CVE-2020-15436

Medium

Description

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.

SeverityMedium
CVSS6.7
Exploit probability—
ProductLinux Kernel
PublishedNov 23, 2020
First seenNov 23, 2020

How to fix

Update
  • linux linux_kernel4.4.229, 4.9.229, 4.14.186, 4.19.130, 5.4.49, 5.7.6 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel2.6.38 ≤ v < 4.4.229, 4.5 ≤ v < 4.9.229, 4.10 ≤ v < 4.14.186, 4.15 ≤ v < 4.19.130, 4.20 ≤ v < 5.4.49, 5.5 ≤ v < 5.7.64.4.229, 4.9.229, 4.14.186, 4.19.130, 5.4.49, 5.7.6
broadcom brocade_fabric_operating_system_firmwareNo range specified—
netapp cloud_backupNo range specified—
netapp solidfire_\&_hci_management_nodeNo range specified—
netapp solidfire_baseboard_management_controller_firmwareNo range specified—
netapp h410c_firmwareNo range specified—
netapp h610c_firmwareNo range specified—
netapp h610s_firmwareNo range specified—
netapp h615c_firmwareNo range specified—
netapp a700s_firmwareNo range specified—
netapp aff_8700_firmwareNo range specified—
netapp fas_8700_firmwareNo range specified—
netapp aff_8300_firmwareNo range specified—
netapp fas_8300_firmwareNo range specified—
netapp aff_a400_firmwareNo range specified—
netapp fabric-attached_storage_a400_firmwareNo range specified—
netapp a250_firmwareNo range specified—
netapp aff_500f_firmwareNo range specified—
netapp fas_500f_firmwareNo range specified—

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