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DSA-1809-1 linux-2.6 -- denial of service, privilege escalation

ID: oval:org.secpod.oval:def:600304Date: (C)2011-05-13   (M)2017-10-04
Class: PATCHFamily: unix




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-2009-1630 Frank Filz discovered that local users may be able to execute files without execute permission when accessed via an nfs4 mount. CVE-2009-1633 Jeff Layton and Suresh Jayaraman fixed several buffer overflows in the CIFS filesystem which allow remote servers to cause memory corruption. CVE-2009-1758 Jan Beulich discovered an issue in Xen where local guest users may cause a denial of service . This update also fixes a regression introduced by the fix for CVE-2009-1184 in 2.6.26-15lenny3. This prevents a boot time panic on systems with SELinux enabled. For the stable distribution , these problems have been fixed in version 2.6.26-15lenny3. For the oldstable distribution , these problems, where applicable, will be fixed in future updates to linux-2.6 and linux-2.6.24. We recommend that you upgrade your linux-2.6 and user-mode-linux packages. Note: Debian carefully tracks all known security issues across every linux kernel package in all releases under active security support. However, given the high frequency at which low-severity security issues are discovered in the kernel and the resource requirements of doing an update, updates for lower priority issues will normally not be released for all kernels at the same time. Rather, they will be released in a staggered or "leap-frog" fashion.

Platform:
Debian 5.0
Product:
linux-2.6
Reference:
DSA-1809-1
CVE-2009-1630
CVE-2009-1633
CVE-2009-1758
CVE-2009-1184
CVE    4
CVE-2009-1184
CVE-2009-1630
CVE-2009-1633
CVE-2009-1758
...

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