Vulnerability identifier: #VU62735
Vulnerability risk: Medium
CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-732
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
libvirt
Universal components / Libraries /
Libraries used by multiple products
Vendor: libvirt.org
Description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to an error in the way SELinux MCS category pairs for VMs' dynamic labels in security/security_selinux.c. An attacker with access to the guest OS can access files labeled for another guest.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
libvirt: 5.10.0 - 7.4.0
External links
http://access.redhat.com/errata/RHSA-2021:3631
http://gitlab.com/libvirt/libvirt/-/commit/15073504dbb624d3f6c911e85557019d3620fdb2
http://bugzilla.redhat.com/show_bug.cgi?id=1977726
http://gitlab.com/libvirt/libvirt/-/issues/153
http://security.netapp.com/advisory/ntap-20220331-0010/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.