Out-of-bounds Write Affecting kernel-uek-debug package, versions <0:2.6.39-400.214.6.el5uek


Severity

high

    Threat Intelligence

    EPSS
    0.23% (61st percentile)

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  • Snyk ID SNYK-ORACLE5-KERNELUEKDEBUG-2486232
  • published 10 Apr 2022
  • disclosed 14 Apr 2014

How to fix?

Upgrade Oracle:5 kernel-uek-debug to version 0:2.6.39-400.214.6.el5uek or higher.
This issue was patched in ELSA-2014-3022.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug package and not the kernel-uek-debug package as distributed by Oracle. See How to fix? for Oracle:5 relevant fixed versions and status.

drivers/vhost/net.c in the Linux kernel before 3.13.10, when mergeable buffers are disabled, does not properly validate packet lengths, which allows guest OS users to cause a denial of service (memory corruption and host OS crash) or possibly gain privileges on the host OS via crafted packets, related to the handle_rx and get_rx_bufs functions.

CVSS Scores

version 3.1
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Snyk

5.9 high
  • Attack Vector (AV)
    Adjacent
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    High
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NVD

5.9 medium
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Red Hat

5.9 medium