Improper Check for Unusual or Exceptional Conditions Affecting torvalds/linux package, versions [6.12.11,6.12.114)[6.13,6.18.24)[6.19,6.19.14)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.11% (2nd percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-20788637
  • published10 Oct 2026
  • disclosed8 May 2026
  • creditUnknown

Introduced: 8 May 2026

CVE-2026-43346  (opens in a new tab)
CWE-754  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 6.12.114, 6.18.24, 6.19.14 or higher.

Overview

Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions in the ice_ptp_setup_pf process. An attacker can cause a denial of service by triggering a scenario where the controlling PF is unavailable in a VFIO passthrough setup, leading to unexpected kernel warnings and potential disruption of the PTP functionality. This is only exploitable if a PF is passed through without owning the source timer in a VFIO passthrough configuration.

Note: The Linux kernel project assigns a CVE to every bug fix it ships, whether or not the bug has been shown to be exploitable. This advisory was generated from that process and has not been individually assessed for exploitability. See the kernel's CVE process documentation: https://github.com/torvalds/linux/blob/master/Documentation/process/cve.rst

CVSS Base Scores

version 4.0
version 3.1