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CVE-2026-107565— Luksmeta: incomplete gap-boundary and overlap checks in luks1 metadata allocator allow data corruption

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

发现了一个在 luksmeta 中的漏洞。具有管理员权限的本地攻击者可以在将元数据保存到 Linux 统一密钥设置（LUKS）设备时导致数据损坏。由于边界计算不正确以及重叠检测存在缺陷，新的元数据条目可能会被写入到可用空闲空间之外，或覆盖现有记录。该问题可能导致已存储的加密有效载荷数据或现有元数据损坏，进而使相关数据无法访问。

CVSS 5.1 · Medium

Possible ATT&CK Techniques 1 AI

T1489 · Service Stop
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I. Basic Information for CVE-2026-107565

Vulnerability Information
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Vulnerability Title
Luksmeta: incomplete gap-boundary and overlap checks in luks1 metadata allocator allow data corruption
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in luksmeta. A local attacker with administrative privileges can cause data corruption when saving metadata to a Linux Unified Key Setup (LUKS) device. Due to incorrect boundary calculations and flawed overlap detection, new metadata entries can be written beyond available free space or over existing records. This issue can corrupt stored encrypted payload data or existing metadata, potentially rendering the affected data inaccessible.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1284
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9
Red Hat Red Hat OpenShift Container Platform 4 - cpe:/a:redhat:openshift:4
Red Hat Red Hat OpenShift Container Platform 4 - cpe:/a:redhat:openshift:4

II. Public POCs for CVE-2026-107565

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III. Intelligence Information for CVE-2026-107565

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Other References for CVE-2026-107565 (2)

Same Patch Batch · Red Hat · 2026-10-08 · 7 CVEs total

CVE-2026-93017 7.7 HIGH Insights-operator: gather serviceaccount has cluster-wide secret read plus nodes/proxy and
CVE-2026-107466 6.1 MEDIUM Flatpak-builder: local file exfiltration via `file
CVE-2026-107445 5.4 MEDIUM Rubygem-katello: katello flatpak remote repositories api cross-organization authorization
CVE-2026-107604 4.9 MEDIUM Keycloak-services: keycloak-services: view-clients role allows retrieval of active client
CVE-2026-107623 4.3 MEDIUM Keycloak-services: keycloak-services: oidc dcr read-modify-write silently disables offline
CVE-2026-107444 4.3 MEDIUM Rubygem-katello: katello docker tags repositories api cross-organization authorization byp

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-1284

V. Comments for CVE-2026-107565

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