Use After Free Affecting swtpm-tools package, versions <0:0.7.0-4.20211109gitb79fd91.module+el8.9.0+90173+a3f3e83a


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-ORACLE8-SWTPMTOOLS-6156445
  • published 14 Jan 2024
  • disclosed 24 Jul 2023

How to fix?

Upgrade Oracle:8 swtpm-tools to version 0:0.7.0-4.20211109gitb79fd91.module+el8.9.0+90173+a3f3e83a or higher.
This issue was patched in ELSA-2024-12276.

NVD Description

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

A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU. This issue could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.

CVSS Scores

version 3.1
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NVD

6.5 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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SUSE

7.5 high
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Red Hat

6 medium