vulnerability

Huawei EulerOS: CVE-2019-15239: kernel security update

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Aug 20, 2019
Added
Nov 19, 2019
Modified
Nov 27, 2024

Description

In the Linux kernel, a certain net/ipv4/tcp_output.c change, which was properly incorporated into 4.16.12, was incorrectly backported to the earlier longterm kernels, introducing a new vulnerability that was potentially more severe than the issue that was intended to be fixed by backporting. Specifically, by adding to a write queue between disconnection and re-connection, a local attacker can trigger multiple use-after-free conditions. This can result in a kernel crash, or potentially in privilege escalation. NOTE: this affects (for example) Linux distributions that use 4.9.x longterm kernels before 4.9.190 or 4.14.x longterm kernels before 4.14.139.

Solution(s)

huawei-euleros-2_0_sp3-upgrade-kernelhuawei-euleros-2_0_sp3-upgrade-kernel-debuginfohuawei-euleros-2_0_sp3-upgrade-kernel-debuginfo-common-x86_64huawei-euleros-2_0_sp3-upgrade-kernel-develhuawei-euleros-2_0_sp3-upgrade-kernel-headershuawei-euleros-2_0_sp3-upgrade-kernel-toolshuawei-euleros-2_0_sp3-upgrade-kernel-tools-libshuawei-euleros-2_0_sp3-upgrade-perfhuawei-euleros-2_0_sp3-upgrade-python-perf
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