CVE-2018-15572 (GCVE-0-2018-15572)

Vulnerability from cvelistv5 – Published: 2018-08-20 02:00 – Updated: 2024-08-05 10:01
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_MISC
https://usn.ubuntu.com/3776-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3776-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3777-1/ vendor-advisoryx_refsource_UBUNTU
https://github.com/torvalds/linux/commit/fdf82a78… x_refsource_MISC
https://usn.ubuntu.com/3775-1/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://www.debian.org/security/2018/dsa-4308 vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/3775-2/ vendor-advisoryx_refsource_UBUNTU
https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan… x_refsource_MISC
https://usn.ubuntu.com/3777-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3777-3/ vendor-advisoryx_refsource_UBUNTU
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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