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vhost_task: Handle SIGKILL by flushing work and exiting

Type: advisorySources: OSV

In the Linux kernel, the following vulnerability has been resolved: vhost_task: Handle SIGKILL by flushing work and exiting Instead of lingering until the device is closed, this has us handle SIGKILL by: 1. marking the worker as killed so we no longer try to use it with new virtqueues and new flush operations. 2. setting the virtqueue to worker mapping so no new works are queued. 3. running all the exiting works.

Products
Kernel
Affected versions
Not specified
Fixed versions
6.6.39, 6.9.9
CVEs
CVE-2024-42135
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 16:18 UTC · Revision 1

Source evidence

vhost_task: Handle SIGKILL by flushing work and exiting

core-osv · Original source

Published 30 Jul 2024, 07:46 UTC

In the Linux kernel, the following vulnerability has been resolved: vhost_task: Handle SIGKILL by flushing work and exiting Instead of lingering until the device is closed, this has us handle SIGKILL by: 1. marking the worker as killed so we no longer try to use it with new virtqueues and new flush operations. 2. setting the virtqueue to worker mapping so no new works are queued. 3. running all the exiting works.

osv:CVE-2024-42135

Kernel

Fixed versions: 6.6.39, 6.9.9

Complete source record
{
  "id": "02f7ad7c51bc77131e26b246a70e8e2d79bac900620344bd0cb6f0cb24403d1e",
  "url": "https://osv.dev/vulnerability/CVE-2024-42135",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "vhost_task: Handle SIGKILL by flushing work and exiting",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: vhost_task: Handle SIGKILL by flushing work and exiting Instead of lingering until the device is closed, this has us handle SIGKILL by: 1. marking the worker as killed so we no longer try to use it with new virtqueues and new flush operations. 2. setting the virtqueue to worker mapping so no new works are queued. 3. running all the exiting works.",
    "evidence": "osv:CVE-2024-42135",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.6.39",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.9.9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-42135",
      "aliases": [
        "CVE-2024-42135"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f9010dbdce911ee1f1af1398a24b1f9f992e0080"
                },
                {
                  "fixed": "abe067dc3a662eef7d5cddbbc41ed50a0b68b0af"
                },
                {
                  "fixed": "dec987fe2df670827eb53b97c9552ed8dfc63ad4"
                },
                {
                  "fixed": "db5247d9bf5c6ade9fd70b4e4897441e0269b233"
                }
              ]
            }
          ],
          "versions": [
            "v6.9-rc1",
            "v6.9.8",
            "v6.6.38",
            "v6.6.37",
            "v6.9.7",
            "v6.6.36",
            "v6.9.6",
            "v6.6.35",
            "v6.9",
            "v6.9.5",
            "v6.6.34",
            "v6.9.4",
            "v6.6.33",
            "v6.9.3",
            "v6.6.32",
            "v6.9.2",
            "v6.9.1",
            "v6.6.31",
            "v6.6.30",
            "v6.9-rc6",
            "v6.9-rc7",
            "v6.9-rc5",
            "v6.9-rc3",
            "v6.9-rc2",
            "v6.8",
            "v6.9-rc4",
            "v6.6.29",
            "v6.6.28",
            "v6.8-rc1",
            "v6.6.27",
            "v6.6.26",
            "v6.6.25",
            "v6.6.24",
            "v6.6.23",
            "v6.6.22",
            "v6.7-rc1",
            "v6.8-rc7",
            "v6.6.21",
            "v6.8-rc6",
            "v6.8-rc5",
            "v6.8-rc4",
            "v6.8-rc3",
            "v6.8-rc2",
            "v6.6.20",
            "v6.6.19",
            "v6.6.18",
            "v6.6.17",
            "v6.6.16",
            "v6.6.15",
            "v6.6.14",
            "v6.6.13",
            "v6.7",
            "v6.6.12",
            "v6.7-rc3",
            "v6.7-rc8",
            "v6.6.11",
            "v6.7-rc7",
            "v6.6.10",
            "v6.6.9",
            "v6.7-rc6",
            "v6.6.8",
            "v6.7-rc2",
            "v6.6.7",
            "v6.7-rc4",
            "v6.7-rc5",
            "v6.6.6",
            "v6.6.5",
            "v6.6.4",
            "v6.6",
            "v6.6.3",
            "v6.6.2",
            "v6.6.1",
            "v6.6-rc1",
            "v6.6-rc5",
            "v6.6-rc3",
            "v6.6-rc7",
            "v6.6-rc6",
            "v6.6-rc4",
            "v6.6-rc2",
            "v6.5",
            "v6.5-rc1",
            "v6.5-rc2",
            "v6.5-rc7",
            "v6.5-rc4",
            "v6.5-rc3",
            "v6.5-rc6",
            "v6.5-rc5",
            "v6.4",
            "v6.4-rc7",
            "v6.4-rc6",
            "v6.4-rc5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42135.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.4.0"
                },
                {
                  "fixed": "6.6.39"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.9.9"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42135.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.410273924Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/abe067dc3a662eef7d5cddbbc41ed50a0b68b0af",
        "https://git.kernel.org/stable/c/db5247d9bf5c6ade9fd70b4e4897441e0269b233",
        "https://git.kernel.org/stable/c/dec987fe2df670827eb53b97c9552ed8dfc63ad4",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42135.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-42135",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42135.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-42135",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 504600,
  "published_at": "2024-07-30T07:46:30.271+00:00"
}