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SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 5473)
critical Nessus Plugin ID 41533
Synopsis
The remote SuSE 10 host is missing a security-related patch.Description
This is a respin of the previous kernel update, which got retracted due to an IDE-CDROM regression, where any IDE CDROM access would hang or crash the system. Only this problem was fixed additionally.This kernel update fixes the following security problems :
- On x86_64 a denial of service attack could be used by local attackers to immediately panic / crash the machine. (CVE-2008-1615)
- Fixed a SMP ordering problem in fcntl_setlk could potentially allow local attackers to execute code by timing file locking. (CVE-2008-1669)
- Fixed a resource starvation problem in the handling of ZERO mmap pages. (CVE-2008-2372)
- The asn1 implementation in (a) the Linux kernel, as used in the cifs and ip_nat_snmp_basic modules does not properly validate length values during decoding of ASN.1 BER data, which allows remote attackers to cause a denial of service (crash) or execute arbitrary code via (1) a length greater than the working buffer, which can lead to an unspecified overflow; (2) an oid length of zero, which can lead to an off-by-one error; or (3) an indefinite length for a primitive encoding.
(CVE-2008-1673)
- Various tty / serial devices did not check functionpointers for NULL before calling them, leading to potential crashes or code execution. The devices affected are usually only accessible by the root user though. (CVE-2008-2812)
- A missing permission check in mount changing was added which could have been used by local attackers to change the mountdirectory. (CVE-2008-2931)
Additionally a very large number of bugs was fixed. Details can be found in the RPM changelog of the included packages.
OCFS2 has been upgraded to the 1.4.1 release :
- Endian fixes
- Use slab caches for DLM objects
- Export DLM state info to debugfs
- Avoid ENOSPC in rare conditions when free inodes are reserved by other nodes
- Error handling fix in ocfs2_start_walk_page_trans()
- Cleanup lockres printing
- Allow merging of extents
- Fix to allow changing permissions of symlinks
- Merged local fixes upstream (no code change)
Solution
Apply ZYPP patch number 5473.See Also
http://support.novell.com/security/cve/CVE-2008-2812.html
http://support.novell.com/security/cve/CVE-2008-2931.html
http://support.novell.com/security/cve/CVE-2008-1615.html
http://support.novell.com/security/cve/CVE-2008-1669.html
Plugin Details
Severity: Critical
ID: 41533
File Name: suse_kernel-5473.nasl
Version: 1.14
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 9/24/2009
Updated: 1/14/2021
Supported Sensors: Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: Critical
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/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
Patch Publication Date: 7/28/2008
Reference Information
CVE: CVE-2008-1615, CVE-2008-1669, CVE-2008-1673, CVE-2008-2372, CVE-2008-2812, CVE-2008-2931