CVE-2023-1544 Qemu: pvrdma: out-of-bounds read in pvrdma_ring_next_elem_read()

2023-03-2300:00:00

CWE-125

fedora

github.com

qemu

pvdrma

out-of-bounds read

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.2 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

20.5%

JSON

A flaw was found in the QEMU implementation of VMWare’s paravirtual RDMA device. This flaw allows a crafted guest driver to allocate and initialize a huge number of page tables to be used as a ring of descriptors for CQ and async events, potentially leading to an out-of-bounds read and crash of QEMU.

CNA Affected

[
  {
    "versions": [
      {
        "status": "unaffected",
        "version": "8.2.0-rc0",
        "lessThan": "*",
        "versionType": "semver"
      }
    ],
    "packageName": "qemu",
    "collectionURL": "https://gitlab.com/qemu-project/qemu",
    "defaultStatus": "affected"
  }
]