{
  "cveId": "CVE-2022-49776",
  "url": "https://patchblox.com/security/cve/CVE-2022-49776",
  "summary": "CVE-2022-49776 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49776, released May 1, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  macvlan: enforce a consistent minimal mtu  macvl...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  macvlan: enforce a consistent minimal mtu  macvlan should enforce a minimal mtu of 68, even at link creation.  This patch avoids the current behavior (which could lead to crashes in ipv6 stack if the link is brought up)  $ ip link add macvlan1 link eno1 mtu 8 type macvlan  # This should fail ! $ ip link sh dev macvlan1 5: macvlan1@eno1: \u003CBROADCAST,MULTICAST\u003E mtu 8 qdisc noop     state DOWN mode DEFAULT group default qlen 1000     link/ether 02:47:6c:24:74:82 brd ff:ff:ff:ff:ff:ff $ ip link set macvlan1 mtu 67 Error: mtu less than device minimum. $ ip link set macvlan1 mtu 68 $ ip link set macvlan1 mtu 8 Error: mtu less than device minimum.",
  "published": "2025-05-01T15:16:00Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00218,
  "epssPercentile": 0.12321,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.0.10-1",
      "fix": "DEBIAN-CVE-2022-49776",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49776",
      "released": "2025-05-01T15:16:00Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.0.10-1",
      "fix": "DEBIAN-CVE-2022-49776",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49776",
      "released": "2025-05-01T15:16:00Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.0.10-1",
      "fix": "DEBIAN-CVE-2022-49776",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49776",
      "released": "2025-05-01T15:16:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}