{
  "fix": "ALAS2023-2026-1816",
  "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1816",
  "summary": "ALAS2023-2026-1816, released June 8, 2026, fixes 22 CVEs across 18 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 18 packages",
  "released": "2026-06-08T09:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-31708, high severity",
  "supported": true,
  "cveCount": 22,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00352,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://alas.aws.amazon.com/AL2023/ALAS-2026-1816.html",
  "appliesTo": [
    {
      "product": "bpftool6.12",
      "productUrl": "https://patchblox.com/security/product/linux/bpftool6.12",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "bpftool6.12-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/bpftool6.12-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "kernel-livepatch-6.12.90-120.164",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-livepatch-6.12.90-120.164",
      "release": "amzn 2023",
      "fixedVersion": "1:1.0-0.amzn2023",
      "supported": true
    },
    {
      "product": "kernel6.12",
      "productUrl": "https://patchblox.com/security/product/linux/kernel6.12",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "kernel6.12-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/kernel6.12-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "kernel6.12-debuginfo-common-aarch64",
      "productUrl": "https://patchblox.com/security/product/linux/kernel6.12-debuginfo-common-aarch64",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "kernel6.12-debuginfo-common-x86_64",
      "productUrl": "https://patchblox.com/security/product/linux/kernel6.12-debuginfo-common-x86-64",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "kernel6.12-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel6.12-devel",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "kernel6.12-headers",
      "productUrl": "https://patchblox.com/security/product/linux/kernel6.12-headers",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "kernel6.12-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel6.12-modules-extra",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "kernel6.12-modules-extra-common",
      "productUrl": "https://patchblox.com/security/product/linux/kernel6.12-modules-extra-common",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "kernel6.12-tools",
      "productUrl": "https://patchblox.com/security/product/linux/kernel6.12-tools",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "kernel6.12-tools-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/kernel6.12-tools-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "kernel6.12-tools-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel6.12-tools-devel",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "perf6.12",
      "productUrl": "https://patchblox.com/security/product/linux/perf6.12",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "perf6.12-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/perf6.12-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "python3-perf6.12",
      "productUrl": "https://patchblox.com/security/product/linux/python3-perf6.12",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    },
    {
      "product": "python3-perf6.12-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/python3-perf6.12-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:6.12.90-120.164.amzn2023",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-31708",
      "url": "https://patchblox.com/security/cve/CVE-2026-31708",
      "title": "smb: client: fix OOB read in smb2_ioctl_query_info QUERY_INFO path",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.00352,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31709",
      "url": "https://patchblox.com/security/cve/CVE-2026-31709",
      "title": "smb: client: validate the whole DACL before rewriting it in cifsacl",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00345,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43350",
      "url": "https://patchblox.com/security/cve/CVE-2026-43350",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  smb: client: require a full NFS mode SID before...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.6,
      "epss": 0.00324,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64379",
      "url": "https://patchblox.com/security/cve/CVE-2026-64379",
      "title": "smb: client: mask server-provided mode to 07777 in modefromsid",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00309,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31694",
      "url": "https://patchblox.com/security/cve/CVE-2026-31694",
      "title": "fuse: reject oversized dirents in page cache",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00284,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31786",
      "url": "https://patchblox.com/security/cve/CVE-2026-31786",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nBuffer overflow in drivers/xen/sys-hypervisor.c\nT...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7.8,
      "epss": 0.00197,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31787",
      "url": "https://patchblox.com/security/cve/CVE-2026-31787",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nxen/privcmd: fix double free via VMA splitting\npr...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7.8,
      "epss": 0.00183,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-23171",
      "url": "https://patchblox.com/security/cve/CVE-2026-23171",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: L...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00172,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46209",
      "url": "https://patchblox.com/security/cve/CVE-2026-46209",
      "title": "kernel-uek-core: [5.15.0-323.211.3.3]\n- Revert \u0027x86/alternatives: Add alt_instr.flags\u0027 (Harshit Mogalapalli)  [Orabug: 39853924]\n\n[5.1...",
      "priority": "High",
      "severity": "N/A",
      "cvss": 8.4,
      "epss": 0.00142,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46164",
      "url": "https://patchblox.com/security/cve/CVE-2026-46164",
      "title": "btrfs: fix double free in create_space_info_sub_group() error path",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7,
      "epss": 0.00136,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46234",
      "url": "https://patchblox.com/security/cve/CVE-2026-46234",
      "title": "vsock: fix buffer size clamping order",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00131,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31716",
      "url": "https://patchblox.com/security/cve/CVE-2026-31716",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  fs/ntfs3: validate rec-\u003Eused in journal-replay f...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.8,
      "epss": 0.00128,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43088",
      "url": "https://patchblox.com/security/cve/CVE-2026-43088",
      "title": "net: af_key: zero aligned sockaddr tail in PF_KEY exports",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.1,
      "epss": 0.00123,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43109",
      "url": "https://patchblox.com/security/cve/CVE-2026-43109",
      "title": "x86: shadow stacks: proper error handling for mmap lock",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.1,
      "epss": 0.00114,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31700",
      "url": "https://patchblox.com/security/cve/CVE-2026-31700",
      "title": "net/packet: fix TOCTOU race on mmap\u0027d vnet_hdr in tpacket_snd()",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00111,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46227",
      "url": "https://patchblox.com/security/cve/CVE-2026-46227",
      "title": "sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.4,
      "epss": 0.00104,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46214",
      "url": "https://patchblox.com/security/cve/CVE-2026-46214",
      "title": "kernel-uek-debug: [5.15.0-323.211.3.3]\n- Revert \u0027x86/alternatives: Add alt_instr.flags\u0027 (Harshit Mogalapalli)  [Orabug: 39853924]\n\n[5.1...",
      "priority": "Routine",
      "severity": "N/A",
      "cvss": 5.5,
      "epss": 0.00131,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46207",
      "url": "https://patchblox.com/security/cve/CVE-2026-46207",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  vsock/virtio: fix empty payload in tap skb for n...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00127,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31575",
      "url": "https://patchblox.com/security/cve/CVE-2026-31575",
      "title": "mm/userfaultfd: fix hugetlb fault mutex hash calculation",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00122,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46236",
      "url": "https://patchblox.com/security/cve/CVE-2026-46236",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  media: rc: xbox_remote: heed DMA restrictions  T...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00119,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46159",
      "url": "https://patchblox.com/security/cve/CVE-2026-46159",
      "title": "btrfs: fix btrfs_ioctl_space_info() slot_count TOCTOU which can lead to info-leak",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00098,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31456",
      "url": "https://patchblox.com/security/cve/CVE-2026-31456",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  mm/pagewalk: fix race between concurrent split a...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00089,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T01:44:33Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}