# ALSA-2023:1566: Security update for 24 packages ALSA-2023:1566, released April 4, 2023, fixes 4 CVEs across 24 products. 2 of them are being exploited (CVE-2023-0386); 2 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/linux/alsa-2023-1566 - Platform: Linux - Released: Apr 4, 2023 - Priority: Patch now (Closes CVE-2023-0386, exploited (CISA KEV)) - CVEs: 4, exploited: 2, on CISA KEV: 2 - Vendor advisory: https://osv.dev/vulnerability/ALSA-2023:1566 ## Applies to | Product | Release | Fixed in | |---|---|---| | [bpftool](https://patchblox.com/security/data/product/linux/bpftool.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-abi-stablelists](https://patchblox.com/security/data/product/linux/kernel-abi-stablelists.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-core](https://patchblox.com/security/data/product/linux/kernel-core.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-cross-headers](https://patchblox.com/security/data/product/linux/kernel-cross-headers.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-debug](https://patchblox.com/security/data/product/linux/kernel-debug.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-debug-core](https://patchblox.com/security/data/product/linux/kernel-debug-core.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-debug-devel](https://patchblox.com/security/data/product/linux/kernel-debug-devel.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-debug-modules](https://patchblox.com/security/data/product/linux/kernel-debug-modules.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-debug-modules-extra.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-doc](https://patchblox.com/security/data/product/linux/kernel-doc.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-modules](https://patchblox.com/security/data/product/linux/kernel-modules.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-tools-libs](https://patchblox.com/security/data/product/linux/kernel-tools-libs.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-tools-libs-devel](https://patchblox.com/security/data/product/linux/kernel-tools-libs-devel.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-zfcpdump](https://patchblox.com/security/data/product/linux/kernel-zfcpdump.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-zfcpdump-core](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-core.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-zfcpdump-devel](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-devel.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-zfcpdump-modules](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [kernel-zfcpdump-modules-extra](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules-extra.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [perf](https://patchblox.com/security/data/product/linux/perf.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | | [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | almalinux 8 | 4.18.0-425.19.2.el8_7 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2023-0386](https://patchblox.com/security/data/cve/CVE-2023-0386.md) | Patch now | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s... | 7.8 | 0.0788 | CISA KEV | | [CVE-2023-0266](https://patchblox.com/security/data/cve/CVE-2023-0266.md) | Patch now | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s... | 7.8 | 0.0370 | CISA KEV | | [CVE-2022-4378](https://patchblox.com/security/data/cve/CVE-2022-4378.md) | High | kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s... | 7.8 | 0.0044 | | | [CVE-2022-4269](https://patchblox.com/security/data/cve/CVE-2022-4269.md) | High | kernel-debug-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s... | 7.8 | 0.0020 | | --- Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). 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