Bug 1858294 (CVE-2007-4774) - CVE-2007-4774 kernel: race condition can wake up a PTRACED process
Summary: CVE-2007-4774 kernel: race condition can wake up a PTRACED process
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2007-4774
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1858295
TreeView+ depends on / blocked
 
Reported: 2020-07-17 13:06 UTC by Guilherme de Almeida Suckevicz
Modified: 2023-10-06 21:09 UTC (History)
47 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2020-07-23 19:27:35 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2020-07-17 13:06:18 UTC 
The Linux kernel before 2.4.36-rc1 has a race condition. It was possible to bypass systrace policies by flooding the ptraced process with SIGCONT signals, which can can wake up a PTRACED process.

References:
http://taviso.decsystem.org/research.html
https://osdn.net/projects/linux-kernel-docs/scm/git/linux-2.4.36/listCommit?skip=60
Comment 1 Product Security DevOps Team 2020-07-23 19:27:35 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2007-4774
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