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Vulnerability Intelligence

CVE-2021-47359 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-47359

CVE-2021-47359

MEDIUM5.5

cifs: Fix soft lockup during fsstress

Published May 21, 2024

Modified 2 months ago

Details

In the Linux kernel, the following vulnerability has been resolved:

cifs: Fix soft lockup during fsstress

Below traces are observed during fsstress and system got hung. [ 130.698396] watchdog: BUG: soft lockup - CPU#6 stuck for 26s!

References

https://git.kernel.org/stable/c/71826b068884050d5fdd37fda857ba1539c513d3

https://git.kernel.org/stable/c/9f6c7aff21f81ae8856da1f63847d1362d523409

https://www.cve.org/CVERecord?id=CVE-2021-47359

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

5.5/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Ecosystems

Timeline

PublishedMay 21, 2024

ModifiedDec 18, 2025