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AUSCERT External Security Bulletin Redistribution
[SECURITY] [DLA 1863-1] linux-4.9 security update
24 July 2019
AusCERT Security Bulletin Summary
Product: linux kernel
Operating System: Debian GNU/Linux 8
Impact/Access: Root Compromise -- Existing Account
CVE Names: CVE-2019-13272
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Package : linux-4.9
Version : 4.9.168-1+deb9u4~deb8u1
CVE ID : CVE-2019-13272
Jann Horn discovered that the ptrace subsystem in the Linux kernel
mishandles the management of the credentials of a process that wants
to create a ptrace relationship, allowing a local user to obtain root
privileges under certain scenarios.
For Debian 8 "Jessie", this problem has been fixed in version
We recommend that you upgrade your linux-4.9 packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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