Scientific Linux Security Update : kernel on SL6.x i386/x86_64

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

Synopsis :

The remote Scientific Linux host is missing one or more security

Description :

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

This update fixes the following security issues :

- Numerous reference count leaks were found in the Linux
kernel's block layer I/O context handling
implementation. This could allow a local, unprivileged
user to cause a denial of service. (CVE-2012-0879,

- A flaw was found in the Linux kernel's cifs_lookup()
implementation. POSIX open during lookup should only be
supported for regular files. When non-regular files (for
example, a named (FIFO) pipe or other special files) are
opened on lookup, it could cause a denial of service.
(CVE-2012-1090, Moderate)

- It was found that the Linux kernel's register set
(regset) common infrastructure implementation did not
check if the required get and set handlers were
initialized. A local, unprivileged user could use this
flaw to cause a denial of service by performing a
register set operation with a ptrace() PTRACE_SETREGSET
or PTRACE_GETREGSET request. (CVE-2012-1097, Moderate)

This update also fixes several bugs and adds various enhancements. The
system must be rebooted for this update to take effect.

See also :

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.2

Family: Scientific Linux Local Security Checks

Nessus Plugin ID: 61302 ()

Bugtraq ID:

CVE ID: CVE-2012-0879

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