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CVE-2019-8956

Status Candidate

Overview

In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.

Related Files

Ubuntu Security Notice USN-3930-2
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3930-2 - USN-3930-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.10. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 18.10 for Ubuntu 18.04 LTS. Mathias Payer and Hui Peng discovered a use-after-free vulnerability in the Advanced Linux Sound Architecture subsystem. A physically proximate 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-2018-19824, CVE-2019-6974, CVE-2019-7221, CVE-2019-7222, CVE-2019-7308, CVE-2019-8912, CVE-2019-8956, CVE-2019-8980, CVE-2019-9003, CVE-2019-9162, CVE-2019-9213
SHA-256 | 4102f0cd3e3625cbe62726a696226a0b078386a4844fe7aa1d3769f8d3be7544
Ubuntu Security Notice USN-3930-1
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3930-1 - Mathias Payer and Hui Peng discovered a use-after-free vulnerability in the Advanced Linux Sound Architecture subsystem. A physically proximate attacker could use this to cause a denial of service. Shlomi Oberman, Yuli Shapiro, and Ran Menscher discovered an information leak in the Bluetooth implementation of the Linux kernel. An attacker within Bluetooth range could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2018-19824, CVE-2019-6974, CVE-2019-7221, CVE-2019-7222, CVE-2019-7308, CVE-2019-8912, CVE-2019-8956, CVE-2019-8980, CVE-2019-9003, CVE-2019-9162, CVE-2019-9213
SHA-256 | 368e9dbf141a9e760054a79a440120646f0b3026e48ac5716619c4793e2820ff
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