Auth bypass in Linux Kernel
CVE-2020-25284
The rbd block device driver in drivers/block/rbd.c in the Linux kernel through 5.8.9 used incomplete permission checking for access to rbd devices, which could be leveraged by local attackers to map or unmap rbd block devices, aka CID-f44d04e696fe.
Vulnerability class: Broken Access Control
EPSS: 0.003 (23.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Linux Linux_kernel
- Debian Debian_linux — versions 9.0
- Opensuse Leap — versions 15.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-25284?
- CVE-2020-25284 is a medium-severity vulnerability in Linux Kernel, classified under Incorrect Authorization. CVSS score: 4.1/10. Published 2020-09-13.
- How severe is CVE-2020-25284?
- Medium severity. CVSS v3 base score is 4.1 out of 10.