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CVE-2018-21008

Status Candidate

Overview

An issue was discovered in the Linux kernel before 4.16.7. A use-after-free can be caused by the function rsi_mac80211_detach in the file drivers/net/wireless/rsi/rsi_91x_mac80211.c.

Related Files

Kernel Live Patch Security Notice LSN-0058-1
Posted Oct 23, 2019
Authored by Benjamin M. Romer

It was discovered that a race condition existed in the GFS2 file system in the Linux kernel. A local attacker could possibly use this to cause a denial of service (system crash). It was discovered that a use-after-free error existed in the block layer subsystem of the Linux kernel when certain failure conditions occurred. A local attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux
advisories | CVE-2016-10905, CVE-2018-20856, CVE-2018-20961, CVE-2018-20976, CVE-2018-21008, CVE-2019-0136, CVE-2019-10126, CVE-2019-10207, CVE-2019-11477, CVE-2019-11478, CVE-2019-11833, CVE-2019-12614, CVE-2019-14283, CVE-2019-14284, CVE-2019-14814, CVE-2019-14815, CVE-2019-14816, CVE-2019-14821, CVE-2019-14835, CVE-2019-2054, CVE-2019-2181, CVE-2019-3846
MD5 | aa1b2d5e0e41264715ab20ee76ffa47d
Ubuntu Security Notice USN-4162-2
Posted Oct 23, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4162-2 - USN-4162-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux kernel for Microsoft Azure Cloud systems for Ubuntu 14.04 ESM. It was discovered that the RSI 91x Wi-Fi driver in the Linux kernel did not did not handle detach operations correctly, leading to a use-after-free vulnerability. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-21008, CVE-2019-14815, CVE-2019-14816, CVE-2019-14821, CVE-2019-15117, CVE-2019-15118, CVE-2019-15505, CVE-2019-15902, CVE-2019-15918
MD5 | 3e3f2ea22058c41745d3f9b8662322db
Ubuntu Security Notice USN-4163-2
Posted Oct 23, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4163-2 - USN-4163-1 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 ESM. It was discovered that a race condition existed in the ARC EMAC ethernet driver for the Linux kernel, resulting in a use-after-free vulnerability. An attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-10906, CVE-2017-18232, CVE-2018-21008, CVE-2019-14816, CVE-2019-14821, CVE-2019-15117, CVE-2019-15118, CVE-2019-15505, CVE-2019-15902
MD5 | c0aa284e15530090be4397bd622f2915
Ubuntu Security Notice USN-4163-1
Posted Oct 22, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4163-1 - It was discovered that a race condition existed in the ARC EMAC ethernet driver for the Linux kernel, resulting in a use-after-free vulnerability. An attacker could use this to cause a denial of service. It was discovered that a race condition existed in the Serial Attached SCSI implementation in the Linux kernel when handling certain error conditions. 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
systems | linux, ubuntu
advisories | CVE-2016-10906, CVE-2017-18232, CVE-2018-21008, CVE-2019-14816, CVE-2019-14821, CVE-2019-15117, CVE-2019-15118, CVE-2019-15505, CVE-2019-15902
MD5 | 3f63ba945772d16fae61eba485d3eab9
Ubuntu Security Notice USN-4162-1
Posted Oct 22, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4162-1 - It was discovered that the RSI 91x Wi-Fi driver in the Linux kernel did not did not handle detach operations correctly, leading to a use-after-free vulnerability. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. Wen Huang discovered that the Marvell Wi-Fi device driver in the Linux kernel did not properly perform bounds checking, leading to a heap overflow. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2018-21008, CVE-2019-14815, CVE-2019-14816, CVE-2019-14821, CVE-2019-15117, CVE-2019-15118, CVE-2019-15505, CVE-2019-15902, CVE-2019-15918
MD5 | b951fc58b34ed48fd82f3107a2bf05c2
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