This bug was fixed in the package linux - 2.6.32-62.126
---------------
linux (2.6.32-62.126) lucid; urgency=low
[ Upstream Kernel Changes ]
* x86_64,ptrace: Enforce RIP <= TASK_SIZE_MAX (CVE-2014-4699)
- LP: #1337339
- CVE-2014-4699
-- Luis Henriques <luis.henriq...@canonical.com> Fri, 04 Jul 2014 11:45:45
+0100
** Changed in: linux (Ubuntu Lucid)
Status: New => Fix Released
** Changed in: linux (Ubuntu Lucid)
Status: New => Fix Released
--
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https://bugs.launchpad.net/bugs/1337339
Title:
x86_64,ptrace: Enforce RIP <= TASK_SIZE_MAX (CVE-2014-4699)
Status in “linux” package in Ubuntu:
New
Status in “linux-armadaxp” package in Ubuntu:
New
Status in “linux-ec2” package in Ubuntu:
Fix Released
Status in “linux-fsl-imx51” package in Ubuntu:
New
Status in “linux-lts-quantal” package in Ubuntu:
Fix Released
Status in “linux-lts-raring” package in Ubuntu:
Fix Released
Status in “linux-lts-saucy” package in Ubuntu:
Fix Released
Status in “linux-mvl-dove” package in Ubuntu:
New
Status in “linux-ti-omap4” package in Ubuntu:
New
Status in “linux” source package in Lucid:
New
Status in “linux” source package in Precise:
Fix Released
Status in “linux” source package in Saucy:
New
Status in “linux” source package in Trusty:
New
Status in “linux” source package in Utopic:
New
Bug description:
Don't allow ptrace to set RIP to a value that couldn't happen by
ordinary control flow. There are CPU bugs^Wfeatures that can have
interesting effects if RIP is non-canonical. I didn't make the
corresponding x86_32 change, since x86_32 has no concept of canonical
addresses. putreg32 doesn't need this fix: value is only 32 bits, so
it can't be non-canonical.
Break-Fix: 427abfa28afedffadfca9dd8b067eb6d36bac53f
b9cd18de4db3c9ffa7e17b0dc0ca99ed5aa4d43a
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