Improper Input Validation Affecting kernel-uek-debug package, versions <0:2.6.39-400.209.1.el5uek


Severity

high

    Threat Intelligence

    EPSS
    0.25% (66th percentile)

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  • Snyk ID SNYK-ORACLE5-KERNELUEKDEBUG-2479075
  • published 10 Apr 2022
  • disclosed 25 Sep 2013

How to fix?

Upgrade Oracle:5 kernel-uek-debug to version 0:2.6.39-400.209.1.el5uek or higher.
This issue was patched in ELSA-2013-2546.

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.

The dispatch_discard_io function in drivers/block/xen-blkback/blkback.c in the Xen blkback implementation in the Linux kernel before 3.10.5 allows guest OS users to cause a denial of service (data loss) via filesystem write operations on a read-only disk that supports the (1) BLKIF_OP_DISCARD (aka discard or TRIM) or (2) SCSI UNMAP feature.

CVSS Scores

version 3.1
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Snyk

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

4.1 medium
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Red Hat

4.1 medium