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CVE-2026-98381

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: veth: manage XDP program pointers during channel resize veth_set_channels() tears down XDP resources for removed RX queues without clearing rq->xdp_prog. If the program is then detached or replaced, those queues keep the old pointer after bpf_prog_put(). A later channel increase can re-enable NAPI and run the freed program. BUG: unable to handle page fault for address: ffffc90000256048 Oops: Oops: 0000 [#1] SMP KASAN NOPTI RIP: veth_xdp_rcv_skb (include/linux/filter.h:779 include/net/xdp.h:696 drivers/net/veth.c:820) Call Trace: veth_xdp_rcv (drivers/net/veth.c:941) veth_poll (drivers/net/veth.c:986) __napi_poll (net/core/dev.c:7787) net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) handle_softirqs (kernel/softirq.c:645) Kernel panic - not syncing: Fatal exception in interrupt

Severity
HIGH
CVSS score
7.8 (v3.1)
Vulnerability status
Received
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-10-09 08:16:56.547000
Last modified
2026-10-24 14:16:40.037000
View original CVE JSON
{
  "id": "CVE-2026-98381",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-10-09T08:16:56.547",
  "lastModified": "2026-10-24T14:16:40.037",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nveth: manage XDP program pointers during channel resize\n\nveth_set_channels() tears down XDP resources for removed RX queues\nwithout clearing rq->xdp_prog.  If the program is then detached or\nreplaced, those queues keep the old pointer after bpf_prog_put().\nA later channel increase can re-enable NAPI and run the freed program.\n\n  BUG: unable to handle page fault for address: ffffc90000256048\n  Oops: Oops: 0000 [#1] SMP KASAN NOPTI\n  RIP: veth_xdp_rcv_skb (include/linux/filter.h:779\n                         include/net/xdp.h:696 drivers/net/veth.c:820)\n  Call Trace:\n   veth_xdp_rcv (drivers/net/veth.c:941)\n   veth_poll (drivers/net/veth.c:986)\n   __napi_poll (net/core/dev.c:7787)\n   net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)\n   handle_softirqs (kernel/softirq.c:645)\n  Kernel panic - not syncing: Fatal exception in interrupt"
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/net/veth.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "4752eeb3d891c27905a8fdf4d80e899c0efd4ec7",
              "lessThan": "7a8e143109ff2736dc79e41dcd55af7ceab7520a",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "4752eeb3d891c27905a8fdf4d80e899c0efd4ec7",
              "lessThan": "1a5c5b9c64ba5f39dba55da6e12561ca56eeb758",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "4752eeb3d891c27905a8fdf4d80e899c0efd4ec7",
              "lessThan": "f0e8dba8c224981e53c792c6b3dbb7604fb2c2c6",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "4752eeb3d891c27905a8fdf4d80e899c0efd4ec7",
              "lessThan": "3c10a5dd0d38f506f671dbb59e9d0ee4c72076f9",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "4752eeb3d891c27905a8fdf4d80e899c0efd4ec7",
              "lessThan": "25bb7c36225220d30f404d7e29d2e052bc5f4b99",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "4752eeb3d891c27905a8fdf4d80e899c0efd4ec7",
              "lessThan": "43f6b647f209591b1e3f726bb16b8dcba6b95908",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "4752eeb3d891c27905a8fdf4d80e899c0efd4ec7",
              "lessThan": "7104a370714346b667712913dc16abf14bbc97ed",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/net/veth.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "5.15",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "5.15",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "5.15.222",
              "lessThanOrEqual": "5.15.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.1.189",
              "lessThanOrEqual": "6.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.6.158",
              "lessThanOrEqual": "6.6.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.112",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.55",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2.9",
              "lessThanOrEqual": "7.2.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.3",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ]
  },
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1a5c5b9c64ba5f39dba55da6e12561ca56eeb758",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/25bb7c36225220d30f404d7e29d2e052bc5f4b99",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/3c10a5dd0d38f506f671dbb59e9d0ee4c72076f9",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/43f6b647f209591b1e3f726bb16b8dcba6b95908",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7104a370714346b667712913dc16abf14bbc97ed",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7a8e143109ff2736dc79e41dcd55af7ceab7520a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f0e8dba8c224981e53c792c6b3dbb7604fb2c2c6",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}