CVE-2020-8428

fs/namei.c in the Linux kernel before 5.5 has a maycreateinsticky use-after-free, which allows local users to cause a denial of service OOPS or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if...

CVE-2020-8428: Use After Free

fs/namei.c in the Linux kernel before 5.5 has a maycreateinsticky use-after-free, which allows local users to cause a denial of service OOPS or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if...

PT-2020-1635

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.5 Description The issue is related to a use-after-free in the fs/namei.c file of the Linux kernel. This can be exploited by local users to cause a denial of service or possibly obtain sensitive information from...

Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2019-1671)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2018-1095

The Linux kernel is vulnerable to an out-of-bound access bug in the fs/posixacl.c:getacl function. An attacker could trick a legitimate user or a privileged attacker could exploit this to cause a system crash or other unspecified impact with a crafted ext4 image. Due to the nature of the flaw,...

Null pointer dereference

In the Linux kernel before 5.0.6, there is a NULL pointer dereference in dropsysctltable in fs/proc/procsysctl.c, related to putlinks, aka CID-23da9588037e...

CVE-2019-20054

In the Linux kernel before 5.0.6, there is a NULL pointer dereference in dropsysctltable in fs/proc/procsysctl.c, related to putlinks, aka CID-23da9588037e...

CVE-2019-20054: NULL Pointer Dereference

In the Linux kernel before 5.0.6, there is a NULL pointer dereference in dropsysctltable in fs/proc/procsysctl.c, related to putlinks, aka CID-23da9588037e...

Design/Logic Flaw

In the Linux kernel before 5.4.2, the iouring feature leads to requests that inadvertently have UID 0 and full capabilities, aka CID-181e448d8709. This is related to fs/io-wq.c, fs/iouring.c, and net/socket.c. For example, an attacker can bypass intended restrictions on adding an IPv4 address to...

CVE-2019-19241

In the Linux kernel before 5.4.2, the iouring feature leads to requests that inadvertently have UID 0 and full capabilities, aka CID-181e448d8709. This is related to fs/io-wq.c, fs/iouring.c, and net/socket.c. For example, an attacker can bypass intended restrictions on adding an IPv4 address to...

CVE-2019-19815

In the Linux kernel 5.0.21, mounting a crafted f2fs filesystem image can cause a NULL pointer dereference in f2fsrecoverfsyncdata in fs/f2fs/recovery.c. This is related to F2FSPSB in fs/f2fs/f2fs.h...

CVE-2019-19816

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image and performing some operations can cause slab-out-of-bounds write access in btrfsmapblock in fs/btrfs/volumes.c, because a value of 1 for the number of data stripes is mishandled...

CVE-2019-19816: Out-of-bounds Write

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image and performing some operations can cause slab-out-of-bounds write access in btrfsmapblock in fs/btrfs/volumes.c, because a value of 1 for the number of data stripes is mishandled...

CVE-2019-19813: Use After Free

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-2019-19815: NULL Pointer Dereference

In the Linux kernel 5.0.21, mounting a crafted f2fs filesystem image can cause a NULL pointer dereference in f2fsrecoverfsyncdata in fs/f2fs/recovery.c. This is related to F2FSPSB in fs/f2fs/f2fs.h...

CVE-2019-19241: Undefined Security Weakness

In the Linux kernel before 5.4.2, the iouring feature leads to requests that inadvertently have UID 0 and full capabilities, aka CID-181e448d8709. This is related to fs/io-wq.c, fs/iouring.c, and net/socket.c. For example, an attacker can bypass intended restrictions on adding an IPv4 address to...

CVE-2019-19770

In the Linux kernel 4.19.83, there is a use-after-free read in the debugfsremove function in fs/debugfs/inode.c which is used to remove a file or directory in debugfs that was previously created with a call to another debugfs function such as debugfscreatefile. NOTE: Linux kernel developers dispu...

CVE-2019-19767

The Linux kernel before 5.4.2 mishandles ext4expandextraisize, as demonstrated by use-after-free errors in ext4expandextraisize and ext4xattrsetentry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163...

CVE-2019-19767: Use After Free

The Linux kernel before 5.4.2 mishandles ext4expandextraisize, as demonstrated by use-after-free errors in ext4expandextraisize and ext4xattrsetentry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163...

CVE-2019-19770: Use After Free

In the Linux kernel 4.19.83, there is a use-after-free read in the debugfsremove function in fs/debugfs/inode.c which is used to remove a file or directory in debugfs that was previously created with a call to another debugfs function such as debugfscreatefile. NOTE: Linux kernel developers dispu...