CVE-2018-10853
- State
- Published
- Severity
- 7.0 High
- Published
- Sep 11, 2018
- Updated
- Aug 5, 2024
- Reserved
- May 9, 2018
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 7.0 High | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | redhat |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
kernelLinux |
|
References
- [debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security updatemailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10853
- USN-3777-1vendor-advisory
- [debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security updatemailing-list
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74
- [debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new packagemailing-list
- USN-3777-2vendor-advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c9fa24ca7c9c47605672916491f79e8ccacb9e6
- https://www.openwall.com/lists/oss-security/2018/09/02/1
- openSUSE-SU-2019:1407vendor-advisory
- RHSA-2019:2043vendor-advisory
- RHSA-2019:2029vendor-advisory
- RHSA-2020:0036vendor-advisory
- RHSA-2020:0103vendor-advisory
- RHSA-2020:0179vendor-advisory
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