PT-2024-11226 · Linux+2 · Linux Kernel+2

Anna Schumaker

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Published

2021-05-20

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Updated

2024-08-19

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CVE-2021-47179

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description The issue is related to a NULL pointer dereference in the pnfs mark matching lsegs return() function. This occurs when the pnfs return layout() function calls pnfs mark matching lsegs return() with a NULL struct pnfs layout range argument, which is then dereferenced, causing a crash. The crash can be consistently reproduced when running connectathon basic tests on NFS v4.1/v4.2 against Ontap.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

NULL Pointer Dereference

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Weakness Enumeration

Related Identifiers

BDU:2025-07367
CVE-2021-47179
OPENSUSE-SU-2024_1489-1
SUSE-SU-2024:1454-1
SUSE-SU-2024:1465-1
SUSE-SU-2024:1489-1
SUSE-SU-2024:1643-1
SUSE-SU-2024:1646-1
SUSE-SU-2024:1870-1

Affected Products

Astra Linux
Linux Kernel
Suse