CVE-2018-15594

Sažetak

arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests.

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5800dc5c19f34e6e03b5adab1282535cb102fafd
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
http://www.securityfocus.com/bid/105120
http://www.securitytracker.com/id/1041601
https://access.redhat.com/errata/RHSA-2019:2029
https://access.redhat.com/errata/RHSA-2019:2043
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1
https://github.com/torvalds/linux/commit/5800dc5c19f34e6e03b5adab1282535cb102fafd
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
https://twitter.com/grsecurity/status/1029324426142199808
https://usn.ubuntu.com/3775-1/
https://usn.ubuntu.com/3775-2/
https://usn.ubuntu.com/3776-1/
https://usn.ubuntu.com/3776-2/
https://usn.ubuntu.com/3777-1/
https://usn.ubuntu.com/3777-2/
https://usn.ubuntu.com/3777-3/
https://www.debian.org/security/2018/dsa-4308

CVSS

Base:	2.1
Impact:	2.9
Exploitability:	3.9

Pristup

Vektor	Složenost	Autentikacija
LOCAL	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
PARTIAL	NONE	NONE

CVSS vektor

AV:L/AC:L/Au:N/C:P/I:N/A:N

Zadnje važnije ažuriranje

03-10-2019 - 00:03

Objavljeno

20-08-2018 - 08:29