Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003914)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003914 advisory. In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000528)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000528 advisory. In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a...

EUVD-2019-9069

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2019-19813

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a...

SUSE CVE-2019-19448

In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in trymergefreespace in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the...

Arbitrary Code Execution

kernel is vulnerable to arbitrary code execution. A user-after-free occurs in trymergefreespace in fs/btrfs/free-space-cache.c when mounting malicious btrfs filesystem image and subsequently making a syncfs system call. This could potentially lead to arbitrary code execution on the OS...

CVE-2019-19813

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in mutexlock in kernel/locking/mutex.c. This is related to mutexcanspinonowner in kernel/locking/mutex.c, btrfsqgroupfreemeta in...

CVE-2019-19813

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in mutexlock in kernel/locking/mutex.c. This is related to mutexcanspinonowner in kernel/locking/mutex.c, btrfsqgroupfreemeta in...

CVE-2019-19813

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in mutexlock in kernel/locking/mutex.c. This is related to mutexcanspinonowner in kernel/locking/mutex.c, btrfsqgroupfreemeta in...

DEBIAN-CVE-2019-19448

In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in trymergefreespace in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the...

UBUNTU-CVE-2019-19448

In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in trymergefreespace in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the...

Design/Logic Flaw

In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in trymergefreespace in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the...

CVE-2019-19448

CVE-2019-19448 is a use-after-free in Linux kernel’s Btrfs code (try_merge_free_space in fs/btrfs/free-space-cache.c). It can be triggered by mounting a crafted Btrfs image and performing operations followed by a syncfs, due to a pointer alias between left and right data structures. Affected: Lin...

PT-2019-4484 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions 5.0.21 and 5.3.11 Description: The issue is related to the use of memory after it has been freed in the try merge free space function of the Linux kernel, specifically in the fs/btrfs/free-space-cache.c file. This can be...