NULL Pointer Dereference Affecting kernel-debug-modules package, versions <0:5.14.0-570.12.1.0.1.el9_6


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.23% (14th percentile)

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  • Snyk IDSNYK-ORACLE9-KERNELDEBUGMODULES-10237655
  • published24 May 2025
  • disclosed28 Dec 2024

Introduced: 28 Dec 2024

CVE-2024-56688  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:9 kernel-debug-modules to version 0:5.14.0-570.12.1.0.1.el9_6 or higher.
This issue was patched in ELSA-2025-6966.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-modules package and not the kernel-debug-modules package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

sunrpc: clear XPRT_SOCK_UPD_TIMEOUT when reset transport

Since transport->sock has been set to NULL during reset transport, XPRT_SOCK_UPD_TIMEOUT also needs to be cleared. Otherwise, the xs_tcp_set_socket_timeouts() may be triggered in xs_tcp_send_request() to dereference the transport->sock that has been set to NULL.

CVSS Base Scores

version 3.1