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CVE-2026-109968— Clevis: clevis: pkcs#11 luks passphrase logged in plaintext to world-readable file

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.

A flaw was found in the clevis PKCS#11 pin. The clevis-pkcs11-afunix-socket-unlock daemon logs LUKS disk encryption passphrases in plaintext to a log file. The log file is created without restrictive permissions, making it world-readable under the default proc

CVSS 5.5 · Medium

Affected Version Matrix 6

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 10 any affected
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 8 any affected
Red Hat Red Hat Enterprise Linux 9 any affected
Red Hat Red Hat OpenShift Container Platform 4 any unaffected
any unaffected
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I. Basic Information for CVE-2026-109968

Vulnerability Information

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Vulnerability Title
Clevis: clevis: pkcs#11 luks passphrase logged in plaintext to world-readable file
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the clevis PKCS#11 pin. The clevis-pkcs11-afunix-socket-unlock daemon logs LUKS disk encryption passphrases in plaintext to a log file. The log file is created without restrictive permissions, making it world-readable under the default process umask. A local attacker can read the log file to obtain the LUKS passphrase.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
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-2026-109968

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III. Intelligence Information for CVE-2026-109968

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Vendor Advisories for CVE-2026-109968 (2)

Same Patch Batch · Red Hat · 2026-10-14 · 26 CVEs total

CVE-2026-104795 8.8 HIGH Insights-runtime-extractor: insights-runtime-extractor: container escape via privileged bi
CVE-2026-86848 8.8 HIGH Dpdk: dpdk: time-of-check/time-of-use vulnerability allowing guest-triggered out-of-bounds
CVE-2026-86567 8.8 HIGH Dpdk: dpdk: vduse handler fails to invalidate vring pointers when iotlb is invalidated, le
CVE-2026-100236 8.6 HIGH Dpdk: dpdk: heap out-of-bounds read/write in gso header copy
CVE-2026-86476 8.4 HIGH Gstreamer1-plugins-base: gst-plugins-base: heap buffer overflow via unvalidated gstvideome
CVE-2026-86565 8.2 HIGH Dpdk: dpdk: guest can desynchronize virtqueue size from inflight descriptor table size, ca
CVE-2026-86562 7.8 HIGH Dpdk: dpdk: control-queue descriptor double-fetch overflows host heap in dpdk vhost (vduse
CVE-2026-90954 7.8 HIGH Busybox: busybox: dpkg-deb extraction-root escape via per-ar-member deferred symlink flush
CVE-2026-86563 7.8 HIGH Dpdk: dpdk: double offset bug in vhost log mapping calculation
CVE-2026-88829 7.2 HIGH Busybox: busybox: http request smuggling via pipelined requests in httpd reverse proxy
CVE-2026-86566 6.5 MEDIUM Dpdk: dpdk: guest with runt rx descriptors underflows copy length in vhost enqueue (split
CVE-2026-86845 6.5 MEDIUM Dpdk: dpdk: guest-triggered use-after-free and type confusion in vhost-crypto session clea
CVE-2026-86846 6.5 MEDIUM Dpdk: dpdk: guest can trigger out-of-bounds write by controlling avail ring index in vhost
CVE-2026-86561 6.5 MEDIUM Dpdk: dpdk: missing memory size validation before mmap in vhost memory region setup
CVE-2026-86847 6.5 MEDIUM Dpdk: dpdk: guest can trigger infinite loop in vhost-crypto writeback chain cleanup
CVE-2026-100229 6.5 MEDIUM Gstreamer1-plugins-bad-free: gstreamer1-plugins-bad-free: out-of-bounds write in gst_h266_
CVE-2026-86856 6.5 MEDIUM Dpdk: dpdk: stack and heap buffer overflow in nfp vdpa driver
CVE-2026-86849 6.5 MEDIUM Dpdk: dpdk: integer overflow combined with missing validation leads to host buffer overflo
CVE-2026-93683 6.4 MEDIUM Dpdk: dpdk: guest-triggered out-of-bounds walk via vhost indirect descriptor length toctou
CVE-2026-100231 6.1 MEDIUM Gstreamer1-plugins-bad-free: gstreamer1-plugins-bad-free: heap out-of-bounds write in asfm

Showing top 20 of 26 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-532

V. Comments for CVE-2026-109968

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