Ubuntu: Security Advisory (USN-3821-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 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...

Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3821-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3821-2 advisory. USN-3821-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enableme...

USN-3821-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3821-1 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 LTS. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not...

USN-3821-2 linux-lts-xenial, linux-aws vulnerabilities

USN-3821-1 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 LTS. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not...

USN-3821-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service system crash. CVE-2018-10880 It...

USN-3821-1: Linux kernel vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service system crash. CVE-2018-10880 It...

Kernel update: Virtuozzo ReadyKernel patch 65.0 for Virtuozzo 7.0.4 to 7.0.5

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo kernels 3.10.0-514.16.1.vz7.30.10 7.0.4, 3.10.0-514.16.1.vz7.30.15 7.0.4 HF3, and 3.10.0-514.26.1.vz7.33.22 7.0.5. Vulnerability id: PSBM-89323 Potential kernel crash in cbtflushcpucache...

Kernel update: Virtuozzo ReadyKernel patch 65.0 for Virtuozzo 7.0.6 to 7.0.7 HF2

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo kernels 3.10.0-693.1.1.vz7.37.30 7.0.6, 3.10.0-693.11.6.vz7.40.4 7.0.6 HF3, 3.10.0-693.17.1.vz7.43.10 7.0.7, and 3.10.0-693.21.1.vz7.46.7 7.0.7 HF2. Vulnerability id: PSBM-89323 Potential...

kernel: stack-out-of-bounds write in jbd2_journal_dirty_metadata function

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound write in jbd2journaldirtymetadata, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image...

kernel: use-after-free detected in ext4_xattr_set_entry with a crafted file

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause a use-after-free in ext4xattrsetentry function and a denial of service or unspecified other impact may occur by renaming a file in a crafted ext4 filesystem image...

kernel: out-of-bound access in ext4_get_group_info() when mounting and operating a crafted ext4 image

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound access in ext4getgroupinfo function, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image...

kernel: NULL pointer dereference in ext4/xattr.c:ext4_xattr_inode_hash() causes crash with crafted ext4 image

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...

kernel: stack-out-of-bounds write in jbd2_journal_dirty_metadata function

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound write in jbd2journaldirtymetadata, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image...

kernel: out-of-bound write in ext4_init_block_bitmap function with a crafted ext4 image

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write and a denial of service or unspecified other impact is possible by mounting and operating a crafted ext4 filesystem image...

kernel: out-of-bound access in ext4_ext_drop_refs function with a crafted ext4 image

A flaw was found in the Linux kernel ext4 filesystem. An out-of-bound access is possible in the ext4extdroprefs function when operating on a crafted ext4 filesystem image...

kernel: use-after-free detected in ext4_xattr_set_entry with a crafted file

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause a use-after-free in ext4xattrsetentry function and a denial of service or unspecified other impact may occur by renaming a file in a crafted ext4 filesystem image...

kernel: out-of-bound access in ext4_get_group_info() when mounting and operating a crafted ext4 image

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound access in ext4getgroupinfo function, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image...

kernel: NULL pointer dereference in ext4/mballoc.c:ext4_process_freed_data() when mounting crafted ext4 image

The Linux kernel is vulnerable to a NULL pointer dereference in the ext4/mballoc.c:ext4processfreeddata function. An attacker could trick a legitimate user or a privileged attacker could exploit this by mounting a crafted ext4 image to cause a kernel panic...

kernel: stack-out-of-bounds write in ext4_update_inline_data function

A flaw was found in the Linux kernel's ext4 filesystem code. A stack-out-of-bounds write in ext4updateinlinedata is possible when mounting and writing to a crafted ext4 image. An attacker could use this to cause a system crash and a denial of service...

kernel: out-of-bound access in fs/posix_acl.c:get_acl() causes crash with crafted ext4 image

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,...