Integer Underflow Affecting grub2 package, versions [0,]


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-UNMANAGED-GRUB2-2863519
  • published9 Jun 2022
  • disclosed7 Jun 2022
  • creditUnknown

Introduced: 7 Jun 2022

CVE-2022-28733  (opens in a new tab)
CWE-191  (opens in a new tab)

How to fix?

There is no fixed version for grub2.

Overview

Affected versions of this package are vulnerable to Integer Underflow in grub_net_recv_ip4_packets() function on rsm->total_len value. The total_len value may ending up wrapping around to a small integer number which will be used in memory allocation.

CVSS Scores

version 3.1