_SECCOMP-Permission-Bypass-Ptracer-Death-Race.html

Details

Source: MITRE

Published: 2022-05-12

Updated: 2023-02-23

Type: CWE-863

Risk Information

CVSS v2

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

CVSS v3

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