Linux kernel Heap Buffer Overflow DoS

The vulnerability of the queryregdbfile function in the Linux operating system’s kernel is related to the lack of memory release after the effective lifespan of the function has ended. Exploiting this vulnerability can allow an attacker to cause a service failure...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-986700)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986700 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix memory leak in queryregdbfile In the function queryregdbfile the alpha2...

SUSE CVE-2022-49881

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix memory leak in queryregdbfile In the function queryregdbfile the alpha2 parameter is duplicated using kmemdup and subsequently freed in regdbfwcb. However, requestfirmwarenowait can fail without calling...

DEBIAN-CVE-2022-49881

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix memory leak in queryregdbfile In the function queryregdbfile the alpha2 parameter is duplicated using kmemdup and subsequently freed in regdbfwcb. However, requestfirmwarenowait can fail without calling...

CVE-2022-49881 wifi: cfg80211: fix memory leak in query_regdb_file()

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix memory leak in queryregdbfile In the function queryregdbfile the alpha2 parameter is duplicated using kmemdup and subsequently freed in regdbfwcb. However, requestfirmwarenowait can fail without calling...

PT-2022-36436

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.4.225 Description A memory leak issue exists in the query regdb file function related to cfg80211, which is a Linux kernel module for configuring wireless devices. The actual impact and attack plausibility of...