Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1293-1
Solution
Please Install the Updated Packages.
Insight
A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain root privileges. (CVE-2011-4077)
Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions. A local attacker could exploit this to cause a kernel oops. (CVE-2011-4081)
A flaw was found in the Journaling Block Device (JBD). A local attacker able to mount ext3 or ext4 file systems could exploit this to crash the system, leading to a denial of service. (CVE-2011-4132)
A bug was found in the way headroom check was performed in udp6_ufo_fragment() function. A remote attacker could use this flaw to crash the system. (CVE-2011-4326)
Clement Lecigne discovered a bug in the HFS file system bounds checking.
When a malformed HFS file system is mounted a local user could crash the system or gain root privileges. (CVE-2011-4330)
Affected
linux on Ubuntu 10.10
Severity
Classification
-
CVE CVE-2011-4077, CVE-2011-4081, CVE-2011-4132, CVE-2011-4326, CVE-2011-4330 -
CVSS Base Score: 7.2
AV:L/AC:L/Au:N/C:C/I:C/A:C
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