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CVE-2018-13406

Status Candidate

Overview

An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used.

Related Files

Kernel Live Patch Security Notice LSN-0043-1
Posted Sep 11, 2018
Authored by Benjamin M. Romer

Piotr Gabriel Kosinski and Daniel Shapira discovered a stack-based buffer overflow in the CDROM driver implementation of the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Jann Horn discovered that the ext4 filesystem implementation in the Linux kernel did not properly keep xattr information consistent in some situations. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. Various other issues have also been addressed.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux
advisories | CVE-2018-11412, CVE-2018-11506, CVE-2018-12233, CVE-2018-13405, CVE-2018-13406
SHA-256 | 0b4cb189d586aa4429e71fb9b98e664320f3da97740056519640d0e0b2c10d5f
Ubuntu Security Notice USN-3752-3
Posted Aug 29, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3752-3 - It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a denial of service. Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate meta-data information. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2018-1000200, CVE-2018-1000204, CVE-2018-10323, CVE-2018-10840, CVE-2018-10881, CVE-2018-1093, CVE-2018-1108, CVE-2018-1120, CVE-2018-11412, CVE-2018-11506, CVE-2018-12232, CVE-2018-12233, CVE-2018-12904, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406, CVE-2018-5814, CVE-2018-9415
SHA-256 | df405822058b07d43330a4315ada3e76a4b71ec3918d891cc128c577470eaa65
Ubuntu Security Notice USN-3753-1
Posted Aug 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3753-1 - It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-13168, CVE-2018-10877, CVE-2018-10879, CVE-2018-10881, CVE-2018-12233, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406
SHA-256 | 3b5999edf5c35c0584e8865b66aa44b922ddb9316d7b6d183227244d71e1bad5
Ubuntu Security Notice USN-3752-2
Posted Aug 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3752-2 - USN-3752-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-1000200, CVE-2018-1000204, CVE-2018-10323, CVE-2018-10840, CVE-2018-10881, CVE-2018-1093, CVE-2018-1108, CVE-2018-1120, CVE-2018-11412, CVE-2018-11506, CVE-2018-12232, CVE-2018-12233, CVE-2018-12904, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406, CVE-2018-5814, CVE-2018-9415
SHA-256 | f7a708d43dc8fc39287ba0870edf14e6d0ec3a7b3c72bc9ee988c9562a349836
Ubuntu Security Notice USN-3752-1
Posted Aug 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3752-1 - It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a denial of service. Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate meta-data information. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2018-1000200, CVE-2018-1000204, CVE-2018-10323, CVE-2018-10840, CVE-2018-10881, CVE-2018-1093, CVE-2018-1108, CVE-2018-1120, CVE-2018-11412, CVE-2018-11506, CVE-2018-12232, CVE-2018-12233, CVE-2018-12904, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406, CVE-2018-5814, CVE-2018-9415
SHA-256 | c7a9f122697774982780879f9c8d3a59d9eae1e54b93440f77d25f92ab601153
Ubuntu Security Notice USN-3753-2
Posted Aug 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3753-2 - USN-3753-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. Various other issues were also addressed.

tags | advisory, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-13168, CVE-2018-10877, CVE-2018-10879, CVE-2018-10881, CVE-2018-12233, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406
SHA-256 | fe4421f7945a10e6dd7e5bd30b13a6cf37b09ea82bfdd6804ae6286a78061b1c
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