CVE-2018-15572

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CVSS 3.0

6.5 medium

EPSS

<1%p42

Published

Aug 20, 2018 (Aug 20, 2018)

Modified

Jun 17, 2026

Description

The spectre_v2_select_mitigation function in arch/x86/kernel/cpu/bugs.c in the Linux kernel before 4.18.1 does not always fill RSB upon a context switch, which makes it easier for attackers to conduct userspace-userspace spectreRSB attacks.

Vendors: debian canonical linux
Products: debian linux, ubuntu linux, linux kernel
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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