github - ghsa-xchp-7x95-36g7

ghsa-xchp-7x95-36g7

Vulnerability from github

Published

2024-05-21 15:31

Modified

2024-05-21 15:31

Details

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

KVM: x86: Handle SRCU initialization failure during page track init

Check the return of init_srcu_struct(), which can fail due to OOM, when initializing the page track mechanism. Lack of checking leads to a NULL pointer deref found by a modified syzkaller.

[Move the call towards the beginning of kvm_arch_init_vm. - Paolo]

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47407"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-21T15:15:26Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: Handle SRCU initialization failure during page track init\n\nCheck the return of init_srcu_struct(), which can fail due to OOM, when\ninitializing the page track mechanism.  Lack of checking leads to a NULL\npointer deref found by a modified syzkaller.\n\n[Move the call towards the beginning of kvm_arch_init_vm. - Paolo]",
  "id": "GHSA-xchp-7x95-36g7",
  "modified": "2024-05-21T15:31:45Z",
  "published": "2024-05-21T15:31:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47407"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4664318f73e496cd22c71b10888e75434a123e23"
    },
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      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/deb2949417677649e2413266d7ce8c2ff73952b4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eb7511bf9182292ef1df1082d23039e856d1ddfb"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2021-47407

Vulnerability from cvelistv5

Published

2024-05-21 15:03

Modified

2024-11-04 12:05

Severity ?

Summary

KVM: x86: Handle SRCU initialization failure during page track init

References

▼	URL	Tags
	https://git.kernel.org/stable/c/deb2949417677649e2413266d7ce8c2ff73952b4
	https://git.kernel.org/stable/c/4664318f73e496cd22c71b10888e75434a123e23
	https://git.kernel.org/stable/c/eb7511bf9182292ef1df1082d23039e856d1ddfb

Impacted products

▼	Vendor	Product
	Linux	Linux
	Linux	Linux

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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