github - ghsa-rq49-9828-pwwr

ghsa-rq49-9828-pwwr

Vulnerability from github

Published

2022-05-17 03:52

Modified

2022-05-17 03:52

Severity ?

7.1 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Details

The msr_mtrr_valid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvm_arch_vcpu data structure, and consequently obtain sensitive information or cause a denial of service (system crash), via a crafted ioctl call.

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{
  "affected": [],
  "aliases": [
    "CVE-2016-3713"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-06-27T10:59:00Z",
    "severity": "HIGH"
  },
  "details": "The msr_mtrr_valid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvm_arch_vcpu data structure, and consequently obtain sensitive information or cause a denial of service (system crash), via a crafted ioctl call.",
  "id": "GHSA-rq49-9828-pwwr",
  "modified": "2022-05-17T03:52:24Z",
  "published": "2022-05-17T03:52:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-3713"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/9842df62004f366b9fed2423e24df10542ee0dc5"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1332139"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9842df62004f366b9fed2423e24df10542ee0dc5"
    },
    {
      "type": "WEB",
      "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/05/16/2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2016-3713 (GCVE-0-2016-3713)

Vulnerability from cvelistv5

Published

2016-06-27 10:00

Modified

2024-08-06 00:03

Severity ?

CWE

n/a

Summary

The msr_mtrr_valid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvm_arch_vcpu data structure, and consequently obtain sensitive information or cause a denial of service (system crash), via a crafted ioctl call.

References

URL

Tags

	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1	x_refsource_CONFIRM
	https://github.com/torvalds/linux/commit/9842df62004f366b9fed2423e24df10542ee0dc5	x_refsource_CONFIRM
	http://www.openwall.com/lists/oss-security/2016/05/16/2	mailing-list, x_refsource_MLIST
	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9842df62004f366b9fed2423e24df10542ee0dc5	x_refsource_CONFIRM
	https://bugzilla.redhat.com/show_bug.cgi?id=1332139	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

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}

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