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CVE-2018-11508

Status Candidate

Overview

The compat_get_timex function in kernel/compat.c in the Linux kernel before 4.16.9 allows local users to obtain sensitive information from kernel memory via adjtimex.

Related Files

Linux Kernel 4.13 compat_get_timex() Kernel Pointer Leak
Posted Jan 20, 2019
Authored by Wally0813

Linux kernel version 4.13 suffers from a compat_get_timex() kernel pointer leak vulnerability.

tags | exploit, kernel
systems | linux
advisories | CVE-2018-11508
SHA-256 | 249b9d5963af9eed4e83c4bf83f077f0231c2bb50f92fe0c295e6a720b15648a
Ubuntu Security Notice USN-3718-2
Posted Jul 23, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3718-2 - USN-3695-2 fixed vulnerabilities in the Linux Hardware Enablement Kernel kernel for Ubuntu 16.04 LTS. Unfortunately, the fix for CVE-2018-1108 introduced a regression where insufficient early entropy prevented services from starting, leading in some situations to a failure to boot, This update addresses the issue. Various other issues were also addressed.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-1094, CVE-2018-10940, CVE-2018-1095, CVE-2018-1108, CVE-2018-11508, CVE-2018-7755
SHA-256 | 7352a11c02a1bd3ca1dde166137417760b084a8e80b91bc68a912cda66fc39c8
Ubuntu Security Notice USN-3718-1
Posted Jul 23, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3718-1 - USN-3695-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. Unfortunately, the fix for CVE-2018-1108 introduced a regression where insufficient early entropy prevented services from starting, leading in some situations to a failure to boot, This update addresses the issue. Various other issues were also addressed.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-1094, CVE-2018-10940, CVE-2018-1095, CVE-2018-1108, CVE-2018-11508, CVE-2018-7755
SHA-256 | 8b5aff682a7fe0dc91801054a3fa777ee05cd873429b047eb282b97fc691e598
Ubuntu Security Notice USN-3697-2
Posted Jul 3, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3697-2 - It was discovered that a null pointer dereference vulnerability existed in the DCCP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service. Jann Horn discovered that the 32 bit adjtimex syscall implementation for 64 bit Linux kernels did not properly initialize memory returned to user space in some situations. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2018-1130, CVE-2018-11508, CVE-2018-5750, CVE-2018-5803, CVE-2018-6927, CVE-2018-7755, CVE-2018-7757
SHA-256 | c9a9b6f9415eee0a015beb8e44d16a31b4242d4134fa1daff8f7c2ac1adc0f9d
Ubuntu Security Notice USN-3697-1
Posted Jul 3, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3697-1 - It was discovered that a null pointer dereference vulnerability existed in the DCCP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service. Jann Horn discovered that the 32 bit adjtimex syscall implementation for 64 bit Linux kernels did not properly initialize memory returned to user space in some situations. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2018-1130, CVE-2018-11508, CVE-2018-5750, CVE-2018-5803, CVE-2018-6927, CVE-2018-7755, CVE-2018-7757
SHA-256 | 55c8f38eb3a5a5b9ca0719a8cf82aed6fd3c1159902999681470b031b1f5489b
Ubuntu Security Notice USN-3695-1
Posted Jul 2, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3695-1 - Wen Xu discovered that the ext4 file system implementation in the Linux kernel did not properly initialize the crc32c checksum driver. A local attacker could use this to cause a denial of service. It was discovered that the cdrom driver in the Linux kernel contained an incorrect bounds check. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2018-1094, CVE-2018-10940, CVE-2018-1095, CVE-2018-11508, CVE-2018-7755
SHA-256 | 8027dac45fca8f547843ef43e09760d5bbb95bb1ee7469c2947cce1a51b7622f
Ubuntu Security Notice USN-3695-2
Posted Jul 2, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3695-2 - USN-3695-1 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. Wen Xu discovered that the ext4 file system implementation in the Linux kernel did not properly initialize the crc32c checksum driver. 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-2018-1094, CVE-2018-10940, CVE-2018-1095, CVE-2018-11508, CVE-2018-7755
SHA-256 | 702548617b260a8caa37ca81a615acaf101fb1759be6eb65f217617fd0740351
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