# ALAS2023-2026-1816: Security update for 18 packages ALAS2023-2026-1816, released June 8, 2026, fixes 22 CVEs across 18 products. None of them is reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/fix/linux/alas2023-2026-1816 - Platform: Linux - Released: Jun 8, 2026 - Priority: High (Closes CVE-2026-31708, high severity) - CVEs: 22, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2026-1816.html ## Applies to | Product | Release | Fixed in | |---|---|---| | [bpftool6.12](https://patchblox.com/security/data/product/linux/bpftool6.12.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [bpftool6.12-debuginfo](https://patchblox.com/security/data/product/linux/bpftool6.12-debuginfo.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [kernel-livepatch-6.12.90-120.164](https://patchblox.com/security/data/product/linux/kernel-livepatch-6.12.90-120.164.md) | amzn 2023 | 1:1.0-0.amzn2023 | | [kernel6.12](https://patchblox.com/security/data/product/linux/kernel6.12.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [kernel6.12-debuginfo](https://patchblox.com/security/data/product/linux/kernel6.12-debuginfo.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [kernel6.12-debuginfo-common-aarch64](https://patchblox.com/security/data/product/linux/kernel6.12-debuginfo-common-aarch64.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [kernel6.12-debuginfo-common-x86_64](https://patchblox.com/security/data/product/linux/kernel6.12-debuginfo-common-x86-64.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [kernel6.12-devel](https://patchblox.com/security/data/product/linux/kernel6.12-devel.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [kernel6.12-headers](https://patchblox.com/security/data/product/linux/kernel6.12-headers.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [kernel6.12-modules-extra](https://patchblox.com/security/data/product/linux/kernel6.12-modules-extra.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [kernel6.12-modules-extra-common](https://patchblox.com/security/data/product/linux/kernel6.12-modules-extra-common.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [kernel6.12-tools](https://patchblox.com/security/data/product/linux/kernel6.12-tools.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [kernel6.12-tools-debuginfo](https://patchblox.com/security/data/product/linux/kernel6.12-tools-debuginfo.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [kernel6.12-tools-devel](https://patchblox.com/security/data/product/linux/kernel6.12-tools-devel.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [perf6.12](https://patchblox.com/security/data/product/linux/perf6.12.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [perf6.12-debuginfo](https://patchblox.com/security/data/product/linux/perf6.12-debuginfo.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [python3-perf6.12](https://patchblox.com/security/data/product/linux/python3-perf6.12.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | | [python3-perf6.12-debuginfo](https://patchblox.com/security/data/product/linux/python3-perf6.12-debuginfo.md) | amzn 2023 | 1:6.12.90-120.164.amzn2023 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2026-31708](https://patchblox.com/security/data/cve/CVE-2026-31708.md) | High | smb: client: fix OOB read in smb2_ioctl_query_info QUERY_INFO path | 8.1 | 0.0035 | | | [CVE-2026-31709](https://patchblox.com/security/data/cve/CVE-2026-31709.md) | High | smb: client: validate the whole DACL before rewriting it in cifsacl | 8.8 | 0.0035 | | | [CVE-2026-43350](https://patchblox.com/security/data/cve/CVE-2026-43350.md) | High | kernel-64kb: smb: client: require a full NFS mode SID before reading mode bits (bsc#1264985). | 7.6 | 0.0032 | | | [CVE-2026-64379](https://patchblox.com/security/data/cve/CVE-2026-64379.md) | High | smb: client: mask server-provided mode to 07777 in modefromsid | 7.8 | 0.0031 | | | [CVE-2026-31694](https://patchblox.com/security/data/cve/CVE-2026-31694.md) | High | fuse: reject oversized dirents in page cache | 7.8 | 0.0028 | | | [CVE-2026-31786](https://patchblox.com/security/data/cve/CVE-2026-31786.md) | High | kernel-uek64k: Buffer overflow in drivers/xen/sys-hypervisor.c (Juergen Gross) [Orabug: 39305898] | 7.8 | 0.0020 | | | [CVE-2026-31787](https://patchblox.com/security/data/cve/CVE-2026-31787.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: fix double free via VMA splitting pr... | 7.8 | 0.0018 | | | [CVE-2026-23171](https://patchblox.com/security/data/cve/CVE-2026-23171.md) | High | kernel-64kb: net: bonding: update the slave array for broadcast mode (bsc#1258349). | 7.8 | 0.0017 | | | [CVE-2026-46209](https://patchblox.com/security/data/cve/CVE-2026-46209.md) | High | kernel-uek-debug: drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() (Ashutosh Desai) [Orabug: 39460... | 8.4 | 0.0014 | | | [CVE-2026-46164](https://patchblox.com/security/data/cve/CVE-2026-46164.md) | High | btrfs: fix double free in create_space_info_sub_group() error path | 7.0 | 0.0014 | | | [CVE-2026-46234](https://patchblox.com/security/data/cve/CVE-2026-46234.md) | High | vsock: fix buffer size clamping order | 7.8 | 0.0013 | | | [CVE-2026-31716](https://patchblox.com/security/data/cve/CVE-2026-31716.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate rec->used in journal-replay f... | 7.8 | 0.0013 | | | [CVE-2026-43088](https://patchblox.com/security/data/cve/CVE-2026-43088.md) | High | net: af_key: zero aligned sockaddr tail in PF_KEY exports | 7.1 | 0.0012 | | | [CVE-2026-43109](https://patchblox.com/security/data/cve/CVE-2026-43109.md) | High | x86: shadow stacks: proper error handling for mmap lock | 7.1 | 0.0011 | | | [CVE-2026-31700](https://patchblox.com/security/data/cve/CVE-2026-31700.md) | High | net/packet: fix TOCTOU race on mmap'd vnet_hdr in tpacket_snd() | 7.8 | 0.0011 | | | [CVE-2026-46227](https://patchblox.com/security/data/cve/CVE-2026-46227.md) | High | sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL | 8.4 | 0.0010 | | | [CVE-2026-46214](https://patchblox.com/security/data/cve/CVE-2026-46214.md) | Routine | kernel-uek-debug-modules-extra: vsock/virtio: fix accept queue count leak on transport mismatch (Dudu Lu) [Orabug: 39460646] | 5.5 | 0.0013 | | | [CVE-2026-46207](https://patchblox.com/security/data/cve/CVE-2026-46207.md) | Routine | kernel-64kb: vsock/virtio: fix length and offset in tap skb for split packets (bsc#1267691). | 5.5 | 0.0013 | | | [CVE-2026-31575](https://patchblox.com/security/data/cve/CVE-2026-31575.md) | Routine | mm/userfaultfd: fix hugetlb fault mutex hash calculation | 5.5 | 0.0012 | | | [CVE-2026-46236](https://patchblox.com/security/data/cve/CVE-2026-46236.md) | Routine | kernel-64kb: Security update for the Linux Kernel | 5.5 | 0.0012 | | | [CVE-2026-46159](https://patchblox.com/security/data/cve/CVE-2026-46159.md) | Routine | btrfs: fix btrfs_ioctl_space_info() slot_count TOCTOU which can lead to info-leak | 5.5 | 0.0010 | | | [CVE-2026-31456](https://patchblox.com/security/data/cve/CVE-2026-31456.md) | Routine | kernel-uek: mm/pagewalk: fix race between concurrent split and refault (Max Boone) [Orabug: 39250782] | 5.5 | 0.0009 | | --- Data as of 2026-11-11T13:47:35Z UTC. 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