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Scientific Linux Security Update : kernel on SL5.x i386/x86_64
high Nessus Plugin ID 60646
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Synopsis
The remote Scientific Linux host is missing one or more security updates.Description
CVE-2009-2692 kernel: uninit op in SOCKOPS_WRAP() leads to privescCVE-2009-2698 kernel: udp socket NULL ptr dereference
These updated packages fix the following security issues :
- a flaw was found in the SOCKOPS_WRAP macro in the Linux kernel. This macro did not initialize the sendpage operation in the proto_ops structure correctly. A local, unprivileged user could use this flaw to cause a local denial of service or escalate their privileges.
(CVE-2009-2692, Important)
- a flaw was found in the udp_sendmsg() implementation in the Linux kernel when using the MSG_MORE flag on UDP sockets. A local, unprivileged user could use this flaw to cause a local denial of service or escalate their privileges. (CVE-2009-2698, Important)
These updated packages also fix the following bug :
- in the dlm code, a socket was allocated in tcp_connect_to_sock(), but was not freed in the error exit path. This bug led to a memory leak and an unresponsive system. A reported case of this bug occurred after running 'cman_tool kill -n [nodename]'.
(BZ#515432)
The system must be rebooted for this update to take effect.
Solution
Update the affected packages.See Also
Plugin Details
Severity: High
ID: 60646
File Name: sl_20090824_kernel_on_SL5_x.nasl
Version: 1.8
Type: local
Agent: unix
Published: 8/1/2012
Updated: 1/14/2021
Supported Sensors: Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.6
CVSS v2
Risk Factor: High
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Vulnerability Information
CPE: x-cpe:/o:fermilab:scientific_linux
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RedHat/release, Host/RedHat/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 8/24/2009
Exploitable With
CANVAS (CANVAS)
Core Impact
Metasploit (Linux Kernel Sendpage Local Privilege Escalation)
Reference Information
CVE: CVE-2009-2692, CVE-2009-2698
CWE: 119