Exposure of Sensitive Information to an Unauthorized Actor Affecting torvalds/linux package, versions [4.2,6.1.187)[6.2,6.6.156)[6.7,6.12.108)[6.13,6.18.49)[6.19,7.1.13)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-20824864
- published11 Oct 2026
- disclosed29 Sept 2026
- creditUnknown
Introduced: 29 Sep 2026
NewCVE-2026-98164 (opens in a new tab)How to fix?
Upgrade torvalds/linux to version 6.1.187, 6.6.156, 6.12.108, 6.18.49, 7.1.13 or higher.
Overview
Affected versions of this package are vulnerable to Exposure of Sensitive Information to an Unauthorized Actor in the kvm_gfn_is_write_tracked process. An attacker can cause host memory disclosure or trigger a host crash by manipulating guest page tables and memory slots in a virtual machine with System Management Mode (SMM) enabled. This is only exploitable if the attacker has the ability to create and control a VM with SMM address space and access to /dev/kvm.
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