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Debian: DSA-2508-1 Moderate: kfreebsd-8 Privilege Escalation Advisory

debian
Calendar Grey July 22, 2012
Scroller Debian
Debian Security Notice DSA-2509-1 concerns privilege escalation risks in kfreebsd-9 kernel updates.
Rafal Wojtczuk from Bromium discovered that FreeBSD wasn't handling correctly uncanonical return addresses on Intel amd64 CPUs, allowing privilege escalation to kernel for local us...
Topics%20covered

Topics Covered

security advisory debian privilege escalation moderate severity local threat kfreebsd-8

Summary

Rafal Wojtczuk from Bromium discovered that FreeBSD wasn't handling correctly
uncanonical return addresses on Intel amd64 CPUs, allowing privilege escalation
to kernel for local users.

For the stable distribution (squeeze), this problem has been fixed in
version 8.1+dfsg-8+squeeze3.

For the testing distribution (wheezy), this problem has been fixed in
version 8.3-4.

For the unstable distribution (sid), this problem has been fixed in
version 8.3-4.

We recommend that you upgrade your kfreebsd-8 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/



Severity
important
Lowest
Low
Medium
High
Critical

Package: kfreebsd-8
CVE ID: CVE-2012-0217

Topics%20covered

Topics Covered

security advisory debian privilege escalation moderate severity local threat kfreebsd-8

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