# 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 | linux: In the Linux kernel, the following vulnerability has been resolved: smb: client: require a full NFS mode SID before... | 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: In the Linux kernel, the following vulnerability has been resolved: Buffer overflow in drivers/xen/sys-hypervisor.c T... | 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: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: L... | 7.8 | 0.0017 | | | [CVE-2026-46209](https://patchblox.com/security/data/cve/CVE-2026-46209.md) | High | kernel-uek-core: [5.15.0-323.211.3.3] - Revert 'x86/alternatives: Add alt_instr.flags' (Harshit Mogalapalli) [Orabug: 39853924] [5.1... | 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: [5.15.0-323.211.3.3] - Revert 'x86/alternatives: Add alt_instr.flags' (Harshit Mogalapalli) [Orabug: 39853924] [5.1... | 5.5 | 0.0013 | | | [CVE-2026-46207](https://patchblox.com/security/data/cve/CVE-2026-46207.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix empty payload in tap skb for n... | 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 | linux: In the Linux kernel, the following vulnerability has been resolved: media: rc: xbox_remote: heed DMA restrictions T... | 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 | linux: In the Linux kernel, the following vulnerability has been resolved: mm/pagewalk: fix race between concurrent split a... | 5.5 | 0.0009 | | --- Data as of 2026-11-10T01:44:33Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.