Information Exposure Affecting torvalds/linux package, versions [5.13,5.15.222)[5.16,6.1.189)[6.2,6.6.158)[6.7,6.12.111)[6.13,6.18.53)[6.19,7.2.7)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.12% (2nd percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-20824371
  • published11 Oct 2026
  • disclosed25 Sept 2026
  • creditUnknown

Introduced: 25 Sep 2026

NewCVE-2026-97991  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2.7 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure through improper validation of sector boundaries in the vdpasim_blk_check_range process. An attacker can read or write arbitrary host kernel memory by submitting crafted requests with out-of-range sector values via a controlled virtqueue driver, such as from a guest VM or a user with access to the vhost-vdpa character device. This is only exploitable if a vdpa_sim_blk device has been created and assigned to the attacker.

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