CVEvulnerability
CVE-2020-27673
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-10-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
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.
Affected configurations
• linux linux kernel (>= 2.6.12 < 4.4.244)
• linux linux kernel (>= 4.5.0 < 4.9.244)
• linux linux kernel (>= 4.10.0 < 4.14.207)
• linux linux kernel (>= 4.15.0 < 4.19.155)
• linux linux kernel (>= 4.20.0 < 5.4.75)
• linux linux kernel (>= 5.5.0 < 5.9.5)
• linux linux kernel 5.10
• debian debian linux 9.0
• opensuse leap 15.1
• opensuse leap 15.2
• xen xen (<= 4.14.0)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/01/19/6 Mailing List, Third Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e99502f76271d6bc4e374fe368c50c67a1fd3070 Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/e99502f76271d6bc4e374fe368c50c67a1fd3070 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202011-06 Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-332.html Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/01/19/6 Mailing List, Third Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e99502f76271d6bc4e374fe368c50c67a1fd3070 Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/e99502f76271d6bc4e374fe368c50c67a1fd3070 Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202011-06 Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-332.html Patch, Third Party Advisory