github - ghsa-wcwj-rgxv-c28p

GHSA-WCWJ-RGXV-C28P

Vulnerability from github – Published: 2022-09-01 00:00 – Updated: 2022-09-08 00:00

Details

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.

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-2022-1263"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-08-31T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.",
  "id": "GHSA-wcwj-rgxv-c28p",
  "modified": "2022-09-08T00:00:34Z",
  "published": "2022-09-01T00:00:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-1263"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2022-1263"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2072698"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2022/04/07/1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
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      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-1263 (GCVE-0-2022-1263)

Vulnerability from cvelistv5 – Published: 2022-08-31 15:33 – Updated: 2024-08-02 23:55

Summary

Severity ?

No CVSS data available.

CWE

CWE-476 - - NULL Pointer Dereference.

Assigner

redhat

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=2072698	x_refsource_MISC
	https://www.openwall.com/lists/oss-security/2022/…	x_refsource_MISC
	https://github.com/torvalds/linux/commit/5593473a…	x_refsource_MISC
	https://access.redhat.com/security/cve/CVE-2022-1263	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Kernel:KVM	Affected: Fixed in kernel v5.18-rc3

Show details on NVD website

JSON

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{
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          },
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            ],
            "url": "https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4"
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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-WCWJ-RGXV-C28P

CVE-2022-1263 (GCVE-0-2022-1263)

Tags

Sightings

Nomenclature