Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989226)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989226 advisory. In the Linux kernel, the following vulnerability has been resolved: regmap: Fix possible double-free in regcacherbtreeexit In regcacherbtreeinserttoblock, when...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987255)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987255 advisory. In the Linux kernel, the following vulnerability has been resolved: regmap: Fix possible double-free in regcacherbtreeexit In regcacherbtreeinserttoblock, when...

Linux kernel regmap DoS

The vulnerability of the regmap component in the Linux operating system’s kernel is related to double-freeing errors in the regcacherbtreeinserttoblock function. Exploiting this vulnerability can allow an attacker to cause a service failure...

SUSE CVE-2021-47483

In the Linux kernel, the following vulnerability has been resolved: regmap: Fix possible double-free in regcacherbtreeexit In regcacherbtreeinserttoblock, when 'present' realloc failed, the 'blk' which is supposed to assign to 'rbnode-block' will be freed, so 'rbnode-block' points a freed memory,...

DEBIAN-CVE-2021-47483

In the Linux kernel, the following vulnerability has been resolved: regmap: Fix possible double-free in regcacherbtreeexit In regcacherbtreeinserttoblock, when 'present' realloc failed, the 'blk' which is supposed to assign to 'rbnode-block' will be freed, so 'rbnode-block' points a freed memory,...

PT-2024-8955

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a possible double-free in the regcache rbtree exit function. When 'present' realloc fails in regcache rbtree insert to block, the 'blk' assigned to 'rbnode-bloc...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a double release issue in the regcacherbtreeexit function...

kernel: regmap: Fix possible double-free in regcache_rbtree_exit()

A flaw was found in the Linux kernel's regmap subsystem. When memory reallocation fails during register cache block initialization, the error-handling path incorrectly attempts to release memory that has already been freed. A local privileged user could trigger this double-free condition during...

GSD-2021-1001965 regmap: Fix possible double-free in regcache_rbtree_exit()

regmap: Fix possible double-free in regcacherbtreeexit This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.254 by commit...

PT-2021-26675

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions 3.12 through 5.14 Description: The issue is related to a possible double-free in the regcache rbtree exit function. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel...

PT-2021-26606

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.14.16 Description The issue concerns a possible double-free in the regcache rbtree exit function. This problem was introduced in version v3.12 and is fixed in Linux Kernel version v5.14.16. The actual impact a...

PT-2021-26489

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.4.157 Description The issue concerns a possible double-free in the regcache rbtree exit function. The actual impact and attack plausibility have not yet been proven. Recommendations For versions prior to...

PT-2021-30390

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v4.4.291 Description The issue concerns a possible double-free in the regcache rbtree exit function. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions...

PT-2021-30453

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v4.19.215 Description The issue concerns a possible double-free in the regcache rbtree exit function. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions...

PT-2021-30670

Name of the Vulnerable Software and Affected Versions Linux Kernel versions 3.12 through 5.14 Description The issue is related to a possible double-free in the regcache rbtree exit function. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel...

PT-2021-30484

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.4.157 Description The issue is related to a possible double-free in the regcache rbtree exit function. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel...

PT-2021-26538

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.10.77 Description The issue is related to a possible double-free in the regcache rbtree exit function. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel...

PT-2021-30601

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.14.16 Description The issue concerns a possible double-free in the regcache rbtree exit function. This problem was introduced in version v3.12 and is fixed in Linux Kernel version v5.14.16. The actual impact a...

PT-2021-26435

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v4.14.254 Description The issue is related to a possible double-free in the regcache rbtree exit function. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel...

PT-2021-26414

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v4.9.289 Description The issue is related to a possible double-free in the regcache rbtree exit function. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel...