7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
21.7%
Debian Security Advisory DSA-2508-1 [email protected]
http://www.debian.org/security/ Yves-Alexis Perez
July 22, 2012 http://www.debian.org/security/faq
Package : kfreebsd-8
Vulnerability : privilege escalation
Problem type : local
Debian-specific: no
CVE ID : CVE-2012-0217
Debian Bug : 677297
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/
Mailing list: [email protected]