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Fencer Vulns
high 8.8

CVE-2025-39918 json

wifi: mt76: fix linked list corruption

published 2025-10-01 13 mo ago modified 2026-10-19 20 d ago also EUVD-2025-32885

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits
0
none known

Summary

In the Linux kernel, the following vulnerability has been resolved:

wifi: mt76: fix linked list corruption

Never leave scheduled wcid entries on the temporary on-stack list

Patch / fix

  • Linux Linux 6.12.46, 6.16.6, 6.17
  • linux Debian 13 6.12.48-1
  • linux Debian 14 6.16.6-1

debian advisories DEBIAN-CVE-2025-39918

  • kernel RHEL 9 5.14.0-611.11.1.el9_7
  • rv RHEL 9 5.14.0-611.11.1.el9_7
  • perf RHEL 9 5.14.0-611.11.1.el9_7
  • rtla RHEL 9 5.14.0-611.11.1.el9_7
  • libperf RHEL 9 5.14.0-611.11.1.el9_7
  • kernel-rt RHEL 9 5.14.0-611.11.1.el9_7
  • kernel-64k RHEL 9 5.14.0-611.11.1.el9_7
  • kernel-core RHEL 9 5.14.0-611.11.1.el9_7

red hat advisories RHSA-2025:22571RHSA-2025:22405RHSA-2025:22395RHSA-2025:22392

  • kernel-rt Linux Micro 6.2 6.12.0-160000.6.1
  • kernel-64kb SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 6.12.0-160000.6.1
  • kernel-source SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 6.12.0-160000.6.1
  • kernel-default SLES 16.0, SLE High Availability Extension 16.0, Linux Micro 6.2 +1 more 6.12.0-160000.6.1
  • kernel-default-base SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 6.12.0-160000.6.1.160000.2.4
  • kernel-syms SLES 16.0, Linux Micro Extras 6.2, SLES for SAP applications 16.0 6.12.0-160000.6.1
  • kernel-obs-qa SLES for SAP applications 16.0, SLES 16.0 6.12.0-160000.6.1
  • kernel-kvmsmall SLES for SAP applications 16.0, SLES 16.0 6.12.0-160000.6.1

suse advisories SUSE-SU-2025:21074-1SUSE-SU-2025:21139-1SUSE-SU-2026:20560-1SUSE-SU-2025:21179-1

  • kernel-rt openSUSE Leap 16.0 6.12.0-160000.6.1
  • dtb-aarch64 openSUSE Leap 16.0 6.12.0-160000.6.1
  • kernel-64kb openSUSE Leap 16.0 6.12.0-160000.6.1
  • kernel-syms openSUSE Leap 16.0 6.12.0-160000.6.1
  • kernel-obs-qa openSUSE Leap 16.0 6.12.0-160000.6.1
  • kernel-source openSUSE Leap 16.0 6.12.0-160000.6.1
  • kernel-default openSUSE Leap 16.0 6.12.0-160000.6.1
  • kernel-kvmsmall openSUSE Leap 16.0 6.12.0-160000.6.1

opensuse advisories openSUSE-SU-2025:20081-1

  • kernel-abi-stablelists AlmaLinux 10 6.12.0-124.16.1.el10_1
  • kernel AlmaLinux 9 5.14.0-611.11.1.el9_7
  • rv AlmaLinux 9 5.14.0-611.11.1.el9_7
  • perf AlmaLinux 9 5.14.0-611.11.1.el9_7
  • rtla AlmaLinux 9 5.14.0-611.11.1.el9_7
  • libperf AlmaLinux 9 5.14.0-611.11.1.el9_7
  • kernel-rt AlmaLinux 9 5.14.0-611.11.1.el9_7
  • kernel-64k AlmaLinux 9 5.14.0-611.11.1.el9_7

almalinux advisories ALSA-2025:22395ALSA-2025:22405

  • kernel Rocky Linux 10 6.12.0-124.16.1.el10_1
  • kernel Rocky Linux 9 5.14.0-611.11.1.el9_7

rocky linux advisories RLSA-2025:22395RLSA-2025:22405

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-39918 updated cvss 7.6

kernel: wifi: mt76: fix linked list corruption

  • Red Hat Enterprise Linux 9 kernel-rt, kernel-rt-kvm, kernel-rt-core, kernel-rt-modules, kernel-rt-debug-kvm, kernel-rt-debug-core, +12 more
    affected: workaround, no fix available
  • Red Hat CodeReady Linux Builder EUS (v.9.6) libperf 5.14.0-570.69.1.el9_6, kernel-debuginfo-common-s390x 5.14.0-570.69.1.el9_6, kernel-debuginfo-common-x86_64 5.14.0-570.69.1.el9_6, kernel-debuginfo-common-aarch64 5.14.0-570.69.1.el9_6, kernel-debuginfo-common-ppc64le 5.14.0-570.69.1.el9_6
    fixed: vendor fix RHSA-2025:22392
  • Red Hat Enterprise Linux AppStream (v. 9) rv 5.14.0-611.11.1.el9_7, perf 5.14.0-611.11.1.el9_7, rtla 5.14.0-611.11.1.el9_7, python3-perf 5.14.0-611.11.1.el9_7, kernel-devel-matched 5.14.0-611.11.1.el9_7, kernel-64k-devel-matched 5.14.0-611.11.1.el9_7, +7 more
    fixed: vendor fix RHSA-2025:22405
  • Red Hat Enterprise Linux AppStream (v. 10) rv 6.12.0-124.16.1.el10_1, perf 6.12.0-124.16.1.el10_1, rtla 6.12.0-124.16.1.el10_1, python3-perf 6.12.0-124.16.1.el10_1, kernel-devel-matched 6.12.0-124.16.1.el10_1, kernel-64k-devel-matched 6.12.0-124.16.1.el10_1, +7 more
    fixed: vendor fix RHSA-2025:22395
  • Red Hat Enterprise Linux AppStream EUS (v. 10.0) rv 6.12.0-55.47.1.el10_0, perf 6.12.0-55.47.1.el10_0, rtla 6.12.0-55.47.1.el10_0, python3-perf 6.12.0-55.47.1.el10_0, kernel-devel-matched 6.12.0-55.47.1.el10_0, kernel-64k-devel-matched 6.12.0-55.47.1.el10_0, +7 more
    fixed: vendor fix RHSA-2025:22571
  • Red Hat Enterprise Linux AppStream EUS (v.9.6) rv 5.14.0-570.69.1.el9_6, perf 5.14.0-570.69.1.el9_6, rtla 5.14.0-570.69.1.el9_6, python3-perf 5.14.0-570.69.1.el9_6, kernel-devel-matched 5.14.0-570.69.1.el9_6, kernel-64k-devel-matched 5.14.0-570.69.1.el9_6, +7 more
    fixed: vendor fix RHSA-2025:22392
  • Red Hat Enterprise Linux BaseOS (v. 9) kernel 5.14.0-611.11.1.el9_7, kernel-64k 5.14.0-611.11.1.el9_7, kernel-core 5.14.0-611.11.1.el9_7, kernel-tools 5.14.0-611.11.1.el9_7, kernel-modules 5.14.0-611.11.1.el9_7, kernel-64k-core 5.14.0-611.11.1.el9_7, +27 more
    fixed: vendor fix RHSA-2025:22405
  • Red Hat Enterprise Linux BaseOS (v. 10) kernel 6.12.0-124.16.1.el10_1, kernel-64k 6.12.0-124.16.1.el10_1, kernel-core 6.12.0-124.16.1.el10_1, kernel-tools 6.12.0-124.16.1.el10_1, kernel-modules 6.12.0-124.16.1.el10_1, kernel-64k-core 6.12.0-124.16.1.el10_1, +28 more
    fixed: vendor fix RHSA-2025:22395
show 14 more
  • Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel 6.12.0-55.47.1.el10_0, kernel-64k 6.12.0-55.47.1.el10_0, kernel-core 6.12.0-55.47.1.el10_0, kernel-tools 6.12.0-55.47.1.el10_0, kernel-modules 6.12.0-55.47.1.el10_0, kernel-64k-core 6.12.0-55.47.1.el10_0, +27 more
    fixed: vendor fix RHSA-2025:22571
  • Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel 5.14.0-570.69.1.el9_6, kernel-64k 5.14.0-570.69.1.el9_6, kernel-core 5.14.0-570.69.1.el9_6, kernel-tools 5.14.0-570.69.1.el9_6, kernel-modules 5.14.0-570.69.1.el9_6, kernel-64k-core 5.14.0-570.69.1.el9_6, +27 more
    fixed: vendor fix RHSA-2025:22392
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) libperf 5.14.0-611.11.1.el9_7, kernel-debuginfo-common-s390x 5.14.0-611.11.1.el9_7, kernel-debuginfo-common-x86_64 5.14.0-611.11.1.el9_7, kernel-debuginfo-common-aarch64 5.14.0-611.11.1.el9_7, kernel-debuginfo-common-ppc64le 5.14.0-611.11.1.el9_7
    fixed: vendor fix RHSA-2025:22405
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) libperf 6.12.0-124.16.1.el10_1, kernel-debuginfo-common-s390x 6.12.0-124.16.1.el10_1, kernel-debuginfo-common-x86_64 6.12.0-124.16.1.el10_1, kernel-debuginfo-common-aarch64 6.12.0-124.16.1.el10_1, kernel-debuginfo-common-ppc64le 6.12.0-124.16.1.el10_1
    fixed: vendor fix RHSA-2025:22395
  • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) libperf 6.12.0-55.47.1.el10_0, kernel-debuginfo-common-s390x 6.12.0-55.47.1.el10_0, kernel-debuginfo-common-x86_64 6.12.0-55.47.1.el10_0, kernel-debuginfo-common-aarch64 6.12.0-55.47.1.el10_0, kernel-debuginfo-common-ppc64le 6.12.0-55.47.1.el10_0
    fixed: vendor fix RHSA-2025:22571
  • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-611.11.1.el9_7, kernel-rt-64k 5.14.0-611.11.1.el9_7, kernel-rt-core 5.14.0-611.11.1.el9_7, kernel-rt-modules 5.14.0-611.11.1.el9_7, kernel-rt-64k-core 5.14.0-611.11.1.el9_7, kernel-rt-debug-core 5.14.0-611.11.1.el9_7, +14 more
    fixed: vendor fix RHSA-2025:22405
  • Red Hat Enterprise Linux Real Time (v. 10) kernel-rt 6.12.0-124.16.1.el10_1, kernel-rt-64k 6.12.0-124.16.1.el10_1, kernel-rt-core 6.12.0-124.16.1.el10_1, kernel-rt-modules 6.12.0-124.16.1.el10_1, kernel-rt-64k-core 6.12.0-124.16.1.el10_1, kernel-rt-debug-core 6.12.0-124.16.1.el10_1, +14 more
    fixed: vendor fix RHSA-2025:22395
  • Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt 6.12.0-55.47.1.el10_0, kernel-rt-64k 6.12.0-55.47.1.el10_0, kernel-rt-core 6.12.0-55.47.1.el10_0, kernel-rt-modules 6.12.0-55.47.1.el10_0, kernel-rt-64k-core 6.12.0-55.47.1.el10_0, kernel-rt-debug-core 6.12.0-55.47.1.el10_0, +14 more
    fixed: vendor fix RHSA-2025:22571
  • Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt 5.14.0-570.69.1.el9_6, kernel-rt-64k 5.14.0-570.69.1.el9_6, kernel-rt-core 5.14.0-570.69.1.el9_6, kernel-rt-modules 5.14.0-570.69.1.el9_6, kernel-rt-64k-core 5.14.0-570.69.1.el9_6, kernel-rt-debug-core 5.14.0-570.69.1.el9_6, +14 more
    fixed: vendor fix RHSA-2025:22392
  • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-611.11.1.el9_7, kernel-rt-core 5.14.0-611.11.1.el9_7, kernel-rt-modules 5.14.0-611.11.1.el9_7, kernel-rt-debug-core 5.14.0-611.11.1.el9_7, kernel-rt-modules-core 5.14.0-611.11.1.el9_7, kernel-rt-debug-modules 5.14.0-611.11.1.el9_7, +4 more
    fixed: vendor fix RHSA-2025:22405
  • Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt 6.12.0-124.16.1.el10_1, kernel-rt-core 6.12.0-124.16.1.el10_1, kernel-rt-modules 6.12.0-124.16.1.el10_1, kernel-rt-debug-core 6.12.0-124.16.1.el10_1, kernel-rt-modules-core 6.12.0-124.16.1.el10_1, kernel-rt-debug-modules 6.12.0-124.16.1.el10_1, +4 more
    fixed: vendor fix RHSA-2025:22395
  • Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt 6.12.0-55.47.1.el10_0, kernel-rt-kvm 6.12.0-55.47.1.el10_0, kernel-rt-core 6.12.0-55.47.1.el10_0, kernel-rt-modules 6.12.0-55.47.1.el10_0, kernel-rt-debug-kvm 6.12.0-55.47.1.el10_0, kernel-rt-debug-core 6.12.0-55.47.1.el10_0, +6 more
    fixed: vendor fix RHSA-2025:22571
  • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt 5.14.0-570.69.1.el9_6, kernel-rt-kvm 5.14.0-570.69.1.el9_6, kernel-rt-core 5.14.0-570.69.1.el9_6, kernel-rt-modules 5.14.0-570.69.1.el9_6, kernel-rt-debug-kvm 5.14.0-570.69.1.el9_6, kernel-rt-debug-core 5.14.0-570.69.1.el9_6, +6 more
    fixed: vendor fix RHSA-2025:22392
  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
9 mo ago

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADP 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Linux Linux

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.