RHSA-2020:0839: Important: kernel-rt security and bug fix update
First published: Tue Mar 17 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: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)</li> <li> kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow (CVE-2019-17666)</li> <li> Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135) (CVE-2019-19338)</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: update to the RHEL7.7.z batch#5 source tree (BZ#1794131)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-debug | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-debug-debuginfo | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-debug-devel | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-debuginfo | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-devel | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-doc | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-trace | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-trace-debuginfo | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-trace-devel | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-debug-kvm | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-debug-kvm-debuginfo | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-kvm | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-kvm-debuginfo | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-trace-kvm | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
| redhat/kernel-rt-trace-kvm-debuginfo | <3.10.0-1062.18.1.rt56.1044.el7 | 3.10.0-1062.18.1.rt56.1044.el7 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1703063
- https://bugzilla.redhat.com/show_bug.cgi?id=1763690
- https://bugzilla.redhat.com/show_bug.cgi?id=1781514
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/solutions/tsx-asynchronousabort
- https://access.redhat.com/errata/RHSA-2020:0839 (Advisory)
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