Linux kernel 'ext4_valid_block_bitmap' function denial of service vulnerability

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A security vulnerability exists in the 'ext4validblockbitmap' function in the fs/ext4/balloc.c file in Linux kernel version 4.15.15 and earlier, which stems from the...

Linux kernel 'ext4_iget' function denial of service vulnerability

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A security vulnerability exists in the 'ext4iget' function in the fs/ext4/inode.c file in Linux kernel versions 4.15.15 and earlier. The vulnerability can be exploited...

Linux kernel denial of service vulnerability (CNVD-2018-08146)

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 denial of service vulnerability exists in 4.15.15 and earlier versions of the Linux kernel. The vulnerability arise...

CVE-2018-1095

The ext4xattrcheckentries function in fs/ext4/xattr.c in the Linux kernel through 4.15.15 does not properly validate xattr sizes, which causes misinterpretation of a size as an error code, and consequently allows attackers to cause a denial of service getacl NULL pointer dereference and system...

UBUNTU-CVE-2018-1095

The ext4xattrcheckentries function in fs/ext4/xattr.c in the Linux kernel through 4.15.15 does not properly validate xattr sizes, which causes misinterpretation of a size as an error code, and consequently allows attackers to cause a denial of service getacl NULL pointer dereference and system...

CVE-2018-1092

The ext4iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero ilinkscount, which allows attackers to cause a denial of service ext4processfreeddata NULL pointer dereference and OOPS via a crafted ext4 image...

CVE-2018-1093

The ext4validblockbitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service out-of-bounds read and system crash via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers...

UBUNTU-CVE-2018-1092

The ext4iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero ilinkscount, which allows attackers to cause a denial of service ext4processfreeddata NULL pointer dereference and OOPS via a crafted ext4 image...

UBUNTU-CVE-2018-1094

The ext4fillsuper function in fs/ext4/super.c in the Linux kernel through 4.15.15 does not always initialize the crc32c checksum driver, which allows attackers to cause a denial of service ext4xattrinodehash NULL pointer dereference and system crash via a crafted ext4 image...

CVE-2018-1094

The ext4fillsuper function in fs/ext4/super.c in the Linux kernel through 4.15.15 does not always initialize the crc32c checksum driver, which allows attackers to cause a denial of service ext4xattrinodehash NULL pointer dereference and system crash via a crafted ext4 image...

UBUNTU-CVE-2018-1093

The ext4validblockbitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service out-of-bounds read and system crash via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers...

PT-2018-1240 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions through 4.15.15 Description: The issue is related to the ext4 xattr check entries function in the Linux kernel, which does not properly validate xattr sizes. This causes misinterpretation of a size as an error code,...

PT-2018-1241 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions through 4.15.15 Description: The issue is related to the ext4 fill super function in the Linux kernel, which does not always initialize the crc32c checksum driver. This allows attackers to cause a denial of service via a...

PT-2018-1243 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions through 4.15.15 Description: The issue is related to the ext4 iget function in the Linux kernel, which mishandles a specific case involving a root directory with a zero i links count. This can be exploited by attackers t...

CVE-2018-1093

The Linux kernel is vulnerable to an out-of-bounds read in ext4/balloc.c:ext4validblockbitmap function. An attacker could trick a legitimate user or a privileged attacker could exploit this by mounting a crafted ext4 image to cause a crash...

CVE-2018-1094

The Linux kernel is vulnerable to a NULL pointer dereference in the ext4/xattr.c:ext4xattrinodehash function. An attacker could trick a legitimate user or a privileged attacker could exploit this to cause a NULL pointer dereference with a crafted ext4 image...

USN-3582-2: Linux kernel (Xenial HWE) vulnerabilities | Cloud Foundry

Severity High Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 14.04 Description USN-3582-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04...

Unbreakable Enterprise kernel security update

2.6.39-400.298.3 - ext4: limit group search loop for non-extent files Lachlan McIlroy Orabug: 17488415 - ext4: fixup 64-bit divides in 3.0-stable backport of upstream fix Todd Poynor Orabug: 17488415 - ext4: use atomic64t for the per-flexbg freeclusters count Theodore Ts'o Orabug: 17488415 - ext4...

Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3582-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3582-2 advisory. USN-3582-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enableme...

USN-3582-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel contained a race condition leading to uninitialized pointer usage. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2017-17712 Laurent Guerby discovered that...