Out-of-bounds Write Affecting torvalds/linux package, versions [,5.11.4)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.29% (53rd percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005673
  • published26 Jan 2022
  • disclosed7 Mar 2021
  • creditUnknown

Introduced: 7 Mar 2021

CVE-2021-27365  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.11.4 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write. An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.

References

CVSS Base Scores

version 3.1