Out-of-bounds Read Affecting qemu-kvm-block-iscsi package, versions <15:4.2.1-15.module+el8.5.0+20482+a450964e


Severity

Recommended
high

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.37% (73rd percentile)

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  • Snyk ID SNYK-ORACLE8-QEMUKVMBLOCKISCSI-2584221
  • published 10 Apr 2022
  • disclosed 26 Nov 2020

How to fix?

Upgrade Oracle:8 qemu-kvm-block-iscsi to version 15:4.2.1-15.module+el8.5.0+20482+a450964e or higher.
This issue was patched in ELSA-2022-9172.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-kvm-block-iscsi package and not the qemu-kvm-block-iscsi package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

slirp.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header data even if that exceeds the total packet length.

CVSS Scores

version 3.1
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NVD

4.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    None
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SUSE

4.3 medium
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Red Hat

2.5 low