Bug 2085300 (CVE-2022-30594) - CVE-2022-30594 kernel: mishandled seccomp permissions
Summary: CVE-2022-30594 kernel: mishandled seccomp permissions
Keywords:
Status: NEW
Alias: CVE-2022-30594
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
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Depends On:
Blocks: 2085301
TreeView+ depends on / blocked
 
Reported: 2022-05-12 23:54 UTC by Anten Skrabec
Modified: 2022-06-04 08:05 UTC (History)
52 users (show)

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Description Anten Skrabec 2022-05-12 23:54:00 UTC 
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://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee1fee900537b5d9560e9f937402de5ddc8412f3
https://github.com/torvalds/linux/commit/ee1fee900537b5d9560e9f937402de5ddc8412f3
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