Scientific Linux Security Update : kernel on SL5.x i386/x86_64

This script is Copyright (C) 2012-2016 Tenable Network Security, Inc.

Synopsis :

The remote Scientific Linux host is missing one or more security

Description :

Security fixes :

- a NULL pointer dereference flaw was found in the
sctp_rcv_ootb() function in the Linux kernel Stream
Control Transmission Protocol (SCTP) implementation. A
remote attacker could send a specially crafted SCTP
packet to a target system, resulting in a denial of
service. (CVE-2010-0008, Important)

- a missing boundary check was found in the
do_move_pages() function in the memory migration
functionality in the Linux kernel. A local user could
use this flaw to cause a local denial of service or an
information leak. (CVE-2010-0415, Important)

- a NULL pointer dereference flaw was found in the
ip6_dst_lookup_tail() function in the Linux kernel. An
attacker on the local network could trigger this flaw by
sending IPv6 traffic to a target system, leading to a
system crash (kernel OOPS) if dst->neighbour is NULL on
the target system when receiving an IPv6 packet.
(CVE-2010-0437, Important)

- a NULL pointer dereference flaw was found in the ext4
file system code in the Linux kernel. A local attacker
could use this flaw to trigger a local denial of service
by mounting a specially crafted, journal-less ext4 file
system, if that file system forced an EROFS error.
(CVE-2009-4308, Moderate)

- an information leak was found in the
print_fatal_signal() implementation in the Linux kernel.
When '/proc/sys/kernel/print-fatal-signals' is set to 1
(the default value is 0), memory that is reachable by
the kernel could be leaked to user-space. This issue
could also result in a system crash. Note that this flaw
only affected the i386 architecture. (CVE-2010-0003,

- missing capability checks were found in the ebtables
implementation, used for creating an Ethernet bridge
firewall. This could allow a local, unprivileged user to
bypass intended capability restrictions and modify
ebtables rules. (CVE-2010-0007, Low)

Bug fixes :

- a bug prevented Wake on LAN (WoL) being enabled on
certain Intel hardware. (BZ#543449)

- a race issue in the Journaling Block Device. (BZ#553132)

- programs compiled on x86, and that also call
sched_rr_get_interval(), were silently corrupted when
run on 64-bit systems. (BZ#557684)

- the RHSA-2010:0019 update introduced a regression,
preventing WoL from working for network devices using
the e1000e driver. (BZ#559335)

- adding a bonding interface in mode balance-alb to a
bridge was not functional. (BZ#560588)

- some KVM (Kernel-based Virtual Machine) guests
experienced slow performance (and possibly a crash)
after suspend/resume. (BZ#560640)

- on some systems, VF cannot be enabled in dom0.

- on systems with certain network cards, a system crash
occurred after enabling GRO. (BZ#561417)

- for x86 KVM guests with pvclock enabled, the boot clocks
were registered twice, possibly causing KVM to write
data to a random memory area during the guest's life.

- serious performance degradation for 32-bit applications,
that map (mmap) thousands of small files, when run on a
64-bit system. (BZ#562746)

- improved kexec/kdump handling. Previously, on some
systems under heavy load, kexec/kdump was not
functional. (BZ#562772)

- dom0 was unable to boot when using the Xen hypervisor on
a system with a large number of logical CPUs.

- a fix for a bug that could potentially cause file system
corruption. (BZ#564281)

- a bug caused infrequent cluster issues for users of
GFS2. (BZ#564288)

- gfs2_delete_inode failed on read-only file systems.

The system must be rebooted for this update to take effect.

See also :

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.8
Public Exploit Available : true

Family: Scientific Linux Local Security Checks

Nessus Plugin ID: 60749 ()

Bugtraq ID:

CVE ID: CVE-2009-4308

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