RHSA-2020:3221: Important: kernel-rt security and bug fix update
First published: Wed Jul 29 2020(Updated: )
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.<br>Security Fix(es):<br><li> kernel: kernel: DAX hugepages not considered during mremap (CVE-2020-10757)</li> <li> kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653)</li> <li> kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654)</li> <li> kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver (CVE-2019-19527)</li> 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.<br>Bug Fix(es):<br><li> kernel-rt: provide infrastructure to support dual-signing of the kernel (foundation to help address CVE-2020-10713) (BZ#1837438)</li> <li> kernel-rt: update to the latest RHEL7.8.z3 source tree (BZ#1848017)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-debug | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-debug-debuginfo | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-debug-devel | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-debug-kvm-debuginfo | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-debuginfo | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-devel | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-doc | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-kvm-debuginfo | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-trace | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-trace-debuginfo | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-trace-devel | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-trace-kvm-debuginfo | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-debug-kvm | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-kvm | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
| redhat/kernel-rt-trace-kvm | <3.10.0-1127.18.2.rt56.1116.el7 | 3.10.0-1127.18.2.rt56.1116.el7 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1783498
- https://bugzilla.redhat.com/show_bug.cgi?id=1831868
- https://bugzilla.redhat.com/show_bug.cgi?id=1832530
- https://bugzilla.redhat.com/show_bug.cgi?id=1842525
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/security/vulnerabilities/grub2bootloader
- https://access.redhat.com/errata/RHSA-2020:3221 (Advisory)
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