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SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 6439)
high Nessus Plugin ID 41540
Synopsis
The remote SuSE 10 host is missing a security-related patch.Description
This patch updates the SUSE Linux Enterprise 10 SP2 kernel to fix various bugs and some security issues.The following security issues were fixed: CVE-2009-2692: A missing NULL pointer check in the socket sendpage function can be used by local attackers to gain root privileges.
(No cve yet) A information leak from using sigaltstack was fixed.
Enabled -fno-delete-null-pointer-checks to avoid optimizing away NULL pointer checks and fixed Makefiles to make sure
-fwrapv is used everywhere. CVE-2009-1758: The hypervisor_callback function in Xen allows guest user applications to cause a denial of service (kernel oops) of the guest OS by triggering a segmentation fault in 'certain address ranges.'
- A crash on r8169 network cards when receiving large packets was fixed. (CVE-2009-1389)
- The nfs_permission function in fs/nfs/dir.c in the NFS client implementation in the Linux kernel, when atomic_open is available, does not check execute (aka EXEC or MAY_EXEC) permission bits, which allows local users to bypass permissions and execute files, as demonstrated by files on an NFSv4 fileserver.
(CVE-2009-1630)
Solution
Apply ZYPP patch number 6439.See Also
http://support.novell.com/security/cve/CVE-2009-1389.html
http://support.novell.com/security/cve/CVE-2009-1630.html
Plugin Details
Severity: High
ID: 41540
File Name: suse_kernel-6439.nasl
Version: 1.18
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 9/24/2009
Updated: 1/14/2021
Supported Sensors: Continuous Assessment, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.6
CVSS v2
Risk Factor: High
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
Vulnerability Information
CPE: cpe:/o:suse:suse_linux
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 8/15/2009
Exploitable With
CANVAS (CANVAS)
Core Impact
Metasploit (Linux Kernel Sendpage Local Privilege Escalation)
Reference Information
CVE: CVE-2009-1389, CVE-2009-1630, CVE-2009-1758, CVE-2009-2692