Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003782)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003782 advisory. ext4emptydir in fs/ext4/namei.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because ext4readdirblockinode,0,DIRENTHTREE can be zero. Tenable...

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 the ext4emptydir function that can lead to out-of-bounds reads when checking the dotdot directory...

Linux ext4_empty_dir Heap Buffer Overflow DoS

The vulnerability of the ext4emptydir function fs/ext4/namei.c in the Linux operating system is related to the assignment of a null pointer. Exploiting this vulnerability allows an attacker to cause a service failure...

UBUNTU-CVE-2019-19037

ext4emptydir in fs/ext4/namei.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because ext4readdirblockinode,0,DIRENTHTREE can be zero...

Linux kernel null pointer dereference vulnerability (CNVD-2019-42387)

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A null pointer dereference vulnerability exists in ext4emptydir in fs/ext4/namei.c in Linux kernel 5.3.12 and earlier...