# ALAS2023-2025-1253: Security update for 22 packages ALAS2023-2025-1253, released October 27, 2025, fixes 18 CVEs across 22 products. None of them is reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/fix/linux/alas2023-2025-1253 - Platform: Linux - Released: Oct 27, 2025 - Priority: High (Closes CVE-2025-40048, high severity) - CVEs: 18, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2025-1253.html ## Applies to | Product | Release | Fixed in | |---|---|---| | [bpftool](https://patchblox.com/security/data/product/linux/bpftool.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [bpftool-debuginfo](https://patchblox.com/security/data/product/linux/bpftool-debuginfo.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-debuginfo](https://patchblox.com/security/data/product/linux/kernel-debuginfo.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-debuginfo-common-aarch64](https://patchblox.com/security/data/product/linux/kernel-debuginfo-common-aarch64.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-debuginfo-common-x86_64](https://patchblox.com/security/data/product/linux/kernel-debuginfo-common-x86-64.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-headers](https://patchblox.com/security/data/product/linux/kernel-headers.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-libbpf](https://patchblox.com/security/data/product/linux/kernel-libbpf.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-libbpf-debuginfo](https://patchblox.com/security/data/product/linux/kernel-libbpf-debuginfo.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-libbpf-devel](https://patchblox.com/security/data/product/linux/kernel-libbpf-devel.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-libbpf-static](https://patchblox.com/security/data/product/linux/kernel-libbpf-static.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-livepatch-6.1.156-177.286](https://patchblox.com/security/data/product/linux/kernel-livepatch-6.1.156-177.286.md) | amzn 2023 | 1:1.0-0.amzn2023 | | [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-modules-extra-common](https://patchblox.com/security/data/product/linux/kernel-modules-extra-common.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-tools-debuginfo](https://patchblox.com/security/data/product/linux/kernel-tools-debuginfo.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [kernel-tools-devel](https://patchblox.com/security/data/product/linux/kernel-tools-devel.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [perf](https://patchblox.com/security/data/product/linux/perf.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [perf-debuginfo](https://patchblox.com/security/data/product/linux/perf-debuginfo.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | | [python3-perf-debuginfo](https://patchblox.com/security/data/product/linux/python3-perf-debuginfo.md) | amzn 2023 | 1:6.1.156-177.286.amzn2023 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2025-40048](https://patchblox.com/security/data/cve/CVE-2025-40048.md) | High | uio_hv_generic: Let userspace take care of interrupt mask | 8.4 | 0.0064 | | | [CVE-2025-40186](https://patchblox.com/security/data/cve/CVE-2025-40186.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved: tcp: Don't call reqsk_fastopen_remove() in tcp_c... | 8.1 | 0.0059 | | | [CVE-2025-40035](https://patchblox.com/security/data/cve/CVE-2025-40035.md) | High | Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak | 7.1 | 0.0023 | | | [CVE-2025-40068](https://patchblox.com/security/data/cve/CVE-2025-40068.md) | High | fs: ntfs3: Fix integer overflow in run_unpack() | 8.4 | 0.0018 | | | [CVE-2025-39998](https://patchblox.com/security/data/cve/CVE-2025-39998.md) | High | scsi: target: target_core_configfs: Add length check to avoid buffer overflow | 7.8 | 0.0018 | | | [CVE-2025-40044](https://patchblox.com/security/data/cve/CVE-2025-40044.md) | High | fs: udf: fix OOB read in lengthAllocDescs handling | 7.8 | 0.0017 | | | [CVE-2025-40123](https://patchblox.com/security/data/cve/CVE-2025-40123.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved: bpf: Enforce expected_attach_type for tailcall c... | 7.8 | 0.0017 | | | [CVE-2025-40081](https://patchblox.com/security/data/cve/CVE-2025-40081.md) | High | perf: arm_spe: Prevent overflow in PERF_IDX2OFF() | 7.8 | 0.0015 | | | [CVE-2025-40018](https://patchblox.com/security/data/cve/CVE-2025-40018.md) | High | ipvs: Defer ip_vs_ftp unregister during netns cleanup | 7.8 | 0.0015 | | | [CVE-2025-40078](https://patchblox.com/security/data/cve/CVE-2025-40078.md) | Routine | bpf: Explicitly check accesses to bpf_sock_addr | 5.5 | 0.0025 | | | [CVE-2025-40070](https://patchblox.com/security/data/cve/CVE-2025-40070.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: pps: fix warning in pps_register_cdev when regis... | 5.5 | 0.0024 | | | [CVE-2025-40115](https://patchblox.com/security/data/cve/CVE-2025-40115.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix crash in transport port remov... | 5.5 | 0.0023 | | | [CVE-2025-40134](https://patchblox.com/security/data/cve/CVE-2025-40134.md) | Routine | kernel-64k-debug-modules-core: The kernel packages contain the Linux kernel, the core of any Linux operating system | 4.7 | 0.0023 | | | [CVE-2025-40049](https://patchblox.com/security/data/cve/CVE-2025-40049.md) | Routine | Squashfs: fix uninit-value in squashfs_get_parent | 5.5 | 0.0023 | | | [CVE-2025-40109](https://patchblox.com/security/data/cve/CVE-2025-40109.md) | Routine | crypto: rng - Ensure set_ent is always present | 5.5 | 0.0023 | | | [CVE-2025-40125](https://patchblox.com/security/data/cve/CVE-2025-40125.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: blk-mq: check kobject state_in_sysfs before dele... | 5.5 | 0.0023 | | | [CVE-2025-40153](https://patchblox.com/security/data/cve/CVE-2025-40153.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoid soft lockup when mprotect to... | 5.5 | 0.0021 | | | [CVE-2025-40080](https://patchblox.com/security/data/cve/CVE-2025-40080.md) | Routine | nbd: restrict sockets to TCP and UDP | 6.1 | 0.0021 | | --- Data as of 2026-11-10T13:56:55Z UTC. 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