# ALAS2023-2023-148: Security update for 19 packages ALAS2023-2023-148, released March 30, 2023, fixes 31 CVEs across 19 products. None of them is reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/fix/linux/alas2023-2023-148 - Platform: Linux - Released: Mar 30, 2023 - Priority: High (Closes CVE-2023-28466, high severity) - CVEs: 31, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2023-148.html ## Applies to | Product | Release | Fixed in | |---|---|---| | [bpftool](https://patchblox.com/security/data/product/linux/bpftool.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [bpftool-debuginfo](https://patchblox.com/security/data/product/linux/bpftool-debuginfo.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [kernel-debuginfo](https://patchblox.com/security/data/product/linux/kernel-debuginfo.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [kernel-debuginfo-common-aarch64](https://patchblox.com/security/data/product/linux/kernel-debuginfo-common-aarch64.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [kernel-debuginfo-common-x86_64](https://patchblox.com/security/data/product/linux/kernel-debuginfo-common-x86-64.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [kernel-headers](https://patchblox.com/security/data/product/linux/kernel-headers.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [kernel-libbpf](https://patchblox.com/security/data/product/linux/kernel-libbpf.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [kernel-libbpf-devel](https://patchblox.com/security/data/product/linux/kernel-libbpf-devel.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [kernel-libbpf-static](https://patchblox.com/security/data/product/linux/kernel-libbpf-static.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [kernel-livepatch-6.1.21-1.45](https://patchblox.com/security/data/product/linux/kernel-livepatch-6.1.21-1.45.md) | amzn 2023 | 1.0-0.amzn2023 | | [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [kernel-tools-debuginfo](https://patchblox.com/security/data/product/linux/kernel-tools-debuginfo.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [kernel-tools-devel](https://patchblox.com/security/data/product/linux/kernel-tools-devel.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [perf](https://patchblox.com/security/data/product/linux/perf.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [perf-debuginfo](https://patchblox.com/security/data/product/linux/perf-debuginfo.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | | [python3-perf-debuginfo](https://patchblox.com/security/data/product/linux/python3-perf-debuginfo.md) | amzn 2023 | 6.1.21-1.45.amzn2023 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2023-28466](https://patchblox.com/security/data/cve/CVE-2023-28466.md) | High | bpftool: net: tls: fix possible race condition between do_tls_getsockopt_conf() and do_tls_setsockopt_conf() (Hangyu Hua) | 7.0 | 0.0027 | | | [CVE-2023-2235](https://patchblox.com/security/data/cve/CVE-2023-2235.md) | High | linux: A use-after-free vulnerability in the Linux Kernel Performance Events system can be exploited to achieve local privil... | 8.1 | 0.0025 | | | [CVE-2023-53081](https://patchblox.com/security/data/cve/CVE-2023-53081.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix data corruption after failed write W... | 7.8 | 0.0021 | | | [CVE-2023-53084](https://patchblox.com/security/data/cve/CVE-2023-53084.md) | High | kernel-debug-uki-virt: RHSA-2023:6583: kernel security, bug fix, and enhancement update (Important) | 7.8 | 0.0021 | | | [CVE-2023-53111](https://patchblox.com/security/data/cve/CVE-2023-53111.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved: loop: Fix use-after-free issues do_req_fileback... | 7.8 | 0.0021 | | | [CVE-2023-53117](https://patchblox.com/security/data/cve/CVE-2023-53117.md) | High | kernel-rt-debug-modules-core: RHSA-2025:6966: kernel security update (Moderate) | 7.1 | 0.0021 | | | [CVE-2023-53075](https://patchblox.com/security/data/cve/CVE-2023-53075.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix invalid address access in lookup_rec... | 7.8 | 0.0021 | | | [CVE-2023-53089](https://patchblox.com/security/data/cve/CVE-2023-53089.md) | High | kernel-debug-uki-virt: RHSA-2023:6583: kernel security, bug fix, and enhancement update (Important) | 8.0 | 0.0020 | | | [CVE-2023-53107](https://patchblox.com/security/data/cve/CVE-2023-53107.md) | High | kernel-debug-uki-virt: RHSA-2023:6583: kernel security, bug fix, and enhancement update (Important) | 7.8 | 0.0020 | | | [CVE-2023-53112](https://patchblox.com/security/data/cve/CVE-2023-53112.md) | High | kernel-debug-uki-virt: RHSA-2023:6583: kernel security, bug fix, and enhancement update (Important) | 7.1 | 0.0020 | | | [CVE-2023-53103](https://patchblox.com/security/data/cve/CVE-2023-53103.md) | High | kernel-debug-uki-virt: RHSA-2023:6583: kernel security, bug fix, and enhancement update (Important) | 8.0 | 0.0020 | | | [CVE-2023-53070](https://patchblox.com/security/data/cve/CVE-2023-53070.md) | High | kernel-debug-uki-virt: RHSA-2023:6583: kernel security, bug fix, and enhancement update (Important) | 8.0 | 0.0020 | | | [CVE-2023-53136](https://patchblox.com/security/data/cve/CVE-2023-53136.md) | High | bpftool: In the Linux kernel, the following vulnerability has been resolved | 7.1 | 0.0019 | | | [CVE-2023-53123](https://patchblox.com/security/data/cve/CVE-2023-53123.md) | High | bpftool: In the Linux kernel, the following vulnerability has been resolved | 7.8 | 0.0019 | | | [CVE-2023-53140](https://patchblox.com/security/data/cve/CVE-2023-53140.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved: scsi: core: Remove the /proc/scsi/${proc_name} d... | 8.0 | 0.0019 | | | [CVE-2023-53137](https://patchblox.com/security/data/cve/CVE-2023-53137.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved: ext4: Fix possible corruption when moving a dire... | n/a | n/a | | | [CVE-2023-30456](https://patchblox.com/security/data/cve/CVE-2023-30456.md) | Routine | linux: An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8 | 6.5 | 0.0047 | | | [CVE-2023-53087](https://patchblox.com/security/data/cve/CVE-2023-53087.md) | Routine | kernel-debug-uki-virt: RHSA-2023:6583: kernel security, bug fix, and enhancement update (Important) | 5.5 | 0.0022 | | | [CVE-2023-53091](https://patchblox.com/security/data/cve/CVE-2023-53091.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: ext4: update s_journal_inum if it changes after... | 5.5 | 0.0022 | | | [CVE-2022-49932](https://patchblox.com/security/data/cve/CVE-2022-49932.md) | Routine | KVM: VMX: Do _all_ initialization before exposing /dev/kvm to userspace | 5.5 | 0.0021 | | | [CVE-2023-53100](https://patchblox.com/security/data/cve/CVE-2023-53100.md) | Routine | kernel-debug-uki-virt: RHSA-2023:6583: kernel security, bug fix, and enhancement update (Important) | 5.5 | 0.0021 | | | [CVE-2023-53101](https://patchblox.com/security/data/cve/CVE-2023-53101.md) | Routine | bpftool: In the Linux kernel, the following vulnerability has been resolved | 5.5 | 0.0020 | | | [CVE-2023-53096](https://patchblox.com/security/data/cve/CVE-2023-53096.md) | Routine | kernel-debug-uki-virt: RHSA-2023:6583: kernel security, bug fix, and enhancement update (Important) | 5.5 | 0.0020 | | | [CVE-2023-53109](https://patchblox.com/security/data/cve/CVE-2023-53109.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: net: tunnels: annotate lockless accesses to dev-... | 5.5 | 0.0020 | | | [CVE-2023-53095](https://patchblox.com/security/data/cve/CVE-2023-53095.md) | Routine | kernel-debug-uki-virt: RHSA-2023:6583: kernel security, bug fix, and enhancement update (Important) | 5.5 | 0.0020 | | | [CVE-2023-53143](https://patchblox.com/security/data/cve/CVE-2023-53143.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: ext4: fix another off-by-one fsmap error on 1k b... | 5.5 | 0.0019 | | | [CVE-2023-53141](https://patchblox.com/security/data/cve/CVE-2023-53141.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: ila: do not generate empty messages in ila_xlat_... | 5.5 | 0.0019 | | | [CVE-2023-53121](https://patchblox.com/security/data/cve/CVE-2023-53121.md) | Routine | kernel-debug-uki-virt: RHSA-2023:6583: kernel security, bug fix, and enhancement update (Important) | 5.5 | 0.0019 | | | [CVE-2023-53133](https://patchblox.com/security/data/cve/CVE-2023-53133.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix an infinite loop error when le... | 5.5 | 0.0019 | | | [CVE-2023-53131](https://patchblox.com/security/data/cve/CVE-2023-53131.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix a server shutdown leak Fix a race w... | 5.5 | 0.0019 | | | [CVE-2023-53169](https://patchblox.com/security/data/cve/CVE-2023-53169.md) | Routine | bpftool: In the Linux kernel, the following vulnerability has been resolved | 5.5 | 0.0016 | | --- Data as of 2026-11-11T07:45:43Z UTC. 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