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CVE-2021-47167

NFS: Fix an Oopsable condition in __nfs_pageio_add_request() PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix an Oopsable condition in __nfs_pageio_add_request() Ensure that nfs_pageio_error_cleanup() resets the mirror array contents, so that the structure reflects the fact that it is now empty. Also change the test in nfs_pageio_do_add_request() to be more robust by checking whether or not the list is empty rather than relying on the value of pg_count.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected a7d42ddb3099727f58366fa006f850a219cce6c8 before 1fc5f4eb9d31268ac3ce152d74ad5501ad24ca3e; affected a7d42ddb3099727f58366fa006f850a219cce6c8 before ee21cd3aa8548e0cbc8c67a80b62113aedd2d101; affected a7d42ddb3099727f58366fa006f850a219cce6c8 before 15ac6f14787649e8ebd75c142e2c5d2a243c8490; affected a7d42ddb3099727f58366fa006f850a219cce6c8 before 56517ab958b7c11030e626250c00b9b1a24b41eb
Linux / Linuxaffected 4.0; unaffected 0 before 4.0; unaffected 5.4.124 through 5.4.*; unaffected 5.10.42 through 5.10.*; unaffected 5.12.9 through 5.12.*; unaffected 5.13 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CVE

No English description supplied.

CISA-ADP

No English description supplied.

No references supplied.