Race Condition Affecting torvalds/linux package, versions [,5.10.13)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3006095
  • published26 Jan 2022
  • disclosed1 Feb 2021
  • creditUnknown

Introduced: 1 Feb 2021

CVE-2021-3348  (opens in a new tab)
CWE-362  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.10.13 or higher.

Overview

Affected versions of this package are vulnerable to Race Condition nbd_add_socket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndb_queue_rq use-after-free that could be triggered by local attackers (with access to the nbd device) via an I/O request at a certain point during device setup, aka CID-b98e762e3d71.

References

CVSS Base Scores

version 3.1