Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004090)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004090 advisory. In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsemdownwriteslowpath use-after-free because in rwsemcanspinonowner in...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001394)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001394 advisory. An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in delrelocroot in fs/btrfs/relocation.c when mounting a crafted...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004393)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004393 advisory. In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and unmounting can lead to a use-after-free in btrfsqueuework in...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004353)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004353 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 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004109)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004109 advisory. In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and unmounting can lead to a use-after-free in btrfsqueuework in...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002546)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002546 advisory. An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in ioctlmappage when mounting and operating a crafted btrfs imag...

EUVD-2019-8573

Malware in sbrugna...

SUSE CVE-2019-19318

In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsemdownwriteslowpath use-after-free because in rwsemcanspinonowner in kernel/locking/rwsem.c rwsemownerflags returns an already freed pointer,...

DEBIAN-CVE-2019-19377

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and unmounting can lead to a use-after-free in btrfsqueuework in fs/btrfs/async-thread.c...

Design/Logic Flaw

In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsemdownwriteslowpath use-after-free because in rwsemcanspinonowner in kernel/locking/rwsem.c rwsemownerflags returns an already freed pointer,...

Linux kernel null pointer dereference vulnerability (CNVD-2019-42382)

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 btrfsverifydevextents null pointer dereference vulnerability exists in fs/btrfs/volumes.c in Linux kernel versions...

PT-2019-6223 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel version 5.0.21 Description: The issue is related to a use-after-free vulnerability in the btrfs queue work function, located in the fs/btrfs/async-thread.c file. This vulnerability can be exploited by mounting a crafted btrfs...

PT-2019-4493 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel version 5.0.21 Description: The issue is related to a buffer overflow in the btrfs map block function of the Linux kernel, specifically when handling a crafted btrfs filesystem image with a certain configuration. This can lead to...

Design/Logic Flaw

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in ioctlmappage when mounting and operating a crafted btrfs image, because of a lack of block group item validation in checkleafitem in fs/btrfs/tree-checker.c...

UBUNTU-CVE-2018-14609

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in delrelocroot in fs/btrfs/relocation.c when mounting a crafted btrfs image, related to removing reloc rbtrees when reloc control has not been initialized...