Out-of-Bounds Affecting libvirt package, versions <0:8.0.0-10.module+el8.7.0+1084+97b81f61


Severity

Recommended
low

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.07% (32nd percentile)

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  • Snyk IDSNYK-ROCKY8-LIBVIRT-3271257
  • published5 Jan 2023
  • disclosed6 May 2021

Introduced: 6 May 2021

CVE-2021-3507  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 libvirt to version 0:8.0.0-10.module+el8.7.0+1084+97b81f61 or higher.
This issue was patched in RLSA-2022:7472.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt package and not the libvirt package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest system. A privileged guest user could use this flaw to crash the QEMU process on the host resulting in DoS scenario, or potential information leakage from the host memory.

CVSS Scores

version 3.1