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Use After Free Affecting kernel-uek-debug package, versions <0:2.6.39-400.297.12.el5uek

Severity

 Recommended
0.0
high
0
10

Based on Oracle Linux security rating

    Threat Intelligence

    Exploit Maturity
    Mature
    EPSS
    0.08% (37th percentile)

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  • Snyk ID SNYK-ORACLE5-KERNELUEKDEBUG-2520639
  • published 10 Apr 2022
  • disclosed 19 Aug 2017
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Introduced: 19 Aug 2017

CVE-2017-10661 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Oracle:5 kernel-uek-debug to version 0:2.6.39-400.297.12.el5uek or higher.
This issue was patched in ELSA-2017-3637.

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.

Race condition in fs/timerfd.c in the Linux kernel before 4.10.15 allows local users to gain privileges or cause a denial of service (list corruption or use-after-free) via simultaneous file-descriptor operations that leverage improper might_cancel queueing.

References

CVSS Scores

version 3.1
Expand this section

NVD

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