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Resource Exhaustion Affecting kernel-uek-debug package, versions <0:2.6.39-400.312.2.el5uek

Severity

 Recommended
0.0
high
0
10

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    96.6% (100th percentile)

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  • Snyk ID SNYK-ORACLE5-KERNELUEKDEBUG-2545428
  • published 10 Apr 2022
  • disclosed 19 Jun 2019
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Introduced: 19 Jun 2019

CVE-2019-11478 Open this link in a new tab
CWE-400 Open this link in a new tab

How to fix?

Upgrade Oracle:5 kernel-uek-debug to version 0:2.6.39-400.312.2.el5uek or higher.
This issue was patched in ELSA-2019-4689.

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.

Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit f070ef2ac66716357066b683fb0baf55f8191a2e.

References