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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.
| Reporter | Title | Published | Views | Family All 252 |
|---|---|---|---|---|
 | Amazon Linux 2 : kernel (ALAS-2020-1566) | 9 Dec 202000:00 | – | nessus |
| Amazon Linux 2 : kernel (ALASKERNEL-5.4-2022-018) | 2 May 202200:00 | – | nessus |
| Amazon Linux AMI : kernel (ALAS-2020-1462) (deprecated) | 19 Dec 202000:00 | – | nessus |
| Amazon Linux AMI : kernel (ALAS-2021-1461) | 14 Jan 202100:00 | – | nessus |
| Debian DLA-2483-1 : linux-4.19 security update | 11 Dec 202000:00 | – | nessus |
| Debian DLA-2494-1 : linux security update | 21 Dec 202000:00 | – | nessus |
| EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-2514) | 14 Dec 202000:00 | – | nessus |
| EulerOS 2.0 SP9 : kernel (EulerOS-SA-2021-1009) | 4 Jan 202100:00 | – | nessus |
| EulerOS 2.0 SP9 : kernel (EulerOS-SA-2021-1028) | 4 Jan 202100:00 | – | nessus |
| EulerOS Virtualization 2.9.1 : kernel (EulerOS-SA-2021-1604) | 10 Mar 202100:00 | – | nessus |
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04 Nov 2020 08:00Current
8.4High risk
Vulners AI Score8.4
CVSS 3.14.7
CVSS 24.7
EPSS0.00062