RHEL 4 : kernel (RHSA-2006:0493)

High Nessus Plugin ID 21592

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

Updated kernel packages that fix several security issues in the Red Hat Enterprise Linux 4 kernel are now available.

This security advisory has been rated as having important security impact by the Red Hat Security Response Team.

The Linux kernel handles the basic functions of the operating system.

These new kernel packages contain fixes for the security issues described below :

* a flaw in the IPv6 implementation that allowed a local user to cause a denial of service (infinite loop and crash) (CVE-2005-2973, important)

* a flaw in the bridge implementation that allowed a remote user to cause forwarding of spoofed packets via poisoning of the forwarding table with already dropped frames (CVE-2005-3272, moderate)

* a flaw in the atm module that allowed a local user to cause a denial of service (panic) via certain socket calls (CVE-2005-3359, important)

* a flaw in the NFS client implementation that allowed a local user to cause a denial of service (panic) via O_DIRECT writes (CVE-2006-0555, important)

* a difference in 'sysretq' operation of EM64T (as opposed to Opteron) processors that allowed a local user to cause a denial of service (crash) upon return from certain system calls (CVE-2006-0741 and CVE-2006-0744, important)

* a flaw in the keyring implementation that allowed a local user to cause a denial of service (OOPS) (CVE-2006-1522, important)

* a flaw in IP routing implementation that allowed a local user to cause a denial of service (panic) via a request for a route for a multicast IP (CVE-2006-1525, important)

* a flaw in the SCTP-netfilter implementation that allowed a remote user to cause a denial of service (infinite loop) (CVE-2006-1527, important)

* a flaw in the sg driver that allowed a local user to cause a denial of service (crash) via a dio transfer to memory mapped (mmap) IO space (CVE-2006-1528, important)

* a flaw in the threading implementation that allowed a local user to cause a denial of service (panic) (CVE-2006-1855, important)

* two missing LSM hooks that allowed a local user to bypass the LSM by using readv() or writev() (CVE-2006-1856, moderate)

* a flaw in the virtual memory implementation that allowed local user to cause a denial of service (panic) by using the lsof command (CVE-2006-1862, important)

* a directory traversal vulnerability in smbfs that allowed a local user to escape chroot restrictions for an SMB-mounted filesystem via '..\\' sequences (CVE-2006-1864, moderate)

* a flaw in the ECNE chunk handling of SCTP that allowed a remote user to cause a denial of service (panic) (CVE-2006-2271, moderate)

* a flaw in the handling of COOKIE_ECHO and HEARTBEAT control chunks of SCTP that allowed a remote user to cause a denial of service (panic) (CVE-2006-2272, moderate)

* a flaw in the handling of DATA fragments of SCTP that allowed a remote user to cause a denial of service (infinite recursion and crash) (CVE-2006-2274, moderate)

All Red Hat Enterprise Linux 4 users are advised to upgrade their kernels to the packages associated with their machine architectures and configurations as listed in this erratum.

Solution

Update the affected packages.

See Also

https://access.redhat.com/security/cve/cve-2005-2973

https://access.redhat.com/security/cve/cve-2005-3272

https://access.redhat.com/security/cve/cve-2005-3359

https://access.redhat.com/security/cve/cve-2006-0555

https://access.redhat.com/security/cve/cve-2006-0741

https://access.redhat.com/security/cve/cve-2006-0744

https://access.redhat.com/security/cve/cve-2006-1522

https://access.redhat.com/security/cve/cve-2006-1525

https://access.redhat.com/security/cve/cve-2006-1527

https://access.redhat.com/security/cve/cve-2006-1528

https://access.redhat.com/security/cve/cve-2006-1855

https://access.redhat.com/security/cve/cve-2006-1856

https://access.redhat.com/security/cve/cve-2006-1862

https://access.redhat.com/security/cve/cve-2006-1864

https://access.redhat.com/security/cve/cve-2006-2271

https://access.redhat.com/security/cve/cve-2006-2272

https://access.redhat.com/security/cve/cve-2006-2274

https://access.redhat.com/errata/RHSA-2006:0493

Plugin Details

Severity: High

ID: 21592

File Name: redhat-RHSA-2006-0493.nasl

Version: 1.22

Type: local

Agent: unix

Published: 2006/05/24

Updated: 2019/03/26

Dependencies: 12634, 122878

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-doc, p-cpe:/a:redhat:enterprise_linux:kernel-hugemem, p-cpe:/a:redhat:enterprise_linux:kernel-hugemem-devel, p-cpe:/a:redhat:enterprise_linux:kernel-largesmp, p-cpe:/a:redhat:enterprise_linux:kernel-largesmp-devel, p-cpe:/a:redhat:enterprise_linux:kernel-smp, p-cpe:/a:redhat:enterprise_linux:kernel-smp-devel, cpe:/o:redhat:enterprise_linux:4

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Patch Publication Date: 2006/05/24

Vulnerability Publication Date: 2005/10/20

Reference Information

CVE: CVE-2005-2973, CVE-2005-3272, CVE-2005-3359, CVE-2006-0555, CVE-2006-0741, CVE-2006-0744, CVE-2006-1522, CVE-2006-1525, CVE-2006-1527, CVE-2006-1528, CVE-2006-1855, CVE-2006-1856, CVE-2006-1862, CVE-2006-1864, CVE-2006-2271, CVE-2006-2272, CVE-2006-2274

RHSA: 2006:0493

CWE: 20