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RedHat Enterprise Linux 7: RHSA-2019-3076-01 Important: Kpatch-Patch Update

red hat
Calendar Grey October 15, 2019
Dist Redhat Esm H88
Important security patch released for kpatch-patch on RHEL 7 to fix various vulnerabilities. Immediate application is recommended!
An update for kpatch-patch is now available for Red Hat Enterprise Linux 7

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

Summary

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.
Security Fix(es):
* kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c (CVE-2018-20856)
* kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c (CVE-2019-3846)
* hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) (CVE-2019-9506)
* kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c (CVE-2019-10126)
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.

Topics%20covered

Topics Covered

security advisory kernel patch heap overflow important update kpatch-patch linux 7 bluetooth attacks

References

https://access.redhat.com/security/cve/CVE-2018-20856 https://access.redhat.com/security/cve/CVE-2019-3846 https://access.redhat.com/security/cve/CVE-2019-9506 https://access.redhat.com/security/cve/CVE-2019-10126 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Server (v. 7):
Source: kpatch-patch-3_10_0-1062-1-5.el7.src.rpm kpatch-patch-3_10_0-1062_1_1-1-4.el7.src.rpm kpatch-patch-3_10_0-1062_1_2-1-3.el7.src.rpm
ppc64le: kpatch-patch-3_10_0-1062-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1062-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_1_1-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_1_1-debuginfo-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_1_2-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_1_2-debuginfo-1-3.el7.ppc64le.rpm
x86_64: kpatch-patch-3_10_0-1062-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1062-debuginfo-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1062_1_1-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-1062_1_1-debuginfo-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-1062_1_2-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1062_1_2-debuginfo-1-3.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:3076-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3076
Issue date: 2019-10-15

Topic

An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory kernel patch heap overflow important update kpatch-patch linux 7 bluetooth attacks

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 7) - ppc64le, x86_64

Bugs Fixed

1713059 - CVE-2019-3846 kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c

1716992 - CVE-2019-10126 kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c

1727857 - CVE-2019-9506 hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB)

1738705 - CVE-2018-20856 kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c

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