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Debian Security Advisory DSA 2094-1 (linux-2.6)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to linux-2.6 announced via advisory DSA 2094-1.
Insight
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-2009-4895 Kyle Bader reported an issue in the tty subsystem that allows local users to create a denial of service (NULL pointer dereference). CVE-2010-2226 Dan Rosenberg reported an issue in the xfs filesystem that allows local users to copy and read a file owned by another user, for which they only have write permissions, due to a lack of permission checking in the XFS_SWAPEXT ioctl. CVE-2010-2240 Rafal Wojtczuk reported an issue that allows users to obtain escalated privileges. Users must already have sufficient privileges to execute or connect clients to an Xorg server. CVE-2010-2248 Suresh Jayaraman discovered an issue in the CIFS filesystem. A malicious file server can set an incorrect CountHigh value, resulting in a denial of service (BUG_ON() assertion). CVE-2010-2521 Neil Brown reported an issue in the NFSv4 server code. A malicious client could trigger a denial of service (Oops) on a server due to a bug in the read_buf() routine. CVE-2010-2798 Bob Peterson reported an issue in the GFS2 file system. A file system user could cause a denial of service (Oops) via certain rename operations. CVE-2010-2803 Kees Cook reported an issue in the DRM (Direct Rendering Manager) subsystem. Local users with sufficient privileges (local X users or members of the 'video' group on a default Debian install) could acquire access to sensitive kernel memory. CVE-2010-2959 Ben Hawkes discovered an issue in the AF_CAN socket family. An integer overflow condition may allow local users to obtain elevated privileges. CVE-2010-3015 Toshiyuki Okajima reported an issue in the ext4 filesystem. Local users could trigger a denial of service (BUG assertion) by generating a specific set of filesystem operations. This update also includes fixes a regression introduced by a previous update. See the referenced Debian bug page for details. For the stable distribution (lenny), this problem has been fixed in version 2.6.26-24lenny1. We recommend that you upgrade your linux-2.6 and user-mode-linux
Solution
Solution
https://secure1.securityspace.com/smysecure/catid.html?in=DSA%202094-1