Linux · 
Red Hat · Security advisory · September 12, 2023
Red Hat · Security advisory · September 12, 2023RHSA-2023:5091: Security update for 14 packages
RHSA-2023:5091, released September 12, 2023, fixes 10 CVEs across 14 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
10
None rated Critical
Exploited
0
None reported
Highest CVSS
7.8
Base score, 0 to 10
Highest EPSS
0.0507
92nd percentile
Priority of the 10 CVEs
Patch now 0
Urgent 0
High 9
Routine 1
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel-rt | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
| kernel-rt-core | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
| kernel-rt-debug | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
| kernel-rt-debug-core | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
| kernel-rt-debug-devel | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
| kernel-rt-debug-kvm | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
| kernel-rt-debug-modules | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
| kernel-rt-debug-modules-core | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
| kernel-rt-debug-modules-extra | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
| kernel-rt-devel | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
| kernel-rt-kvm | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
| kernel-rt-modules | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
| kernel-rt-modules-core | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
| kernel-rt-modules-extra | RHEL 9 | 0:5.14.0-284.30.1.rt14.315.el9_2 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2023-20593 | amd64-microcode: An issue in “Zen 2” CPUs, under specific microarchitectural circumstances,may allow an attacker to potentially access... | 7.8 | 0.0507 | None reported |
| High | CVE-2023-31248 | kernel-64kb: The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security bugfixes. The following security bu... | 7.8 | 0.0189 | None reported |
| High | CVE-2023-35001 | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i... | 7.8 | 0.0154 | None reported |
| High | CVE-2023-4004 | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i... | 7.8 | 0.0092 | None reported |
| High | CVE-2023-3390 | linux: A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c | 7.8 | 0.0091 | None reported |
| High | CVE-2023-4147 | linux: A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID | 7.8 | 0.0055 | None reported |
| High | CVE-2023-3776 | kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i... | 7.8 | 0.0051 | None reported |
| High | CVE-2023-3610 | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have be... | 7.8 | 0.0025 | None reported |
| High | CVE-2023-21102 | kernel-64k-debug-modules-core: The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have be... | 7.8 | 0.0018 | None reported |
| Routine | CVE-2023-1637 | kernel-core: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i... | 5.5 | 0.0022 | None reported |
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