Incorrect Default Permissions Affecting kernel-rt-debug-modules-extra package, versions <0:4.18.0-477.10.1.rt7.274.el8_8
Threat Intelligence
EPSS
0.11% (46th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTDEBUGMODULESEXTRA-2824685
- published 13 May 2022
- disclosed 12 May 2022
Introduced: 12 May 2022
CVE-2022-30594 Open this link in a new tabHow to fix?
Upgrade Centos:8 kernel-rt-debug-modules-extra to version 0:4.18.0-477.10.1.rt7.274.el8_8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules-extra package and not the kernel-rt-debug-modules-extra package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
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://access.redhat.com/security/cve/CVE-2022-30594
- http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html
- http://packetstormsecurity.com/files/170362/Linux-PT_SUSPEND_SECCOMP-Permission-Bypass-Ptracer-Death-Race.html
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2276
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee1fee900537b5d9560e9f937402de5ddc8412f3
- https://github.com/torvalds/linux/commit/ee1fee900537b5d9560e9f937402de5ddc8412f3
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
- https://security.netapp.com/advisory/ntap-20220707-0001/
- https://www.debian.org/security/2022/dsa-5173
CVSS Scores
version 3.1