Use After Free Affecting kernel-uek-debug package, versions <0:4.14.35-2025.405.3.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEBUG-2596604
  • published10 Apr 2022
  • disclosed9 Dec 2020

Introduced: 9 Dec 2020

CVE-2020-29660  (opens in a new tab)
CWE-416  (opens in a new tab)
CWE-667  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Oracle:7 kernel-uek-debug to version 0:4.14.35-2025.405.3.el7uek or higher.
This issue was patched in ELSA-2021-9035.

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:7 relevant fixed versions and status.

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24.

CVSS Scores

version 3.1