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Red Hat Product Errata RHSA-2019:2609 - Security Advisory
Issued:
2019-09-03
Updated:
2019-09-03

RHSA-2019:2609 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: kernel-rt security and bug fix update

Type/Severity

Security Advisory: Important

Topic

An update for kernel-rt is now available for Red Hat Enterprise Linux 7.

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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

  • kernel: hw: Spectre SWAPGS gadget vulnerability (CVE-2019-1125)
  • kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results (CVE-2019-9500)

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

Bug Fix(es):

  • BUG: scheduling while atomic in zswap (BZ#1737372)
  • kernel-rt: update to the RHEL7.7.z batch#1 source tree (BZ#1740918)

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 for Real Time 7 x86_64
  • Red Hat Enterprise Linux for Real Time for NFV 7 x86_64

Fixes

  • BZ - 1701224 - CVE-2019-9500 kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results
  • BZ - 1724389 - CVE-2019-1125 kernel: hw: Spectre SWAPGS gadget vulnerability
  • BZ - 1737372 - BUG: scheduling while atomic in zswap [rhel-7.7.z]
  • BZ - 1740918 - kernel-rt: update to the RHEL7.7.z batch#1 source tree

CVEs

  • CVE-2019-1125
  • CVE-2019-9500

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://access.redhat.com/articles/4329821
  • Note: More recent versions of these packages may be available. Click a package name for more details.

    Red Hat Enterprise Linux for Real Time 7

    SRPM
    kernel-rt-3.10.0-1062.1.1.rt56.1024.el7.src.rpm SHA-256: 2a404c032bec443ebd8dd5c0c0396619ca541b1cfbf5daf1d1bdb9b20d74ddfb
    x86_64
    kernel-rt-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: b73a6b4ddeaadc3b4b289132b0d2c9e6084346ccd206e00f754cad6d56319e90
    kernel-rt-debug-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: de9270ed03c6990a873f134bb0ed42f3bd5d156f00d560de65a95741f11051c0
    kernel-rt-debug-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: 27143c912fb55f001df38c12dd7ca97ac464aa028ccaf95a9334017d26c4e754
    kernel-rt-debug-devel-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: 68db3860819ef70165217a76d9fc30a542c499f3fc18b5bbcaaa8f0cc2cd4c29
    kernel-rt-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: e66054e2a2c1058614119adfc6911e98a13c0e645966f11f03665ca28927f261
    kernel-rt-debuginfo-common-x86_64-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: 536d3be303dcbbffbe912e9277ccf0b8e366d909d98f9e72270551dd39db4722
    kernel-rt-devel-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: 46ad6307cb82d9a32ff7eed270a8865d0424ae7b346cda310da775d802824c97
    kernel-rt-doc-3.10.0-1062.1.1.rt56.1024.el7.noarch.rpm SHA-256: 48e441f9b41cbdf0cd1d3dbae8cee8f84c793f14094123222cd19aadb600a22b
    kernel-rt-trace-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: c5591df1c9dc2d4f49c88a2219f1ab5a95486394cbebb6b764d4291b91036d55
    kernel-rt-trace-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: cf68e3910bab0bb115c211a73f83df78b851e2bc964c6436ddd0aa982e1dffaa
    kernel-rt-trace-devel-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: e4d66e08ee176e766dfbbae0bd8317efbd9f95f1d2f5e9e88850ea1361d93667

    Red Hat Enterprise Linux for Real Time for NFV 7

    SRPM
    kernel-rt-3.10.0-1062.1.1.rt56.1024.el7.src.rpm SHA-256: 2a404c032bec443ebd8dd5c0c0396619ca541b1cfbf5daf1d1bdb9b20d74ddfb
    x86_64
    kernel-rt-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: b73a6b4ddeaadc3b4b289132b0d2c9e6084346ccd206e00f754cad6d56319e90
    kernel-rt-debug-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: de9270ed03c6990a873f134bb0ed42f3bd5d156f00d560de65a95741f11051c0
    kernel-rt-debug-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: 27143c912fb55f001df38c12dd7ca97ac464aa028ccaf95a9334017d26c4e754
    kernel-rt-debug-devel-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: 68db3860819ef70165217a76d9fc30a542c499f3fc18b5bbcaaa8f0cc2cd4c29
    kernel-rt-debug-kvm-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: 7a6be18872382964e59e1889205a0334c39d9c82551f7668d4fa8095139aa8e5
    kernel-rt-debug-kvm-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: 2e0a5ab381d16e448f541a512675c7a9d0fbf051d01949e2b1fd1af1666f0051
    kernel-rt-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: e66054e2a2c1058614119adfc6911e98a13c0e645966f11f03665ca28927f261
    kernel-rt-debuginfo-common-x86_64-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: 536d3be303dcbbffbe912e9277ccf0b8e366d909d98f9e72270551dd39db4722
    kernel-rt-devel-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: 46ad6307cb82d9a32ff7eed270a8865d0424ae7b346cda310da775d802824c97
    kernel-rt-doc-3.10.0-1062.1.1.rt56.1024.el7.noarch.rpm SHA-256: 48e441f9b41cbdf0cd1d3dbae8cee8f84c793f14094123222cd19aadb600a22b
    kernel-rt-kvm-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: 392c41f9586a68da03bb9cdd18c22274778b19c942a012959ecb9c068bb598da
    kernel-rt-kvm-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: 3a1270857b621ab2b0c1f648ae3047954cecb23c066c2f96ed31194bd279fedc
    kernel-rt-trace-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: c5591df1c9dc2d4f49c88a2219f1ab5a95486394cbebb6b764d4291b91036d55
    kernel-rt-trace-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: cf68e3910bab0bb115c211a73f83df78b851e2bc964c6436ddd0aa982e1dffaa
    kernel-rt-trace-devel-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: e4d66e08ee176e766dfbbae0bd8317efbd9f95f1d2f5e9e88850ea1361d93667
    kernel-rt-trace-kvm-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: b04316fca1b3cb1315670b5de112baa0a598b264e3a75ea2d4618c933019d736
    kernel-rt-trace-kvm-debuginfo-3.10.0-1062.1.1.rt56.1024.el7.x86_64.rpm SHA-256: ddaea8ccfcfdc93f8654d515ecd1500bea2aac2ff3bf91cfd41316908b668c11

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

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