An issue was discovered in the Linux kernel 4.18 through 5.6.11 when unprivileged user namespaces are allowed. A user can create their own PID namespace and mount a FUSE filesystem. Upon interaction with this FUSE filesystem if the userspace component is terminated via a kill of the PID namespace's pid 1 it will result in a hung task and resources being permanently locked up until system reboot. This can result in resource exhaustion.
| Reporter | Title | Published | Views | Family All 135 |
|---|---|---|---|---|
 | Scanvus now supports Vulners and Vulns.io VM Linux vulnerability detection APIs | 30 Dec 202218:03 | – | avleonov |
 | Linux FUSE DoS | 29 May 202000:00 | – | bdu_fstec |
 | CVE-2019-20794 affecting package kernel 5.4.91-6 | 3 Mar 202103:44 | – | cbl_mariner |
 | CVE-2019-20794 | 19 Mar 202600:00 | – | circl |
 | Unspecified vulnerability in Linux kernel (CNVD-2020-28262) | 11 May 202000:00 | – | cnvd |
 | CVE-2019-20794 | 9 May 202017:35 | – | cve |
 | CVE-2019-20794 | 9 May 202017:35 | – | cvelist |
 | CVE-2019-20794 | 9 May 202017:35 | – | debiancve |
 | EUVD-2019-11331 | 7 Oct 202500:30 | – | euvd |
 | CVE-2019-20794 | 9 May 202017:35 | – | mend |
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25 Sep 2020 07:00Current
7High risk
Vulners AI Score7
CVSS 3.14.7
CVSS 24.7
EPSS0.00512
SSVC