github - ghsa-7jp4-523x-8hmf

GHSA-7JP4-523X-8HMF

Vulnerability from github – Published: 2025-05-01 15:31 – Updated: 2025-11-07 21:31

Details

In the Linux kernel, the following vulnerability has been resolved:

KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()

Should not call eventfd_ctx_put() in case of error.

[Introduce new goto target instead. - Paolo]

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49774"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T15:16:00Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()\n\nShould not call eventfd_ctx_put() in case of error.\n\n[Introduce new goto target instead. - Paolo]",
  "id": "GHSA-7jp4-523x-8hmf",
  "modified": "2025-11-07T21:31:15Z",
  "published": "2025-05-01T15:31:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49774"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7353633814f6e5b4899fb9ee1483709d6bb0e1cd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d76f46f47dfde220712d1420ee5dbc546c8fc674"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-49774 (GCVE-0-2022-49774)

Vulnerability from cvelistv5 – Published: 2025-05-01 14:09 – Updated: 2025-05-04 08:45

Summary

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign() Should not call eventfd_ctx_put() in case of error. [Introduce new goto target instead. - Paolo]

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/d76f46f47dfde2207…
	https://git.kernel.org/stable/c/7353633814f6e5b48…

Impacted products

Vendor

Product

Version

Linux

Affected: 2fd6df2f2b47d4301b1ee0fe9d627d1c061a5988 , < d76f46f47dfde220712d1420ee5dbc546c8fc674 (git)
Affected: 2fd6df2f2b47d4301b1ee0fe9d627d1c061a5988 , < 7353633814f6e5b4899fb9ee1483709d6bb0e1cd (git)

Linux

Affected: 5.19
Unaffected: 0 , < 5.19 (semver)
Unaffected: 6.0.10 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/x86/kvm/xen.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "d76f46f47dfde220712d1420ee5dbc546c8fc674",
              "status": "affected",
              "version": "2fd6df2f2b47d4301b1ee0fe9d627d1c061a5988",
              "versionType": "git"
            },
            {
              "lessThan": "7353633814f6e5b4899fb9ee1483709d6bb0e1cd",
              "status": "affected",
              "version": "2fd6df2f2b47d4301b1ee0fe9d627d1c061a5988",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/x86/kvm/xen.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.19"
            },
            {
              "lessThan": "5.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.10",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()\n\nShould not call eventfd_ctx_put() in case of error.\n\n[Introduce new goto target instead. - Paolo]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:45:05.378Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d76f46f47dfde220712d1420ee5dbc546c8fc674"
        },
        {
          "url": "https://git.kernel.org/stable/c/7353633814f6e5b4899fb9ee1483709d6bb0e1cd"
        }
      ],
      "title": "KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49774",
    "datePublished": "2025-05-01T14:09:11.188Z",
    "dateReserved": "2025-04-16T07:17:33.805Z",
    "dateUpdated": "2025-05-04T08:45:05.378Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-7JP4-523X-8HMF

CVE-2022-49774 (GCVE-0-2022-49774)

Tags

Sightings

Nomenclature