RedHat: RHSA-2020-3232:01 Important: kernel security and bug fix update
Summary
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in
drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653)
* kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function
in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654)
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):
* kernel: provide infrastructure to support dual-signing of the kernel
(foundation to help address CVE-2020-10713) (BZ#1837424)
Summary
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.
References
https://access.redhat.com/security/cve/CVE-2020-12653 https://access.redhat.com/security/cve/CVE-2020-12654 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/grub2bootloader
Package List
Red Hat Enterprise Linux Server AUS (v. 7.2):
Source:
kernel-3.10.0-327.90.2.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-327.90.2.el7.noarch.rpm
kernel-doc-3.10.0-327.90.2.el7.noarch.rpm
x86_64:
kernel-3.10.0-327.90.2.el7.x86_64.rpm
kernel-debug-3.10.0-327.90.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-327.90.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-327.90.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.90.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.90.2.el7.x86_64.rpm
kernel-devel-3.10.0-327.90.2.el7.x86_64.rpm
kernel-headers-3.10.0-327.90.2.el7.x86_64.rpm
kernel-tools-3.10.0-327.90.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.90.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-327.90.2.el7.x86_64.rpm
perf-3.10.0-327.90.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.90.2.el7.x86_64.rpm
python-perf-3.10.0-327.90.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.90.2.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 7.2):
x86_64:
kernel-debug-debuginfo-3.10.0-327.90.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.90.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.90.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.90.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-327.90.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.90.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.90.2.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
An update for kernel is now available for Red Hat Enterprise Linux 7.2Advanced Update Support.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.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux Server AUS (v. 7.2) - noarch, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.2) - x86_64
Bugs Fixed
1831868 - CVE-2020-12653 kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c
1832530 - CVE-2020-12654 kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c