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Red Hat 7: RHSA-2020:1493-01 Important: Kernel-Alt Security Update

red hat
Calendar Grey April 16, 2020
Dist Redhat Esm H88
A critical vulnerability patch has been issued for kernel-alt on Red Hat Enterprise Linux, deemed essential for maintaining system stability.

An update for kernel-alt 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

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

Summary

The kernel-alt packages provide the Linux kernel version 4.x.
Security Fix(es):
* kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c (CVE-2019-14895)
* kernel: heap overflow in marvell/mwifiex/tdls.c (CVE-2019-14901)
* kernel: triggering AP to send IAPP location updates for stations before the required authentication process has completed can lead to DoS (CVE-2019-5108)
* kernel: powerpc: local user can read vector registers of other users' processes via an interrupt (CVE-2019-15031)
* kernel: out-of-bounds array access in __xfrm_policy_unlink (CVE-2019-15666)
* kernel: a NULL pointer dereference in drivers/net/wireless/ath/ath10k/usb.c leads to a crash (CVE-2019-15099)
* kernel: when cpu.cfs_quota_us is used allows attackers to cause a denial of service against non-cpu-bound applications (CVE-2019-19922)
* kernel: Null pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c (CVE-2019-20054)
* kernel: memory leak in mwifiex_tm_cmd in drivers/net/wireless/marvell/mwifiex/cfg80211.c (CVE-2019-20095)
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):
* rhel-alt-76z bsd process accounting(acct(2)) does not work (BZ#1763618)

Topics%20covered

Topics Covered

security advisory Red Hat bug fix DoS heap overflow security impact kernel-alt

References

https://access.redhat.com/security/cve/CVE-2019-5108 https://access.redhat.com/security/cve/CVE-2019-14895 https://access.redhat.com/security/cve/CVE-2019-14901 https://access.redhat.com/security/cve/CVE-2019-15031 https://access.redhat.com/security/cve/CVE-2019-15099 https://access.redhat.com/security/cve/CVE-2019-15666 https://access.redhat.com/security/cve/CVE-2019-19922 https://access.redhat.com/security/cve/CVE-2019-20054 https://access.redhat.com/security/cve/CVE-2019-20095 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source: kernel-alt-4.14.0-115.19.1.el7a.src.rpm
aarch64: kernel-4.14.0-115.19.1.el7a.aarch64.rpm kernel-debug-4.14.0-115.19.1.el7a.aarch64.rpm kernel-debug-debuginfo-4.14.0-115.19.1.el7a.aarch64.rpm kernel-debug-devel-4.14.0-115.19.1.el7a.aarch64.rpm kernel-debuginfo-4.14.0-115.19.1.el7a.aarch64.rpm kernel-debuginfo-common-aarch64-4.14.0-115.19.1.el7a.aarch64.rpm kernel-devel-4.14.0-115.19.1.el7a.aarch64.rpm kernel-headers-4.14.0-115.19.1.el7a.aarch64.rpm kernel-tools-4.14.0-115.19.1.el7a.aarch64.rpm kernel-tools-debuginfo-4.14.0-115.19.1.el7a.aarch64.rpm kernel-tools-libs-4.14.0-115.19.1.el7a.aarch64.rpm perf-4.14.0-115.19.1.el7a.aarch64.rpm perf-debuginfo-4.14.0-115.19.1.el7a.aarch64.rpm python-perf-4.14.0-115.19.1.el7a.aarch64.rpm python-perf-debuginfo-4.14.0-115.19.1.el7a.aarch64.rpm
noarch: kernel-abi-whitelists-4.14.0-115.19.1.el7a.noarch.rpm kernel-doc-4.14.0-115.19.1.el7a.noarch.rpm
ppc64le: kernel-4.14.0-115.19.1.el7a.ppc64le.rpm kernel-bootwrapper-4.14.0-115.19.1.el7a.ppc64le.rpm kernel-debug-4.14.0-115.19.1.el7a.ppc64le.rpm kernel-debug-debuginfo-4.14.0-115.19.1.el7a.ppc64le.rpm kernel-debuginfo-4.14.0-115.19.1.el7a.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:1493-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1493
Issue date: 2020-04-16

Topic

An update for kernel-alt 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.

Topics%20covered

Topics Covered

security advisory Red Hat bug fix DoS heap overflow security impact kernel-alt

Relevant Releases Architectures

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, noarch, ppc64le, s390x

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le

Bugs Fixed

1743560 - CVE-2019-15099 kernel: a NULL pointer dereference in drivers/net/wireless/ath/ath10k/usb.c leads to a crash

1747334 - CVE-2019-15666 kernel: out-of-bounds array access in __xfrm_policy_unlink

1760063 - CVE-2019-15031 kernel: powerpc: local user can read vector registers of other users' processes via an interrupt

1773519 - CVE-2019-14901 kernel: heap overflow in marvell/mwifiex/tdls.c

1774870 - CVE-2019-14895 kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c

1789927 - CVE-2019-5108 kernel: triggering AP to send IAPP location updates for stations before the required authentication process has completed can lead to DoS

1790063 - CVE-2019-20054 kernel: Null pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c

1791954 - CVE-2019-20095 kernel: memory leak in mwifiex_tm_cmd in drivers/net/wireless/marvell/mwifiex/cfg80211.c

1792512 - CVE-2019-19922 kernel: when cpu.cfs_quota_us is used allows attackers to cause a denial of service against non-cpu-bound applications

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