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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Update for kernel RHSA-2015:0102-01
Summary:The remote host is missing an update for the 'kernel'; package(s) announced via the referenced advisory.
The remote host is missing an update for the 'kernel'
package(s) announced via the referenced advisory.

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

* A flaw was found in the way the Linux kernel's SCTP implementation
validated INIT chunks when performing Address Configuration Change
(ASCONF). A remote attacker could use this flaw to crash the system by
sending a specially crafted SCTP packet to trigger a NULL pointer
dereference on the system. (CVE-2014-7841, Important)

* A race condition flaw was found in the way the Linux kernel's mmap(2),
madvise(2), and fallocate(2) system calls interacted with each other while
operating on virtual memory file system files. A local user could use this
flaw to cause a denial of service. (CVE-2014-4171, Moderate)

* A NULL pointer dereference flaw was found in the way the Linux kernel's
Common Internet File System (CIFS) implementation handled mounting of file
system shares. A remote attacker could use this flaw to crash a client
system that would mount a file system share from a malicious server.
(CVE-2014-7145, Moderate)

* A flaw was found in the way the Linux kernel's splice() system call
validated its parameters. On certain file systems, a local, unprivileged
user could use this flaw to write past the maximum file size, and thus
crash the system. (CVE-2014-7822, Moderate)

* It was found that the parse_rock_ridge_inode_internal() function of the
Linux kernel's ISOFS implementation did not correctly check relocated
directories when processing Rock Ridge child link (CL) tags. An attacker
with physical access to the system could use a specially crafted ISO image
to crash the system or, potentially, escalate their privileges on the
system. (CVE-2014-5471, CVE-2014-5472, Low)

Red Hat would like to thank Akira Fujita of NEC for reporting the
CVE-2014-7822 issue. The CVE-2014-7841 issue was discovered by Liu Wei of
Red Hat.

This update also fixes the following bugs:

* Previously, a kernel panic could occur if a process reading from a locked
NFS file was killed and the lock was not released properly before the read
operations finished. Consequently, the system crashed. The code handling
file locks has been fixed, and instead of halting, the system now emits a
warning about the unreleased lock. (BZ#1172266)

* A race condition in the command abort handling logic of the ipr device
driver could cause the kernel to panic when the driver received a response
to an abort command prior to receiving other responses to the aborted
command due to the support for multiple interrupts. With this update, the
abort handler waits for the aborted command's responses first before
completing an abort operation. ...

Description truncated, please see the referenced URL(s) for more information.

Affected Software/OS:
kernel on Red Hat Enterprise Linux Server (v. 7)

Please Install the Updated Packages.

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2014-4171
BugTraq ID: 68157
RedHat Security Advisories: RHSA-2014:1318
RedHat Security Advisories: RHSA-2015:0102
SuSE Security Announcement: SUSE-SU-2014:1316 (Google Search)
SuSE Security Announcement: SUSE-SU-2014:1319 (Google Search)
Common Vulnerability Exposure (CVE) ID: CVE-2014-5471
BugTraq ID: 69396
HPdes Security Advisory: HPSBGN03282
HPdes Security Advisory: HPSBGN03285
RedHat Security Advisories: RHSA-2015:0695
RedHat Security Advisories: RHSA-2015:0782
RedHat Security Advisories: RHSA-2015:0803
SuSE Security Announcement: SUSE-SU-2015:0481 (Google Search)
SuSE Security Announcement: SUSE-SU-2015:0812 (Google Search)
SuSE Security Announcement: openSUSE-SU-2015:0566 (Google Search)
XForce ISS Database: linux-kernel-isofs-bo(95481)
Common Vulnerability Exposure (CVE) ID: CVE-2014-5472
BugTraq ID: 69428
XForce ISS Database: linux-kernel-cve20145472-dos(95556)
Common Vulnerability Exposure (CVE) ID: CVE-2014-7145
BugTraq ID: 69867
Common Vulnerability Exposure (CVE) ID: CVE-2014-7822
BugTraq ID: 72347
Debian Security Information: DSA-3170 (Google Search)
RedHat Security Advisories: RHSA-2015:0164
RedHat Security Advisories: RHSA-2015:0674
RedHat Security Advisories: RHSA-2015:0694
SuSE Security Announcement: SUSE-SU-2015:0529 (Google Search)
SuSE Security Announcement: SUSE-SU-2015:0736 (Google Search)
SuSE Security Announcement: SUSE-SU-2015:1488 (Google Search)
SuSE Security Announcement: SUSE-SU-2015:1489 (Google Search)
SuSE Security Announcement: openSUSE-SU-2015:0714 (Google Search)
Common Vulnerability Exposure (CVE) ID: CVE-2014-7841
BugTraq ID: 71081
Debian Security Information: DSA-3093 (Google Search)
RedHat Security Advisories: RHSA-2015:0087
RedHat Security Advisories: RHSA-2015:0284
RedHat Security Advisories: RHSA-2015:0285
SuSE Security Announcement: SUSE-SU-2015:0652 (Google Search)
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