Linux · Security advisory · September 19, 2023
RHSA-2023:5255: Security update for 12 packages
RHSA-2023:5255, released September 19, 2023, fixes 9 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
9
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0507
92nd percentile
Priority of the 9 CVEs
Patch now 0
Urgent 0
High 8
Routine 1
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel-rt | RHEL 8 | 0:4.18.0-477.27.1.rt7.290.el8_8 |
| kernel-rt-core | RHEL 8 | 0:4.18.0-477.27.1.rt7.290.el8_8 |
| kernel-rt-debug | RHEL 8 | 0:4.18.0-477.27.1.rt7.290.el8_8 |
| kernel-rt-debug-core | RHEL 8 | 0:4.18.0-477.27.1.rt7.290.el8_8 |
| kernel-rt-debug-devel | RHEL 8 | 0:4.18.0-477.27.1.rt7.290.el8_8 |
| kernel-rt-debug-kvm | RHEL 8 | 0:4.18.0-477.27.1.rt7.290.el8_8 |
| kernel-rt-debug-modules | RHEL 8 | 0:4.18.0-477.27.1.rt7.290.el8_8 |
| kernel-rt-debug-modules-extra | RHEL 8 | 0:4.18.0-477.27.1.rt7.290.el8_8 |
| kernel-rt-devel | RHEL 8 | 0:4.18.0-477.27.1.rt7.290.el8_8 |
| kernel-rt-kvm | RHEL 8 | 0:4.18.0-477.27.1.rt7.290.el8_8 |
| kernel-rt-modules | RHEL 8 | 0:4.18.0-477.27.1.rt7.290.el8_8 |
| kernel-rt-modules-extra | RHEL 8 | 0:4.18.0-477.27.1.rt7.290.el8_8 |
CVEs this fix closes
| Priority | CVE | Title | Impact | 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-2023-35001 | 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-2023-2002 | kernel-zfcpdump-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i... | 7.8 | 0.0147 | 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-2023-35788 | linux: An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7 | 7.8 | 0.0052 | 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-2023-3090 | kernel-core: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i... | 7.8 | 0.0048 | 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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