CVE-2021-47167

2024-03-2516:55:45

redhat.com

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cve-2021-47167

linux kernel

nfs

vulnerability

oopsable condition

nfs pageio error cleanup

mirror array

robust test

pg_count

7.3 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%

JSON

A vulnerability was found in the NFS module of the Linux kernel, where a potential system crash (Oops) occurred due to improper handling of the mirror array in __nfs_pageio_add_request(). The nfs_pageio_error_cleanup() function did not correctly reset the mirror array, leading to inconsistencies when the structure was empty.

Mitigation

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.