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CVE-2019-18805

Status Candidate

Overview

An issue was discovered in net/ipv4/sysctl_net_ipv4.c in the Linux kernel before 5.0.11. There is a net/ipv4/tcp_input.c signed integer overflow in tcp_ack_update_rtt() when userspace writes a very large integer to /proc/sys/net/ipv4/tcp_min_rtt_wlen, leading to a denial of service or possibly unspecified other impact, aka CID-19fad20d15a6.

Related Files

Red Hat Security Advisory 2020-1567-01
Posted Apr 28, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1567-01 - 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, information leakage, integer overflow, null pointer, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-16871, CVE-2019-10639, CVE-2019-15090, CVE-2019-15099, CVE-2019-15221, CVE-2019-17053, CVE-2019-17055, CVE-2019-18805, CVE-2019-19057, CVE-2019-19073, CVE-2019-19074, CVE-2019-19534, CVE-2019-19768, CVE-2019-19922, CVE-2019-8980, CVE-2020-1749
SHA-256 | 4d14b94bafdee251e54f1794da92fba753b363e03e9280972aa701a91982329a
Red Hat Security Advisory 2020-1769-01
Posted Apr 28, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1769-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service, information leakage, integer overflow, null pointer, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-16871, CVE-2019-10639, CVE-2019-15090, CVE-2019-15099, CVE-2019-15221, CVE-2019-17053, CVE-2019-17055, CVE-2019-18805, CVE-2019-19057, CVE-2019-19073, CVE-2019-19074, CVE-2019-19534, CVE-2019-19768, CVE-2019-19922, CVE-2019-8980, CVE-2020-1749
SHA-256 | b3605c32b8f528963f869695ca9be893e0dcb7b2fe7d7839472a42d2bf6c36f0
Red Hat Security Advisory 2020-0740-01
Posted Mar 9, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-0740-01 - The kernel-alt packages provide the Linux kernel version 4.x. Issues addressed include buffer overflow, denial of service, information leakage, and null pointer vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-16871, CVE-2019-11884, CVE-2019-15030, CVE-2019-15916, CVE-2019-17666, CVE-2019-18805, CVE-2019-3459, CVE-2019-3460
SHA-256 | d31db65b3895e8334595c65d443915857d2b5811e3d45127f4da9bace5c812d5
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