CVEvulnerability
CVE-2020-27152
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-11-06
- 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])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-835
Description
An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9.
Affected configurations
• linux linux kernel (< 5.9.2)
Related
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness
References
- http://www.openwall.com/lists/oss-security/2020/11/03/1 Mailing List, Patch, Third Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=208767 Exploit, Issue Tracking, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2 Mailing List, Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77377064c3a94911339f13ce113b3abf265e06da Mailing List, Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2020/11/03/1 Mailing List, Patch, Third Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=208767 Exploit, Issue Tracking, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2 Mailing List, Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77377064c3a94911339f13ce113b3abf265e06da Mailing List, Patch, Vendor Advisory