NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package rhcos  (opens in a new tab)


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  • Snyk IDSNYK-RHEL9-RHCOS-7871916
  • published3 Sept 2024
  • disclosed31 Aug 2024

Introduced: 31 Aug 2024

CVE-2024-8006  (opens in a new tab)
CWE-476  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:9.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rhcos package and not the rhcos package as distributed by RHEL.

Remote packet capture support is disabled by default in libpcap. When a user builds libpcap with remote packet capture support enabled, one of the functions that become available is pcap_findalldevs_ex(). One of the function arguments can be a filesystem path, which normally means a directory with input data files. When the specified path cannot be used as a directory, the function receives NULL from opendir(), but does not check the return value and passes the NULL value to readdir(), which causes a NULL pointer derefence.