Use After Free in Broadcom Brocade_fabric_operating_system_firmware
CVE-2020-15436
Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.
Vulnerability class: Use-After-Free
EPSS: 0.009 (55.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- securities@openeuler.org (Exploit, Patch, x_refsource_MISC, Vendor Advisory)
- securities@openeuler.org (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15436?
- CVE-2020-15436 is a medium-severity vulnerability in Broadcom Brocade_fabric_operating_system_firmware, classified under Use After Free. CVSS score: 6.7/10. Published 2020-11-23.
- How severe is CVE-2020-15436?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2020-15436 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.