Privilege Escalation Affecting torvalds/linux package, versions [,5.11.7)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.04% (9th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005014
  • published26 Jan 2022
  • disclosed15 Mar 2021
  • creditUnknown

Introduced: 15 Mar 2021

CVE-2021-28375  (opens in a new tab)
CWE-269  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.11.7 or higher.

Overview

Affected versions of this package are vulnerable to Privilege Escalation. An issue was discovered in the Linux kernel through 5.11.6. fastrpc_internal_invoke in drivers/misc/fastrpc.c does not prevent user applications from sending kernel RPC messages, aka CID-20c40794eb85. This is a related issue to CVE-2019-2308.

References

CVSS Base Scores

version 3.1