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Red Hat Product Errata RHSA-2015:0115 - Security Advisory
Issued:
2015-02-03
Updated:
2015-02-03

RHSA-2015:0115 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: kernel security update

Type/Severity

Security Advisory: Important

Topic

Updated kernel packages that fix three security issues are now available
for Red Hat Enterprise Linux 6.2 Advanced Update Support.

Red Hat Product Security has rated this update as having Important security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.

Description

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

handled malformed or duplicate Address Configuration Change Chunks
(ASCONF). A remote attacker could use either of these flaws to crash the
system. (CVE-2014-3673, CVE-2014-3687, Important)

  • A flaw was found in the way the Linux kernel's SCTP implementation

handled the association's output queue. A remote attacker could send
specially crafted packets that would cause the system to use an excessive
amount of memory, leading to a denial of service. (CVE-2014-3688,
Important)

The CVE-2014-3673 issue was discovered by Liu Wei of Red Hat.

All kernel users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues. The system must be
rebooted for this update to take effect.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258

To install kernel packages manually, use "rpm -ivh [package]". Do not use
"rpm -Uvh" as that will remove the running kernel binaries from your
system. You may use "rpm -e" to remove old kernels after determining that
the new kernel functions properly on your system.

Affected Products

  • Red Hat Enterprise Linux Server - AUS 6.2 x86_64

Fixes

  • BZ - 1147850 - CVE-2014-3673 kernel: sctp: skb_over_panic when receiving malformed ASCONF chunks
  • BZ - 1155731 - CVE-2014-3687 kernel: net: sctp: fix panic on duplicate ASCONF chunks
  • BZ - 1155745 - CVE-2014-3688 kernel: net: sctp: remote memory pressure from excessive queueing

CVEs

  • CVE-2014-3687
  • CVE-2014-3673
  • CVE-2014-3688

References

  • https://access.redhat.com/security/updates/classification/#important
  • Note: More recent versions of these packages may be available. Click a package name for more details.

    Red Hat Enterprise Linux Server - AUS 6.2

    SRPM
    kernel-2.6.32-220.58.1.el6.src.rpm SHA-256: d6b88bbb40a2d22ff9ab1cbc21dff0492e4db28e5b31f6c1fd5c5f7298467a30
    x86_64
    kernel-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: fa6eb20892bf76902a3b65aa954f2404509fcc653ca0ccfd6fde271c3d6f620c
    kernel-debug-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: 7c1530405b26550df9d9aa7410b848c29375288f0f18275b4cd90620225ea9a8
    kernel-debug-debuginfo-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: 156365bbd199cc16309bd8d3186cff5cb94b3fa30992220652dd7896035ee8c1
    kernel-debug-debuginfo-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: 156365bbd199cc16309bd8d3186cff5cb94b3fa30992220652dd7896035ee8c1
    kernel-debug-devel-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: 98519c6b843a63d7ecd03f72d33d13f1191042a41d1cf81cb81438c731ee36ae
    kernel-debuginfo-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: 4fa307d2479b9562bf5e7c4739e1579f194e86ca055f5f2b265259597d4e4394
    kernel-debuginfo-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: 4fa307d2479b9562bf5e7c4739e1579f194e86ca055f5f2b265259597d4e4394
    kernel-debuginfo-common-x86_64-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: f884a9ccc12467c04cdbbe2a8027c3583ed7525ff4ec3b5d8335bc7bf6883ed1
    kernel-debuginfo-common-x86_64-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: f884a9ccc12467c04cdbbe2a8027c3583ed7525ff4ec3b5d8335bc7bf6883ed1
    kernel-devel-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: 18c322fe82db33fd4653f8ce50b39741580a189872d8541cc6f9fbdb03ea7f41
    kernel-doc-2.6.32-220.58.1.el6.noarch.rpm SHA-256: bbfcdaae2c8354dd02faf10720c126c7360cc829c442f3c503ad8d0edd7c165d
    kernel-firmware-2.6.32-220.58.1.el6.noarch.rpm SHA-256: f38d6fcc041c8dfdb287cf572cec349c69963f11550745614e279de777f14d07
    kernel-headers-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: 1bfb5bb7028c32b44bc7a109b357989011dfbb26b99bfb52cda1a31c9b087170
    perf-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: 2429ecd7d4735627ca72ec65d1906f6373ff458617a3764b41d5587a61b9162e
    perf-debuginfo-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: 946f3ee8ae006af709f8013228a45c3482a02359f87b35a27a2a55132082d108
    perf-debuginfo-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: 946f3ee8ae006af709f8013228a45c3482a02359f87b35a27a2a55132082d108
    python-perf-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: 5e63ae61a6fe8f15eeb23fe76632341779e101955d872a882b2e25eab10518c7
    python-perf-debuginfo-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: a023cb410e4208a934677cf4233825b8e2a0216abc8f91e40e0e32822d282d57
    python-perf-debuginfo-2.6.32-220.58.1.el6.x86_64.rpm SHA-256: a023cb410e4208a934677cf4233825b8e2a0216abc8f91e40e0e32822d282d57

    The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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