CVE-2025-71155

HIGH EPSS 1.6%
Published Jan 23, 20265mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Jan 23, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix gmap_helper_zap_one_page() again A few checks were missing in gmap_helper_zap_one_page(), which can lead to memory corruption in the guest under specific circumstances. Add the missing checks.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
1.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 2

VendorProductVersionRange
linuxlinux_kernel*≥6.17.4  –  <6.18
linuxlinux_kernel*≥6.18  –  <6.18.4

References 2

  • git.kernel.org https://git.kernel.org/stable/c/2af2abbcbf8573100288e8f8aea2dab8a2a0ceb7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2f393c228cc519ddf19b8c6c05bf15723241aa96
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/2af2abbcbf8573100288e8f8aea2dab8a2a0ceb7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2f393c228cc519ddf19b8c6c05bf15723241aa96
    Patch