Red Hat: 2015:1778-01: kernel: Important Advisory
Summary
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
* A flaw was found in the kernel's implementation of the Berkeley Packet
Filter (BPF). A local attacker could craft BPF code to crash the system by
creating a situation in which the JIT compiler would fail to correctly
optimize the JIT image on the last pass. This would lead to the CPU
executing instructions that were not part of the JIT code. (CVE-2015-4700,
Important)
* Two flaws were found in the way the Linux kernel's networking
implementation handled UDP packets with incorrect checksum values. A remote
attacker could potentially use these flaws to trigger an infinite loop in
the kernel, resulting in a denial of service on the system, or cause a
denial of service in applications using the edge triggered epoll
functionality. (CVE-2015-5364, CVE-2015-5366, Important)
* A flaw was found in the way the Linux kernel's ext4 file system handled
the "page size > block size" condition when the fallocate zero range
functionality was used. A local attacker could use this flaw to crash the
system. (CVE-2015-0275, Moderate)
* It was found that the Linux kernel's keyring implementation would leak
memory when adding a key to a keyring via the add_key() function. A local
attacker could use this flaw to exhaust all available memory on the system.
(CVE-2015-1333, Moderate)
* A race condition flaw was found in the way the Linux kernel's SCTP
implementation handled Address Configuration lists when performing Address
Configuration Change (ASCONF). A local attacker could use this flaw to
crash the system via a race condition triggered by setting certain ASCONF
options on a socket. (CVE-2015-3212, Moderate)
* An information leak flaw was found in the way the Linux kernel's Virtual
Dynamic Shared Object (vDSO) implementation performed address
randomization. A local, unprivileged user could use this flaw to leak
kernel memory addresses to user-space. (CVE-2014-9585, Low)
Red Hat would like to thank Daniel Borkmann for reporting CVE-2015-4700,
and Canonical for reporting the CVE-2015-1333 issue. The CVE-2015-0275
issue was discovered by Xiong Zhou of Red Hat, and the CVE-2015-3212 issue
was discovered by Ji Jianwen of Red Hat Engineering.
This update also fixes several bugs. Refer to the following Knowledgebase
article for further information:
https://access.redhat.com/articles/1614563
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.
Summary
Solution
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
References
https://access.redhat.com/security/cve/CVE-2014-9585 https://access.redhat.com/security/cve/CVE-2015-0275 https://access.redhat.com/security/cve/CVE-2015-1333 https://access.redhat.com/security/cve/CVE-2015-3212 https://access.redhat.com/security/cve/CVE-2015-4700 https://access.redhat.com/security/cve/CVE-2015-5364 https://access.redhat.com/security/cve/CVE-2015-5366 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/articles/1614563
Package List
Red Hat Enterprise Linux Client (v. 7):
Source:
kernel-3.10.0-229.14.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-229.14.1.el7.noarch.rpm
kernel-doc-3.10.0-229.14.1.el7.noarch.rpm
x86_64:
kernel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-headers-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-229.14.1.el7.x86_64.rpm
perf-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
kernel-3.10.0-229.14.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-229.14.1.el7.noarch.rpm
kernel-doc-3.10.0-229.14.1.el7.noarch.rpm
x86_64:
kernel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-headers-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-229.14.1.el7.x86_64.rpm
perf-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
kernel-3.10.0-229.14.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-229.14.1.el7.noarch.rpm
kernel-doc-3.10.0-229.14.1.el7.noarch.rpm
ppc64:
kernel-3.10.0-229.14.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debug-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-229.14.1.el7.ppc64.rpm
kernel-devel-3.10.0-229.14.1.el7.ppc64.rpm
kernel-headers-3.10.0-229.14.1.el7.ppc64.rpm
kernel-tools-3.10.0-229.14.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-229.14.1.el7.ppc64.rpm
perf-3.10.0-229.14.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
s390x:
kernel-3.10.0-229.14.1.el7.s390x.rpm
kernel-debug-3.10.0-229.14.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-229.14.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-229.14.1.el7.s390x.rpm
kernel-devel-3.10.0-229.14.1.el7.s390x.rpm
kernel-headers-3.10.0-229.14.1.el7.s390x.rpm
kernel-kdump-3.10.0-229.14.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-229.14.1.el7.s390x.rpm
perf-3.10.0-229.14.1.el7.s390x.rpm
perf-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
x86_64:
kernel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-headers-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-229.14.1.el7.x86_64.rpm
perf-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
kernel-3.10.0-229.14.1.ael7b.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-229.14.1.ael7b.noarch.rpm
kernel-doc-3.10.0-229.14.1.ael7b.noarch.rpm
ppc64le:
kernel-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-bootwrapper-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debug-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-devel-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-headers-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-tools-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-tools-libs-3.10.0-229.14.1.ael7b.ppc64le.rpm
perf-3.10.0-229.14.1.ael7b.ppc64le.rpm
perf-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
python-perf-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
kernel-debug-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-229.14.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-229.14.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
python-perf-3.10.0-229.14.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.ppc64.rpm
s390x:
kernel-debug-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-229.14.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
perf-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
python-perf-3.10.0-229.14.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.s390x.rpm
x86_64:
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64le:
kernel-debug-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debug-devel-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-229.14.1.ael7b.ppc64le.rpm
perf-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
python-perf-3.10.0-229.14.1.ael7b.ppc64le.rpm
python-perf-debuginfo-3.10.0-229.14.1.ael7b.ppc64le.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
kernel-3.10.0-229.14.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-229.14.1.el7.noarch.rpm
kernel-doc-3.10.0-229.14.1.el7.noarch.rpm
x86_64:
kernel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-devel-3.10.0-229.14.1.el7.x86_64.rpm
kernel-headers-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-229.14.1.el7.x86_64.rpm
perf-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
kernel-debug-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-229.14.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-3.10.0-229.14.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-229.14.1.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
Updated kernel packages that fix multiple security issues and several bugsare now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having Important securityimpact. Common Vulnerability Scoring System (CVSS) base scores, which givedetailed severity ratings, are available for each vulnerability from theCVE links in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
Bugs Fixed
1181054 - CVE-2014-9585 kernel: ASLR bruteforce possible for vdso library
1193907 - CVE-2015-0275 kernel: fs: ext4: fallocate zero range page size > block size BUG()
1226442 - CVE-2015-3212 kernel: SCTP race condition allows list corruption and panic from userlevel
1233615 - CVE-2015-4700 kernel: Crafted BPF filters may crash kernel during JIT optimisation
1239029 - CVE-2015-5366 CVE-2015-5364 kernel: net: incorrect processing of checksums in UDP implementation
1245658 - CVE-2015-1333 kernel: denial of service due to memory leak in add_key()