# ALAS2023-2025-823: Security update for 21 packages ALAS2023-2025-823, released January 30, 2025, fixes 35 CVEs across 21 products. None of them is reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/fix/linux/alas2023-2025-823 - Platform: Linux - Released: Jan 30, 2025 - Priority: High (Closes CVE-2024-56631, high severity) - CVEs: 35, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2025-823.html ## Applies to | Product | Release | Fixed in | |---|---|---| | [bpftool](https://patchblox.com/security/data/product/linux/bpftool.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [bpftool-debuginfo](https://patchblox.com/security/data/product/linux/bpftool-debuginfo.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel-debuginfo](https://patchblox.com/security/data/product/linux/kernel-debuginfo.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel-debuginfo-common-aarch64](https://patchblox.com/security/data/product/linux/kernel-debuginfo-common-aarch64.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel-debuginfo-common-x86_64](https://patchblox.com/security/data/product/linux/kernel-debuginfo-common-x86-64.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel-headers](https://patchblox.com/security/data/product/linux/kernel-headers.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel-libbpf](https://patchblox.com/security/data/product/linux/kernel-libbpf.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel-libbpf-devel](https://patchblox.com/security/data/product/linux/kernel-libbpf-devel.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel-libbpf-static](https://patchblox.com/security/data/product/linux/kernel-libbpf-static.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel-livepatch-6.1.127-135.201](https://patchblox.com/security/data/product/linux/kernel-livepatch-6.1.127-135.201.md) | amzn 2023 | 1.0-0.amzn2023 | | [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel-modules-extra-common](https://patchblox.com/security/data/product/linux/kernel-modules-extra-common.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel-tools-debuginfo](https://patchblox.com/security/data/product/linux/kernel-tools-debuginfo.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [kernel-tools-devel](https://patchblox.com/security/data/product/linux/kernel-tools-devel.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [perf](https://patchblox.com/security/data/product/linux/perf.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [perf-debuginfo](https://patchblox.com/security/data/product/linux/perf-debuginfo.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | | [python3-perf-debuginfo](https://patchblox.com/security/data/product/linux/python3-perf-debuginfo.md) | amzn 2023 | 6.1.127-135.201.amzn2023 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2024-56631](https://patchblox.com/security/data/cve/CVE-2024-56631.md) | High | kernel-64kb: scsi: sg: Fix slab-use-after-free read in sg_release() (bsc#1235480). | 7.8 | 0.0029 | | | [CVE-2025-21647](https://patchblox.com/security/data/cve/CVE-2025-21647.md) | High | kernel-64kb: sched: sch_cake: add bounds checks to host bulk flow fairness counts (bsc#1236133). | 7.8 | 0.0028 | | | [CVE-2024-57951](https://patchblox.com/security/data/cve/CVE-2024-57951.md) | High | kernel-64kb: hrtimers: Handle CPU state correctly on hotplug (bsc#1237108). | 7.8 | 0.0027 | | | [CVE-2024-57929](https://patchblox.com/security/data/cve/CVE-2024-57929.md) | High | kernel-64kb: dm array: fix releasing a faulty array block twice in dm_array_cursor_end (bsc#1236096). | 7.1 | 0.0026 | | | [CVE-2025-21655](https://patchblox.com/security/data/cve/CVE-2025-21655.md) | High | kernel-64kb: io_uring/eventfd: ensure io_eventfd_signal() defers another RCU period (bsc#1236163). | 7.8 | 0.0025 | | | [CVE-2024-53170](https://patchblox.com/security/data/cve/CVE-2024-53170.md) | High | kernel-64kb: block: fix uaf for flush rq while iterating tags (bsc#1234888). | 7.8 | 0.0024 | | | [CVE-2025-21669](https://patchblox.com/security/data/cve/CVE-2025-21669.md) | High | kernel-64kb: vsock/virtio: discard packets if the transport changes (bsc#1236683). | 7.1 | 0.0023 | | | [CVE-2024-50246](https://patchblox.com/security/data/cve/CVE-2024-50246.md) | High | kernel-64kb: fs/ntfs3: Add rough attr alloc_size check (bsc#1233207). | 7.8 | 0.0022 | | | [CVE-2025-21648](https://patchblox.com/security/data/cve/CVE-2025-21648.md) | High | kernel-64kb: netfilter: conntrack: clamp maximum hashtable size to INT_MAX (bsc#1236142). | 7.8 | 0.0022 | | | [CVE-2024-57917](https://patchblox.com/security/data/cve/CVE-2024-57917.md) | High | kernel-64kb: topology: Keep the cpumask unchanged when printing cpumap (bsc#1236127). | 7.8 | 0.0022 | | | [CVE-2025-21671](https://patchblox.com/security/data/cve/CVE-2025-21671.md) | High | kernel-64kb: Security update for the Linux Kernel | 7.8 | 0.0022 | | | [CVE-2024-50164](https://patchblox.com/security/data/cve/CVE-2024-50164.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved: bpf: Fix overloading of MEM_UNINIT's meaning Lo... | 7.1 | 0.0021 | | | [CVE-2025-21631](https://patchblox.com/security/data/cve/CVE-2025-21631.md) | High | kernel-64kb: Security update for the Linux Kernel | 7.8 | 0.0021 | | | [CVE-2024-36899](https://patchblox.com/security/data/cve/CVE-2024-36899.md) | High | dtb-aarch64: gpiolib: cdev: Fix use after free in lineinfo_changed_notify (bsc#1225737). | 7.0 | 0.0018 | | | [CVE-2024-56664](https://patchblox.com/security/data/cve/CVE-2024-56664.md) | High | kernel-64kb: bpf, sockmap: Fix race between element replace and close() (bsc#1235249). | 7.0 | 0.0018 | | | [CVE-2024-53124](https://patchblox.com/security/data/cve/CVE-2024-53124.md) | Routine | kernel-64kb: net: fix data-races around sk->sk_forward_alloc (bsc#1234074). | 4.7 | 0.0059 | | | [CVE-2025-21694](https://patchblox.com/security/data/cve/CVE-2025-21694.md) | Routine | kernel-uek: ELSA-2025-20480: Unbreakable Enterprise kernel security update (IMPORTANT) | 5.5 | 0.0024 | | | [CVE-2025-21638](https://patchblox.com/security/data/cve/CVE-2025-21638.md) | Routine | kernel-64kb: sctp: sysctl: auth_enable: avoid using current->nsproxy (bsc#1236115). | 5.5 | 0.0024 | | | [CVE-2025-21640](https://patchblox.com/security/data/cve/CVE-2025-21640.md) | Routine | kernel-64kb: sctp: sysctl: cookie_hmac_alg: avoid using current->nsproxy (bsc#1236123). | 5.5 | 0.0024 | | | [CVE-2025-21664](https://patchblox.com/security/data/cve/CVE-2025-21664.md) | Routine | kernel-64kb: dm thin: make get_first_thin use rcu-safe list first function (bsc#1236262). | 5.5 | 0.0024 | | | [CVE-2025-21678](https://patchblox.com/security/data/cve/CVE-2025-21678.md) | Routine | kernel-64kb: gtp: Destroy device along with udp socket's netns dismantle (bsc#1236698). | 5.5 | 0.0024 | | | [CVE-2024-53685](https://patchblox.com/security/data/cve/CVE-2024-53685.md) | Routine | kernel-64kb: ceph: give up on paths longer than PATH_MAX (bsc#1235720). | 5.5 | 0.0023 | | | [CVE-2025-21639](https://patchblox.com/security/data/cve/CVE-2025-21639.md) | Routine | kernel-64kb: sctp: sysctl: rto_min/max: avoid using current->nsproxy (bsc#1236122). | 5.5 | 0.0023 | | | [CVE-2024-53128](https://patchblox.com/security/data/cve/CVE-2024-53128.md) | Routine | bpftool: sched/task_stack: fix object_is_on_stack() for KASAN tagged pointers (Qun-Wei Lin) [Orabug: 37388807] | 5.5 | 0.0023 | | | [CVE-2025-21666](https://patchblox.com/security/data/cve/CVE-2025-21666.md) | Routine | kernel-64kb: vsock: prevent null-ptr-deref in vsock_*[has_data\|has_space] (bsc#1236680). | 5.5 | 0.0023 | | | [CVE-2025-21683](https://patchblox.com/security/data/cve/CVE-2025-21683.md) | Routine | kernel-64kb: bpf: Fix bpf_sk_select_reuseport() memory leak (bsc#1236704). | 5.5 | 0.0023 | | | [CVE-2024-57940](https://patchblox.com/security/data/cve/CVE-2024-57940.md) | Routine | kernel-64kb: Security update for the Linux Kernel | 5.5 | 0.0023 | | | [CVE-2025-21675](https://patchblox.com/security/data/cve/CVE-2025-21675.md) | Routine | kernel-64kb: net/mlx5: Clear port select structure when fail to create (bsc#1236694). | 5.5 | 0.0023 | | | [CVE-2025-21636](https://patchblox.com/security/data/cve/CVE-2025-21636.md) | Routine | kernel-64kb: sctp: sysctl: plpmtud_probe_interval: avoid using current->nsproxy (bsc#1236113). | 5.5 | 0.0022 | | | [CVE-2025-21681](https://patchblox.com/security/data/cve/CVE-2025-21681.md) | Routine | kernel-64kb: openvswitch: fix lockup on tx to unregistering netdev with carrier (bsc#1236702). | 5.5 | 0.0022 | | | [CVE-2025-21665](https://patchblox.com/security/data/cve/CVE-2025-21665.md) | Routine | kernel-64kb: filemap: avoid truncating 64-bit offset to 32 bits (bsc#1236684). | 5.5 | 0.0022 | | | [CVE-2025-21637](https://patchblox.com/security/data/cve/CVE-2025-21637.md) | Routine | kernel-64kb: sctp: sysctl: udp_port: avoid using current->nsproxy (bsc#1236114). | 5.5 | 0.0021 | | | [CVE-2025-21653](https://patchblox.com/security/data/cve/CVE-2025-21653.md) | Routine | kernel-64kb: net_sched: cls_flow: validate TCA_FLOW_RSHIFT attribute (bsc#1236161). | 5.5 | 0.0021 | | | [CVE-2025-21662](https://patchblox.com/security/data/cve/CVE-2025-21662.md) | Routine | kernel-64kb: net/mlx5: Fix variable not being completed when function returns (bsc#1236198). | 5.5 | 0.0020 | | | [CVE-2024-57949](https://patchblox.com/security/data/cve/CVE-2024-57949.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Don't enable interrupts in i... | 5.5 | 0.0019 | | --- Data as of 2026-11-11T13:47:35Z UTC. 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