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CVE-2017-7482

Status Candidate

Overview

In the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly assumes the size of a field. This could lead to the size-remaining variable wrapping and the data pointer going over the end of the buffer. This could possibly lead to memory corruption and possible privilege escalation.

Related Files

Red Hat Security Advisory 2019-0641-01
Posted Mar 26, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0641-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include denial of service and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-7482, CVE-2018-10902, CVE-2018-12929, CVE-2018-12930, CVE-2018-12931, CVE-2018-5803
SHA-256 | 9059cdcb369bd96cb1c0d25c239372e2e539ff777183cd9b073e46245df44d40
Ubuntu Security Notice USN-3392-2
Posted Aug 15, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3392-2 - USN-3392-1 fixed a regression 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. USN-3378-2 fixed vulnerabilities in the Linux Hardware Enablement kernel. Unfortunately, a regression was introduced that prevented conntrack from working correctly in some situations. This update fixes the problem. Various other issues were also addressed.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000365, CVE-2017-10810, CVE-2017-7482, CVE-2017-7533
SHA-256 | 4ceb9f396710a55f870a4c100dea244d686b7a1aa5880daec8a3335ff4a68c80
Ubuntu Security Notice USN-3392-1
Posted Aug 15, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3392-1 - USN-3378-1 fixed vulnerabilities in the Linux kernel. Unfortunately, a regression was introduced that prevented conntrack from working correctly in some situations. This update fixes the problem. Fan Wu and Shixiong Zhao discovered a race condition between inotify events and vfs rename operations in the Linux kernel. An unprivileged local attacker could use this to cause a denial of service or execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000365, CVE-2017-10810, CVE-2017-7482, CVE-2017-7533
SHA-256 | 057793077b8f9ddf5f50bf32c1d7bd103fa235baebb78eca47b42e9dbf8d08a1
Ubuntu Security Notice USN-3381-2
Posted Aug 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3381-2 - USN-3381-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Peter Pi discovered that the colormap handling for frame buffer devices in the Linux kernel contained an integer overflow. A local attacker could use this to disclose sensitive information. Various other issues were also addressed.

tags | advisory, overflow, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-8405, CVE-2017-1000365, CVE-2017-2618, CVE-2017-7482
SHA-256 | 489b6e193ebc3ef47b3f2c9c6ca9f481dfc633a32d41a0677dabd8b8895df88d
Ubuntu Security Notice USN-3381-1
Posted Aug 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3381-1 - Peter Pi discovered that the colormap handling for frame buffer devices in the Linux kernel contained an integer overflow. A local attacker could use this to disclose sensitive information. It was discovered that the Linux kernel did not properly restrict RLIMIT_STACK size. A local attacker could use this in conjunction with another vulnerability to possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2016-8405, CVE-2017-1000365, CVE-2017-2618, CVE-2017-7482
SHA-256 | c59a0e7f3fcafa98c5a9b1e95b8d8c5172f2b12fde13c8be4473a277582b448e
Debian Security Advisory 3927-1
Posted Aug 7, 2017
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3927-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2017-1000365, CVE-2017-10810, CVE-2017-10911, CVE-2017-11176, CVE-2017-7346, CVE-2017-7482, CVE-2017-7533, CVE-2017-7541, CVE-2017-7542, CVE-2017-9605
SHA-256 | 9f9c5bb5b6146a8be5b426602758bdbc89de02e6443b2d13e49692986ac5645e
Ubuntu Security Notice USN-3378-2
Posted Aug 4, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3378-2 - USN-3378-1 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. Fan Wu and Shixiong Zhao discovered a race condition between inotify events and vfs rename operations in the Linux kernel. An unprivileged local attacker could use this to cause a denial of service or execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000365, CVE-2017-10810, CVE-2017-7482, CVE-2017-7533
SHA-256 | abe4766276a137076dece92efb55e96aa808116441c78db8a7b24f99519e0fa9
Ubuntu Security Notice USN-3378-1
Posted Aug 4, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3378-1 - Fan Wu and Shixiong Zhao discovered a race condition between inotify events and vfs rename operations in the Linux kernel. An unprivileged local attacker could use this to cause a denial of service or execute arbitrary code. It was discovered that the Linux kernel did not properly restrict RLIMIT_STACK size. A local attacker could use this in conjunction with another vulnerability to possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000365, CVE-2017-10810, CVE-2017-7482, CVE-2017-7533
SHA-256 | 82fe655fdd3467cbdcaee0e489dd0aeaa8a64e7c143f2b57f5e7a9bc84d84d8c
Ubuntu Security Notice USN-3377-2
Posted Aug 4, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3377-2 - USN-3377-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. Fan Wu and Shixiong Zhao discovered a race condition between inotify events and vfs rename operations in the Linux kernel. An unprivileged local attacker could use this to cause a denial of service or execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000365, CVE-2017-10810, CVE-2017-7482, CVE-2017-7533
SHA-256 | b71610e325c47fd90e3cd3d9299fdf122d5a4541c010aa3e6a4e285a36db1520
Ubuntu Security Notice USN-3377-1
Posted Aug 4, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3377-1 - Fan Wu and Shixiong Zhao discovered a race condition between inotify events and vfs rename operations in the Linux kernel. An unprivileged local attacker could use this to cause a denial of service or execute arbitrary code. It was discovered that the Linux kernel did not properly restrict RLIMIT_STACK size. A local attacker could use this in conjunction with another vulnerability to possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000365, CVE-2017-10810, CVE-2017-7482, CVE-2017-7533
SHA-256 | 4b6c6fe505cf49adca37983f3faff4290a45654c3ad3dc8c4b7f3a78b31f6644
Kernel Live Patch Security Notice LSN-0026-1
Posted Jul 25, 2017
Authored by Benjamin M. Romer

It was discovered that a use-after-free flaw existed in the filesystem encryption subsystem in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). Jann Horn discovered that the extended Berkeley Packet Filter (eBPF) implementation in the Linux kernel could overflow reference counters on systems with more than 32GB of physical ram and with RLIMIT_MEMLOCK set to infinite. A local unprivileged attacker could use to create a use-after- free situation, causing a denial of service (system crash) or possibly gain administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, overflow, kernel, local
systems | linux
advisories | CVE-2016-4558, CVE-2017-1000365, CVE-2017-7374, CVE-2017-7482, CVE-2017-9150
SHA-256 | 5ac8ab1044124a2f103555749966cf05ff7355548d25296503bbe9485eb0814c
Slackware Security Advisory - Slackware 14.0 kernel Updates
Posted Jul 3, 2017
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New kernel packages are available for Slackware 14.0 to fix security issues.

tags | advisory, kernel
systems | linux, slackware
advisories | CVE-2017-1000364, CVE-2017-7482
SHA-256 | c28dd79c747d59ab4d92a0036b9acc8cf1fdee8759a0c01bd3bbd4940709cf92
Slackware Security Advisory - kernel Updates
Posted Jul 3, 2017
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New kernel packages are available for Slackware 14.2 and -current to fix security issues.

tags | advisory, kernel
systems | linux, slackware
advisories | CVE-2017-1000365, CVE-2017-7482
SHA-256 | 499fe5b0cbe140cf779a2aa5d65de7b108c859c01c3d77851d6d6c83b68a11ad
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