CVE-2020-27673
Summary
| CVE | CVE-2020-27673 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-10-22 21:15:00 UTC |
| Updated | 2023-08-22 15:16:00 UTC |
| Description | An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. Guest OS users can cause a denial of service (host OS hang) via a high rate of events to dom0, aka CID-e99502f76271. |
Risk And Classification
Problem Types: NVD-CWE-noinfo
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Debian | Debian Linux | 9.0 | All | All | All |
| Operating System | Linux | Linux Kernel | All | All | All | All |
| Operating System | Linux | Linux Kernel | 5.10 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | All | All | All | All |
| Operating System | Opensuse | Leap | 15.1 | All | All | All |
| Operating System | Opensuse | Leap | 15.2 | All | All | All |
| Operating System | Xen | Xen | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Xen: Multiple vulnerabilities (GLSA 202011-06) — Gentoo security | GENTOO | security.gentoo.org | |
| [security-announce] openSUSE-SU-2020:1844-1: important: Security update | SUSE | lists.opensuse.org | |
| [security-announce] openSUSE-SU-2020:1783-1: important: Security update | SUSE | lists.opensuse.org | |
| [SECURITY] [DLA 2494-1] linux security update | MLIST | lists.debian.org | |
| oss-security - Xen Security Advisory 332 v4 (CVE-2020-27673) - Rogue guests can cause DoS of Dom0 via high frequency events | MLIST | www.openwall.com | |
| XSA-332 - Xen Security Advisories | MISC | xenbits.xen.org | Patch, Third Party Advisory |
| kernel/git/torvalds/linux.git - Linux kernel source tree | MISC | git.kernel.org | Patch, Vendor Advisory |
| xen/events: defer eoi in case of excessive number of events · torvalds/linux@e99502f · GitHub | MISC | github.com | Patch, Third Party Advisory |
| [SECURITY] [DLA 2483-1] linux-4.19 security update | MLIST | lists.debian.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 353100 Amazon Linux Security Advisory for kernel : ALAC2012-2021-024
- 353101 Amazon Linux Security Advisory for kmod-mlx5 : ALAC2012-2021-025
- 353102 Amazon Linux Security Advisory for kmod-sfc : ALAC2012-2021-026
- 353133 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-018
- 378881 Citrix XenServer Security Updates (CTX284874)
- 6140263 AWS Bottlerocket Security Update for kernel (GHSA-gw9p-62vv-8pr9)
- 750004 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1573-1)
- 750006 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1596-1)
- 750014 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1623-1)
- 750015 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1624-1)
- 750650 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1975-1)
- 750652 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1977-1)
- 750762 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1977-1)
- 750766 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1975-1)