CVE-2020-15436

moderate-risk
Published 2020-11-23

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.

Do I need to act?

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0.15% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.7/10 Medium
LOCAL / LOW complexity

Affected Products (19)

Aff 8700 Firmware
Aff 8300 Firmware
Fabric-Attached Storage A400 Firmware
Fas 500F Firmware

Affected Vendors

Linux Broadcom Netapp

References (4)

Exploit https://lkml.org/lkml/2020/6/7/379
Third Party Advisory https://security.netapp.com/advisory/ntap-20201218-0002/
Exploit https://lkml.org/lkml/2020/6/7/379
Third Party Advisory https://security.netapp.com/advisory/ntap-20201218-0002/
41
/ 100
moderate-risk
Severity 21/34 · High
Exploitability 1/34 · Minimal
Exposure 19/34 · Moderate