Test ID:	1.3.6.1.4.1.25623.1.1.12.2005.60.0
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-60-0)
Summary:	The remote host is missing an update for the 'linux-source-2.6.8.1' package(s) announced via the USN-60-0 advisory.
Description:	Summary: The remote host is missing an update for the 'linux-source-2.6.8.1' package(s) announced via the USN-60-0 advisory. Vulnerability Insight: CAN-2005-0001: Paul Starzetz discovered a race condition in the Linux page fault handler code. This allowed an unprivileged user to gain root privileges on multiprocessor machines under some circumstances. This also affects the Hyper-Threading mode on Pentium 4 processors. [link moved to references]: Brad Spengler discovered that some device drivers used copy_from_user() (a function to copy data from userspace tools into kernel memory) with insufficient input validation. This potentially allowed users and/or malicious hardware to overwrite kernel memory which could result in a crash (Denial of Service) or even root privilege escalation. Additionally, this update corrects the SMB file system driver. USN-30-1 fixed some vulnerabilities in this driver (see CAN-2004-0883, CAN-2004-0949). However, it was found that these new validation checks were too strict, which cause some valid operations to fail. Affected Software/OS: 'linux-source-2.6.8.1' package(s) on Ubuntu 4.10. Solution: Please install the updated package(s). CVSS Score: 6.9 CVSS Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2005-0001 BugTraq ID: 12244 http://www.securityfocus.com/bid/12244 Bugtraq: 20050112 Linux kernel i386 SMP page fault handler privilege escalation (Google Search) http://marc.info/?l=bugtraq&m=110554694522719&w=2 Bugtraq: 20050114 [USN-60-0] Linux kernel vulnerabilities (Google Search) http://marc.info/?l=bugtraq&m=110581146702951&w=2 Conectiva Linux advisory: CLA-2005:930 http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000930 Debian Security Information: DSA-1067 (Google Search) http://www.debian.org/security/2006/dsa-1067 Debian Security Information: DSA-1069 (Google Search) http://www.debian.org/security/2006/dsa-1069 Debian Security Information: DSA-1070 (Google Search) http://www.debian.org/security/2006/dsa-1070 Debian Security Information: DSA-1082 (Google Search) http://www.debian.org/security/2006/dsa-1082 https://bugzilla.fedora.us/show_bug.cgi?id=2336 http://lists.grok.org.uk/pipermail/full-disclosure/2005-January/030826.html http://www.mandriva.com/security/advisories?name=MDKSA-2005:022 http://isec.pl/vulnerabilities/isec-0022-pagefault.txt https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10322 http://www.redhat.com/support/errata/RHSA-2005-016.html http://www.redhat.com/support/errata/RHSA-2005-017.html http://www.redhat.com/support/errata/RHSA-2005-043.html http://www.redhat.com/support/errata/RHSA-2005-092.html http://securitytracker.com/id?1012862 http://secunia.com/advisories/13822 http://secunia.com/advisories/20163 http://secunia.com/advisories/20202 http://secunia.com/advisories/20338 http://www.trustix.org/errata/2005/0001/ XForce ISS Database: linux-fault-handler-gain-privileges(18849) https://exchange.xforce.ibmcloud.com/vulnerabilities/18849
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