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",
      },
      {
         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

2024-12-19 07:41

Severity ?

Summary

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]

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

Version

▼

Linux

Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Linux

Show details on NVD website

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All sightings related to this event Export sightings related to this event

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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