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Red Hat Product Errata RHSA-2018:1216 - Security Advisory
Issued:
2018-04-24
Updated:
2018-04-24

RHSA-2018:1216 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: kernel security and bug fix update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update Support, and Red Hat Enterprise Linux 7.2 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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

Security Fix(es):

  • kernel: Use-after-free vulnerability in DCCP socket (CVE-2017-8824, Important)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Mohamed Ghannam for reporting this issue.

Bug Fix(es):

  • Previously, the XFS code included a circular dependency between the xfs-log and the xfs-cil workqueues. Consequently, an XFS deadlock occurred in some cases. This update adds a new workqueue dedicated to the log covering background task to avoid the deadlock. (BZ#1543303)
  • The kernel build requirements have been updated to the GNU Compiler Collection (GCC) compiler version that has the support for Retpolines. The Retpolines mechanism is a software construct that leverages specific knowledge of the underlying hardware to mitigate the branch target injection, also known as Spectre variant 2 vulnerability described in CVE-2017-5715. (BZ#1553181)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

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

Affected Products

  • Red Hat Enterprise Linux Server - AUS 7.2 x86_64
  • Red Hat Enterprise Linux Server - TUS 7.2 x86_64
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.2 x86_64

Fixes

  • BZ - 1519591 - CVE-2017-8824 kernel: Use-after-free vulnerability in DCCP socket

CVEs

  • CVE-2017-5715
  • CVE-2017-8824

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 7.2

SRPM
kernel-3.10.0-327.66.1.el7.src.rpm SHA-256: ac2f3ff61bf0fb99c8b2f85fd90867f82abd53d9581fbcc6d5a89532ccd16364
x86_64
kernel-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 2654a57a11757459ba9256b68f1de051b1093ad32e22a561d1e5dd238ceef3f6
kernel-abi-whitelists-3.10.0-327.66.1.el7.noarch.rpm SHA-256: 955c4177e94d0ad51f11cc0622491afee6559bb1627abb0114eded740d62f4fe
kernel-debug-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 05e2ea693c5070a427abc7b3a262226513b63afad14e29990c3eb312837d8606
kernel-debug-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 52188d9e35902fdaf19068b8d3f3bbea093bd67de0d78c4bf61b31cd696e0417
kernel-debug-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 52188d9e35902fdaf19068b8d3f3bbea093bd67de0d78c4bf61b31cd696e0417
kernel-debug-devel-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: f1f7490c485c5a5e8aab2761877584f26846e84d607ed8f98c8219d647d07aa4
kernel-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 0978e62fd739662cf4bd17d8b9b93c50f548807f42533a4dafdcbc4073cc0844
kernel-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 0978e62fd739662cf4bd17d8b9b93c50f548807f42533a4dafdcbc4073cc0844
kernel-debuginfo-common-x86_64-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: abe20d3d7cf972b75f62a55bb1c601a5fcc6d2bc8b8e7fbff9ac7ac5bdb5efae
kernel-debuginfo-common-x86_64-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: abe20d3d7cf972b75f62a55bb1c601a5fcc6d2bc8b8e7fbff9ac7ac5bdb5efae
kernel-devel-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 150db06f5d74c2ad371ad95ca717bd56f012e534daacdea4659d555c7975d8b1
kernel-doc-3.10.0-327.66.1.el7.noarch.rpm SHA-256: 01a74b0445b8d89b5fb970b41cb34a0ea0b5d39aacf84b4d79732272df8edf80
kernel-headers-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 1eea35e0a18cfea8ccaa51f3c473c239d1921c69b3a8f55b14dcbbb17b716f62
kernel-tools-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 086748d6321e3a76a5db0c2e4450cdd7fc0dbf56907056074d8addd60a5e181d
kernel-tools-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: bd7fb644c4a35feee08ec55dab54045f37c3a81e6f5d122e1898d39e9f97cce9
kernel-tools-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: bd7fb644c4a35feee08ec55dab54045f37c3a81e6f5d122e1898d39e9f97cce9
kernel-tools-libs-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 10968361139055344d1ed8caeb8f7c342077ce3d46c25545183f5b5932401047
kernel-tools-libs-devel-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 723da45eabf6ea77053f5b25a497c88686bec72e56308530efb5787d7dccba69
perf-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 55c2067ff3cca8e4ed2d3e5bb621eb116c4432b14d4701bf40bb35233834a70a
perf-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 1feea3d198d89a0c39e9b91381a562d401b910ccf3a1dbdf68cb1c3f3bfcd4e6
perf-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 1feea3d198d89a0c39e9b91381a562d401b910ccf3a1dbdf68cb1c3f3bfcd4e6
python-perf-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: fdcd0ee0f386572780c2e1dc649f2976d50bf287e8bd8cc9d32cb63e2b7f9a27
python-perf-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 3e7c1ec7fdb8419dba170619392490aa855f44bfb66f4917ab301e89f7c38d9b
python-perf-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 3e7c1ec7fdb8419dba170619392490aa855f44bfb66f4917ab301e89f7c38d9b

Red Hat Enterprise Linux Server - TUS 7.2

SRPM
kernel-3.10.0-327.66.1.el7.src.rpm SHA-256: ac2f3ff61bf0fb99c8b2f85fd90867f82abd53d9581fbcc6d5a89532ccd16364
x86_64
kernel-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 2654a57a11757459ba9256b68f1de051b1093ad32e22a561d1e5dd238ceef3f6
kernel-abi-whitelists-3.10.0-327.66.1.el7.noarch.rpm SHA-256: 955c4177e94d0ad51f11cc0622491afee6559bb1627abb0114eded740d62f4fe
kernel-debug-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 05e2ea693c5070a427abc7b3a262226513b63afad14e29990c3eb312837d8606
kernel-debug-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 52188d9e35902fdaf19068b8d3f3bbea093bd67de0d78c4bf61b31cd696e0417
kernel-debug-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 52188d9e35902fdaf19068b8d3f3bbea093bd67de0d78c4bf61b31cd696e0417
kernel-debug-devel-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: f1f7490c485c5a5e8aab2761877584f26846e84d607ed8f98c8219d647d07aa4
kernel-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 0978e62fd739662cf4bd17d8b9b93c50f548807f42533a4dafdcbc4073cc0844
kernel-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 0978e62fd739662cf4bd17d8b9b93c50f548807f42533a4dafdcbc4073cc0844
kernel-debuginfo-common-x86_64-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: abe20d3d7cf972b75f62a55bb1c601a5fcc6d2bc8b8e7fbff9ac7ac5bdb5efae
kernel-debuginfo-common-x86_64-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: abe20d3d7cf972b75f62a55bb1c601a5fcc6d2bc8b8e7fbff9ac7ac5bdb5efae
kernel-devel-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 150db06f5d74c2ad371ad95ca717bd56f012e534daacdea4659d555c7975d8b1
kernel-doc-3.10.0-327.66.1.el7.noarch.rpm SHA-256: 01a74b0445b8d89b5fb970b41cb34a0ea0b5d39aacf84b4d79732272df8edf80
kernel-headers-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 1eea35e0a18cfea8ccaa51f3c473c239d1921c69b3a8f55b14dcbbb17b716f62
kernel-tools-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 086748d6321e3a76a5db0c2e4450cdd7fc0dbf56907056074d8addd60a5e181d
kernel-tools-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: bd7fb644c4a35feee08ec55dab54045f37c3a81e6f5d122e1898d39e9f97cce9
kernel-tools-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: bd7fb644c4a35feee08ec55dab54045f37c3a81e6f5d122e1898d39e9f97cce9
kernel-tools-libs-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 10968361139055344d1ed8caeb8f7c342077ce3d46c25545183f5b5932401047
kernel-tools-libs-devel-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 723da45eabf6ea77053f5b25a497c88686bec72e56308530efb5787d7dccba69
perf-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 55c2067ff3cca8e4ed2d3e5bb621eb116c4432b14d4701bf40bb35233834a70a
perf-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 1feea3d198d89a0c39e9b91381a562d401b910ccf3a1dbdf68cb1c3f3bfcd4e6
perf-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 1feea3d198d89a0c39e9b91381a562d401b910ccf3a1dbdf68cb1c3f3bfcd4e6
python-perf-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: fdcd0ee0f386572780c2e1dc649f2976d50bf287e8bd8cc9d32cb63e2b7f9a27
python-perf-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 3e7c1ec7fdb8419dba170619392490aa855f44bfb66f4917ab301e89f7c38d9b
python-perf-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 3e7c1ec7fdb8419dba170619392490aa855f44bfb66f4917ab301e89f7c38d9b

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.2

SRPM
kernel-3.10.0-327.66.1.el7.src.rpm SHA-256: ac2f3ff61bf0fb99c8b2f85fd90867f82abd53d9581fbcc6d5a89532ccd16364
x86_64
kernel-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 2654a57a11757459ba9256b68f1de051b1093ad32e22a561d1e5dd238ceef3f6
kernel-abi-whitelists-3.10.0-327.66.1.el7.noarch.rpm SHA-256: 955c4177e94d0ad51f11cc0622491afee6559bb1627abb0114eded740d62f4fe
kernel-debug-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 05e2ea693c5070a427abc7b3a262226513b63afad14e29990c3eb312837d8606
kernel-debug-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 52188d9e35902fdaf19068b8d3f3bbea093bd67de0d78c4bf61b31cd696e0417
kernel-debug-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 52188d9e35902fdaf19068b8d3f3bbea093bd67de0d78c4bf61b31cd696e0417
kernel-debug-devel-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: f1f7490c485c5a5e8aab2761877584f26846e84d607ed8f98c8219d647d07aa4
kernel-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 0978e62fd739662cf4bd17d8b9b93c50f548807f42533a4dafdcbc4073cc0844
kernel-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 0978e62fd739662cf4bd17d8b9b93c50f548807f42533a4dafdcbc4073cc0844
kernel-debuginfo-common-x86_64-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: abe20d3d7cf972b75f62a55bb1c601a5fcc6d2bc8b8e7fbff9ac7ac5bdb5efae
kernel-debuginfo-common-x86_64-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: abe20d3d7cf972b75f62a55bb1c601a5fcc6d2bc8b8e7fbff9ac7ac5bdb5efae
kernel-devel-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 150db06f5d74c2ad371ad95ca717bd56f012e534daacdea4659d555c7975d8b1
kernel-doc-3.10.0-327.66.1.el7.noarch.rpm SHA-256: 01a74b0445b8d89b5fb970b41cb34a0ea0b5d39aacf84b4d79732272df8edf80
kernel-headers-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 1eea35e0a18cfea8ccaa51f3c473c239d1921c69b3a8f55b14dcbbb17b716f62
kernel-tools-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 086748d6321e3a76a5db0c2e4450cdd7fc0dbf56907056074d8addd60a5e181d
kernel-tools-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: bd7fb644c4a35feee08ec55dab54045f37c3a81e6f5d122e1898d39e9f97cce9
kernel-tools-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: bd7fb644c4a35feee08ec55dab54045f37c3a81e6f5d122e1898d39e9f97cce9
kernel-tools-libs-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 10968361139055344d1ed8caeb8f7c342077ce3d46c25545183f5b5932401047
kernel-tools-libs-devel-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 723da45eabf6ea77053f5b25a497c88686bec72e56308530efb5787d7dccba69
perf-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 55c2067ff3cca8e4ed2d3e5bb621eb116c4432b14d4701bf40bb35233834a70a
perf-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 1feea3d198d89a0c39e9b91381a562d401b910ccf3a1dbdf68cb1c3f3bfcd4e6
perf-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 1feea3d198d89a0c39e9b91381a562d401b910ccf3a1dbdf68cb1c3f3bfcd4e6
python-perf-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: fdcd0ee0f386572780c2e1dc649f2976d50bf287e8bd8cc9d32cb63e2b7f9a27
python-perf-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 3e7c1ec7fdb8419dba170619392490aa855f44bfb66f4917ab301e89f7c38d9b
python-perf-debuginfo-3.10.0-327.66.1.el7.x86_64.rpm SHA-256: 3e7c1ec7fdb8419dba170619392490aa855f44bfb66f4917ab301e89f7c38d9b

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

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