Description
An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. drivers/xen/events/events_base.c allows event-channel removal during the event-handling loop (a race condition). This can cause a use-after-free or NULL pointer dereference, as demonstrated by a dom0 crash via events for an in-reconfiguration paravirtualized device, aka CID-073d0552ead5.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2483-1 | linux-4.19 security update |
Debian DLA |
DLA-2494-1 | linux security update |
EUVD |
EUVD-2020-20179 | An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. drivers/xen/events/events_base.c allows event-channel removal during the event-handling loop (a race condition). This can cause a use-after-free or NULL pointer dereference, as demonstrated by a dom0 crash via events for an in-reconfiguration paravirtualized device, aka CID-073d0552ead5. |
Ubuntu USN |
USN-4679-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-4680-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-4681-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-4751-1 | Linux kernel vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T16:18:45.560Z
Reserved: 2020-10-22T00:00:00.000Z
Link: CVE-2020-27675
No data.
Status : Modified
Published: 2020-10-22T21:15:14.153
Modified: 2024-11-21T05:21:38.707
Link: CVE-2020-27675
OpenCVE Enrichment
No data.
Debian DLA
EUVD
Ubuntu USN