# ALAS2023-2025-1297: Security update for 22 packages ALAS2023-2025-1297, released December 8, 2025, fixes 30 CVEs across 22 products. None of them is reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/fix/linux/alas2023-2025-1297 - Platform: Linux - Released: Dec 8, 2025 - Priority: High (Closes CVE-2025-40240, high severity) - CVEs: 30, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2025-1297.html ## Applies to | Product | Release | Fixed in | |---|---|---| | [bpftool](https://patchblox.com/security/data/product/linux/bpftool.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [bpftool-debuginfo](https://patchblox.com/security/data/product/linux/bpftool-debuginfo.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-debuginfo](https://patchblox.com/security/data/product/linux/kernel-debuginfo.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-debuginfo-common-aarch64](https://patchblox.com/security/data/product/linux/kernel-debuginfo-common-aarch64.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-debuginfo-common-x86_64](https://patchblox.com/security/data/product/linux/kernel-debuginfo-common-x86-64.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-headers](https://patchblox.com/security/data/product/linux/kernel-headers.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-libbpf](https://patchblox.com/security/data/product/linux/kernel-libbpf.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-libbpf-debuginfo](https://patchblox.com/security/data/product/linux/kernel-libbpf-debuginfo.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-libbpf-devel](https://patchblox.com/security/data/product/linux/kernel-libbpf-devel.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-libbpf-static](https://patchblox.com/security/data/product/linux/kernel-libbpf-static.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-livepatch-6.1.158-178.288](https://patchblox.com/security/data/product/linux/kernel-livepatch-6.1.158-178.288.md) | amzn 2023 | 1:1.0-0.amzn2023 | | [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-modules-extra-common](https://patchblox.com/security/data/product/linux/kernel-modules-extra-common.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-tools-debuginfo](https://patchblox.com/security/data/product/linux/kernel-tools-debuginfo.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [kernel-tools-devel](https://patchblox.com/security/data/product/linux/kernel-tools-devel.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [perf](https://patchblox.com/security/data/product/linux/perf.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [perf-debuginfo](https://patchblox.com/security/data/product/linux/perf-debuginfo.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | | [python3-perf-debuginfo](https://patchblox.com/security/data/product/linux/python3-perf-debuginfo.md) | amzn 2023 | 1:6.1.158-178.288.amzn2023 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2025-40240](https://patchblox.com/security/data/cve/CVE-2025-40240.md) | High | sctp: avoid NULL dereference when chunk data buffer is missing | 8.6 | 0.0064 | | | [CVE-2025-40187](https://patchblox.com/security/data/cve/CVE-2025-40187.md) | High | net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce() | 7.5 | 0.0064 | | | [CVE-2025-40183](https://patchblox.com/security/data/cve/CVE-2025-40183.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved: bpf: Fix metadata_dst leak __bpf_redirect_neigh_... | 7.5 | 0.0063 | | | [CVE-2025-40176](https://patchblox.com/security/data/cve/CVE-2025-40176.md) | High | tls: wait for pending async decryptions if tls_strp_msg_hold fails | 9.8 | 0.0049 | | | [CVE-2025-40204](https://patchblox.com/security/data/cve/CVE-2025-40204.md) | High | sctp: Fix MAC comparison to be constant-time | 8.1 | 0.0047 | | | [CVE-2025-40099](https://patchblox.com/security/data/cve/CVE-2025-40099.md) | High | cifs: parse_dfs_referrals: prevent oob on malformed input | 9.4 | 0.0041 | | | [CVE-2025-40019](https://patchblox.com/security/data/cve/CVE-2025-40019.md) | High | crypto: essiv - Check ssize for decryption and in-place encryption | 7.0 | 0.0029 | | | [CVE-2025-40103](https://patchblox.com/security/data/cve/CVE-2025-40103.md) | High | smb: client: Fix refcount leak for cifs_sb_tlink | 7.1 | 0.0021 | | | [CVE-2025-40190](https://patchblox.com/security/data/cve/CVE-2025-40190.md) | High | ext4: guard against EA inode refcount underflow in xattr update | 7.8 | 0.0018 | | | [CVE-2025-40105](https://patchblox.com/security/data/cve/CVE-2025-40105.md) | High | vfs: Don't leak disconnected dentries on umount | 7.8 | 0.0017 | | | [CVE-2025-40167](https://patchblox.com/security/data/cve/CVE-2025-40167.md) | High | ext4: detect invalid INLINE_DATA + EXTENTS flag combination | 7.8 | 0.0017 | | | [CVE-2025-40198](https://patchblox.com/security/data/cve/CVE-2025-40198.md) | High | ext4: avoid potential buffer over-read in parse_apply_sb_mount_options() | 7.8 | 0.0017 | | | [CVE-2025-40173](https://patchblox.com/security/data/cve/CVE-2025-40173.md) | High | net/ip6_tunnel: Prevent perpetual tunnel growth | 7.8 | 0.0015 | | | [CVE-2025-40205](https://patchblox.com/security/data/cve/CVE-2025-40205.md) | High | btrfs: avoid potential out-of-bounds in btrfs_encode_fh() | 7.8 | 0.0015 | | | [CVE-2025-40104](https://patchblox.com/security/data/cve/CVE-2025-40104.md) | High | ixgbevf: fix mailbox API compatibility by negotiating supported features | 7.8 | 0.0015 | | | [CVE-2025-40201](https://patchblox.com/security/data/cve/CVE-2025-40201.md) | High | kernel/sys.c: fix the racy usage of task_lock(tsk->group_leader) in sys_prlimit64() paths | 7.8 | 0.0015 | | | [CVE-2025-40111](https://patchblox.com/security/data/cve/CVE-2025-40111.md) | High | drm/vmwgfx: Fix Use-after-free in validation | 7.8 | 0.0015 | | | [CVE-2025-40040](https://patchblox.com/security/data/cve/CVE-2025-40040.md) | Routine | mm/ksm: fix flag-dropping behavior in ksm_madvise | 5.8 | 0.0038 | | | [CVE-2025-40219](https://patchblox.com/security/data/cve/CVE-2025-40219.md) | Routine | PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV | 6.7 | 0.0024 | | | [CVE-2025-40042](https://patchblox.com/security/data/cve/CVE-2025-40042.md) | Routine | tracing: Fix race condition in kprobe initialization causing NULL pointer dereference | 5.5 | 0.0023 | | | [CVE-2025-40178](https://patchblox.com/security/data/cve/CVE-2025-40178.md) | Routine | pid: Add a judgment for ns null in pid_nr_ns | 5.5 | 0.0023 | | | [CVE-2025-40179](https://patchblox.com/security/data/cve/CVE-2025-40179.md) | Routine | ext4: verify orphan file size is not too big | 5.5 | 0.0022 | | | [CVE-2025-40231](https://patchblox.com/security/data/cve/CVE-2025-40231.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: vsock: fix lock inversion in vsock_assign_transp... | 5.5 | 0.0022 | | | [CVE-2025-40194](https://patchblox.com/security/data/cve/CVE-2025-40194.md) | Routine | cpufreq: intel_pstate: Fix object lifecycle issue in update_qos_request() | 5.8 | 0.0021 | | | [CVE-2025-40200](https://patchblox.com/security/data/cve/CVE-2025-40200.md) | Routine | Squashfs: reject negative file sizes in squashfs_read_inode() | 5.5 | 0.0021 | | | [CVE-2025-40197](https://patchblox.com/security/data/cve/CVE-2025-40197.md) | Routine | media: mc: Clear minor number before put device | 5.5 | 0.0021 | | | [CVE-2025-40346](https://patchblox.com/security/data/cve/CVE-2025-40346.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: arch_topology: Fix incorrect error check in topo... | 5.5 | 0.0021 | | | [CVE-2025-40220](https://patchblox.com/security/data/cve/CVE-2025-40220.md) | Routine | fuse: fix livelock in synchronous file put from fuseblk workers | 5.5 | 0.0021 | | | [CVE-2025-40207](https://patchblox.com/security/data/cve/CVE-2025-40207.md) | Routine | media: v4l2-subdev: Fix alloc failure check in v4l2_subdev_call_state_try() | 5.5 | 0.0020 | | | [CVE-2025-40100](https://patchblox.com/security/data/cve/CVE-2025-40100.md) | Routine | btrfs: do not assert we found block group item when creating free space tree | 5.5 | 0.0020 | | --- Data as of 2026-11-10T13:56:55Z UTC. 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