Improper Input Validation Affecting torvalds/linux package, versions [,v6.6-rc1)


Severity

Recommended
0.0
high
0
10

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

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-5969651
  • published16 Oct 2023
  • disclosed16 Oct 2023
  • creditYikebaer Aizezi

Introduced: 16 Oct 2023

CVE-2023-40790  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version v6.6-rc1 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation through the kvm_arch_vcpu_ioctl_run function in arch/x86/kvm/x86.c. An attacker can trigger a WARN_ON_ONCE if userspace stuffs a nonsensical vCPU state.

CVSS Base Scores

version 3.1