Linux · Security advisory · November 2, 2021
RHSA-2021:4088: Security update for 12 packages
RHSA-2021:4088, released November 2, 2021, fixes 3 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0148
73rd percentile
Priority of the 3 CVEs
Patch now 0
Urgent 0
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel-rt | RHEL 8 | 0:4.18.0-305.25.1.rt7.97.el8_4 |
| kernel-rt-core | RHEL 8 | 0:4.18.0-305.25.1.rt7.97.el8_4 |
| kernel-rt-debug | RHEL 8 | 0:4.18.0-305.25.1.rt7.97.el8_4 |
| kernel-rt-debug-core | RHEL 8 | 0:4.18.0-305.25.1.rt7.97.el8_4 |
| kernel-rt-debug-devel | RHEL 8 | 0:4.18.0-305.25.1.rt7.97.el8_4 |
| kernel-rt-debug-kvm | RHEL 8 | 0:4.18.0-305.25.1.rt7.97.el8_4 |
| kernel-rt-debug-modules | RHEL 8 | 0:4.18.0-305.25.1.rt7.97.el8_4 |
| kernel-rt-debug-modules-extra | RHEL 8 | 0:4.18.0-305.25.1.rt7.97.el8_4 |
| kernel-rt-devel | RHEL 8 | 0:4.18.0-305.25.1.rt7.97.el8_4 |
| kernel-rt-kvm | RHEL 8 | 0:4.18.0-305.25.1.rt7.97.el8_4 |
| kernel-rt-modules | RHEL 8 | 0:4.18.0-305.25.1.rt7.97.el8_4 |
| kernel-rt-modules-extra | RHEL 8 | 0:4.18.0-305.25.1.rt7.97.el8_4 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2020-36385 | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: u... | 7.8 | 0.0148 | None reported | |
| High | CVE-2021-3656 | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: u... | 8.8 | 0.0066 | None reported | |
| High | CVE-2021-0512 | kpatch-patch-4_18_0-305_19_1: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of... | 7.8 | 0.0028 | None reported |
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