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CVE-2021-47307

cifs: prevent NULL deref in cifs_compose_mount_options() PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent NULL deref in cifs_compose_mount_options() The optional @ref parameter might contain an NULL node_name, so prevent dereferencing it in cifs_compose_mount_options(). Addresses-Coverity: 1476408 ("Explicit null dereferenced")

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 2c55608f28444c3f33b10312881384c470ceed56 before f7d1fa65e74263d11f90ddd33b4d4cd905a93759; affected 2c55608f28444c3f33b10312881384c470ceed56 before e58c162789becede894d3e94c0ce6695a2ef5796; affected 2c55608f28444c3f33b10312881384c470ceed56 before ae3d181f4e912f51af7776ea165f199b16fc165d; affected 2c55608f28444c3f33b10312881384c470ceed56 before 03313d1c3a2f086bb60920607ab79ac8f8578306
Linux / Linuxaffected 2.6.28; unaffected 0 before 2.6.28; unaffected 5.4.135 through 5.4.*; unaffected 5.10.53 through 5.10.*; unaffected 5.13.5 through 5.13.*; unaffected 5.14 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.