# RHSA-2023:5244: Security update for 23 packages RHSA-2023:5244, released September 19, 2023, fixes 10 CVEs across 23 products. None of them is reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/fix/linux/rhsa-2023-5244 - Platform: Linux - Released: Sep 19, 2023 - Priority: High (Closes CVE-2023-44466, high severity) - CVEs: 10, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://access.redhat.com/errata/RHSA-2023:5244 ## Applies to | Product | Release | Fixed in | |---|---|---| | [bpftool](https://patchblox.com/security/data/product/linux/bpftool.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-abi-stablelists](https://patchblox.com/security/data/product/linux/kernel-abi-stablelists.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-core](https://patchblox.com/security/data/product/linux/kernel-core.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-debug](https://patchblox.com/security/data/product/linux/kernel-debug.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-debug-core](https://patchblox.com/security/data/product/linux/kernel-debug-core.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-debug-devel](https://patchblox.com/security/data/product/linux/kernel-debug-devel.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-debug-modules](https://patchblox.com/security/data/product/linux/kernel-debug-modules.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-debug-modules-extra.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-doc](https://patchblox.com/security/data/product/linux/kernel-doc.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-modules](https://patchblox.com/security/data/product/linux/kernel-modules.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-tools-libs](https://patchblox.com/security/data/product/linux/kernel-tools-libs.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-tools-libs-devel](https://patchblox.com/security/data/product/linux/kernel-tools-libs-devel.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-zfcpdump](https://patchblox.com/security/data/product/linux/kernel-zfcpdump.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-zfcpdump-core](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-core.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-zfcpdump-devel](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-devel.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-zfcpdump-modules](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [kernel-zfcpdump-modules-extra](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules-extra.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [perf](https://patchblox.com/security/data/product/linux/perf.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | | [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | RHEL 8 | 0:4.18.0-477.27.1.el8_8 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2023-44466](https://patchblox.com/security/data/cve/CVE-2023-44466.md) | High | perf: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i... | 8.8 | 0.4489 | | | [CVE-2023-20593](https://patchblox.com/security/data/cve/CVE-2023-20593.md) | High | amd64-microcode: An issue in “Zen 2” CPUs, under specific microarchitectural circumstances,may allow an attacker to potentially access... | 7.8 | 0.0507 | | | [CVE-2023-35001](https://patchblox.com/security/data/cve/CVE-2023-35001.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i... | 7.8 | 0.0154 | | | [CVE-2023-2002](https://patchblox.com/security/data/cve/CVE-2023-2002.md) | High | 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 | | | [CVE-2023-4004](https://patchblox.com/security/data/cve/CVE-2023-4004.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: i... | 7.8 | 0.0092 | | | [CVE-2023-3390](https://patchblox.com/security/data/cve/CVE-2023-3390.md) | High | 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 | | | [CVE-2023-35788](https://patchblox.com/security/data/cve/CVE-2023-35788.md) | High | 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 | | | [CVE-2023-3776](https://patchblox.com/security/data/cve/CVE-2023-3776.md) | High | 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 | | | [CVE-2023-3090](https://patchblox.com/security/data/cve/CVE-2023-3090.md) | High | 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 | | | [CVE-2023-1637](https://patchblox.com/security/data/cve/CVE-2023-1637.md) | Routine | 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 | | --- Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo