Uninitialized Read Vulnerability in QEMU Leading to Crash
CVE-2022-35414

8.8HIGH

Key Information:

Vendor

Qemu
Status
Qemu
Vendor
CVE Published:
11 July 2022

What is CVE-2022-35414?

The QEMU emulator, through version 7.0.0, contains a vulnerability in the softmmu/physmem.c file that may lead to an uninitialized read when processing requests on the translate_fail path. This flaw can result in either an io_readx or io_writex crash. Furthermore, documentation from qemu.org notes that issues categorized under 'Non-virtualization Use Cases' are not flagged as security bugs. It is critical for users of QEMU to pay attention to this vulnerability to mitigate risks associated with potential system instability.

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References

https://github.com/qemu/qemu/blob/f200ff158d5abcb974a6b59...
x_refsource_MISC
https://github.com/qemu/qemu/commit/418ade7849ce7641c0f73...
x_refsource_MISC
https://github.com/qemu/qemu/commit/3517fb726741c109cae79...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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