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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…
High7.0EPSS 0.47%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | High7.0 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.47% · top 59% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.
Weakness
Affected products
References (15)
- [debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10853 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3777-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-3777-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c9fa24ca7c9c47605672916491f79e8ccacb9e6 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.openwall.com/lists/oss-security/2018/09/02/1 (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2019:1407 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2019:2043 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:2029 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2020:0036 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2020:0103 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2020:0179 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-10853)Record last updated .