2018-07-07
ALT-BU-2018-3342-1
Branch p8 update bulletin.
Package kernel-image-std-pae updated to version 4.4.139-alt0.M80P.1 for branch p8 in task 209464.
Closed vulnerabilities
Published: 2018-09-11
Modified: 2024-11-21
Modified: 2024-11-21
CVE-2018-10853
A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.
Severity: HIGH (7.8)
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References:
- openSUSE-SU-2019:1407
- openSUSE-SU-2019:1407
- RHSA-2019:2029
- RHSA-2019:2029
- RHSA-2019:2043
- RHSA-2019:2043
- RHSA-2020:0036
- RHSA-2020:0036
- RHSA-2020:0103
- RHSA-2020:0103
- RHSA-2020:0179
- RHSA-2020:0179
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10853
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10853
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c9fa24ca7c9c47605672916491f79e8ccacb9e6
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c9fa24ca7c9c47605672916491f79e8ccacb9e6
- [debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update
- [debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update
- [debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update
- [debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update
- [debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package
- [debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package
- USN-3777-1
- USN-3777-1
- USN-3777-2
- USN-3777-2
- https://www.openwall.com/lists/oss-security/2018/09/02/1
- https://www.openwall.com/lists/oss-security/2018/09/02/1