| Description: | Summary:
The remote host is missing an update for the Debian 'fai-kernels, linux-2.6, user-mode-linux' package(s) announced via the DSA-1687-1 advisory.
Vulnerability Insight:
Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation. The Common Vulnerabilities and Exposures project identifies the following problems:
CVE-2008-3527
Tavis Ormandy reported a local DoS and potential privilege escalation in the Virtual Dynamic Shared Objects (vDSO) implementation.
CVE-2008-3528
Eugene Teo reported a local DoS issue in the ext2 and ext3 filesystems. Local users who have been granted the privileges necessary to mount a filesystem would be able to craft a corrupted filesystem that causes the kernel to output error messages in an infinite loop.
CVE-2008-4554
Milos Szeredi reported that the usage of splice() on files opened with O_APPEND allows users to write to the file at arbitrary offsets, enabling a bypass of possible assumed semantics of the O_APPEND flag.
CVE-2008-4576
Vlad Yasevich reported an issue in the SCTP subsystem that may allow remote users to cause a local DoS by triggering a kernel oops.
CVE-2008-4933
Eric Sesterhenn reported a local DoS issue in the hfsplus filesystem. Local users who have been granted the privileges necessary to mount a filesystem would be able to craft a corrupted filesystem that causes the kernel to overrun a buffer, resulting in a system oops or memory corruption.
CVE-2008-4934
Eric Sesterhenn reported a local DoS issue in the hfsplus filesystem. Local users who have been granted the privileges necessary to mount a filesystem would be able to craft a corrupted filesystem that results in a kernel oops due to an unchecked return value.
CVE-2008-5025
Eric Sesterhenn reported a local DoS issue in the hfs filesystem. Local users who have been granted the privileges necessary to mount a filesystem would be able to craft a filesystem with a corrupted catalog name length, resulting in a system oops or memory corruption.
CVE-2008-5029
Andrea Bittau reported a DoS issue in the unix socket subsystem that allows a local user to cause memory corruption, resulting in a kernel panic.
CVE-2008-5079
Hugo Dias reported a DoS condition in the ATM subsystem that can be triggered by a local user by calling the svc_listen function twice on the same socket and reading /proc/net/atm/*vc.
CVE-2008-5182
Al Viro reported race conditions in the inotify subsystem that may allow local users to acquire elevated privileges.
CVE-2008-5300
Dann Frazier reported a DoS condition that allows local users to cause the out of memory handler to kill off privileged processes or trigger soft lockups due to a starvation issue in the unix socket subsystem.
For the stable distribution (etch), this problem has been fixed in version 2.6.18.dfsg.1-23etch1.
We recommend that you upgrade your linux-2.6, fai-kernels, and user-mode-linux packages.
Note: Debian 'etch' includes linux kernel packages based upon both the 2.6.18 and 2.6.24 linux releases. All known security issues ... [Please see the references for more information on the vulnerabilities]
Affected Software/OS:
'fai-kernels, linux-2.6, user-mode-linux' package(s) on Debian 4.
Solution:
Please install the updated package(s).
CVSS Score:
7.8
CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C
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