CVE-2024-46730 - Integer Underflow (Wrap or Wraparound)

Severity

55%

Complexity

18%

Confidentiality

60%

CVSS 3.1 Base Score 5.5. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Demo Examples

Integer Underflow (Wrap or Wraparound)

CWE-191

The following example subtracts from a 32 bit signed integer.


               
}
return 0;

The example has an integer underflow. The value of i is already at the lowest negative value possible, so after subtracting 1, the new value of i is 2147483647.

Overview

First reported 5 months ago

2024-09-18 07:15:00

Last updated 4 months ago

2024-09-30 12:49:00

Affected Software

Linux Kernel

References

https://git.kernel.org/stable/c/a64284b9e1999ad5580debced4bc6d6adb28aad4

https://git.kernel.org/stable/c/687fe329f18ab0ab0496b20ed2cb003d4879d931

https://git.kernel.org/stable/c/a64284b9e1999ad5580debced4bc6d6adb28aad4

Patch

https://git.kernel.org/stable/c/687fe329f18ab0ab0496b20ed2cb003d4879d931

Patch

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