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Fencer Intel
high 7.1

CVE-2025-38088 json

powerpc/powernv/memtrace: Fix out of bounds issue in memtrace mmap

published last yr. modified 4mo ago also EUVD-2025-22845

cvss
7.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits
0
none known

Summary

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

powerpc/powernv/memtrace: Fix out of bounds issue in memtrace mmap

memtrace mmap issue has an out of bounds issue. This patch fixes the by checking that the requested mapping region size should stay within the allocated region size.

Patch / fix

  • Linux Linux 5.15.186, 6.1.142, 6.6.94, 6.12.34, 6.15.3, 6.16
  • linux Debian 12 6.1.147-1
  • linux Debian 14, Debian 13 6.12.35-1

debian advisories DEBIAN-CVE-2025-38088

  • linux Ubuntu 22.04 LTS 5.15.0-156.166
  • linux Ubuntu 24.04 LTS 6.8.0-100.100
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1092.99
  • linux-aws Ubuntu 24.04 LTS 6.8.0-1046.49
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1092.101
  • linux-gcp Ubuntu 24.04 LTS 6.8.0-1047.50
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1089.95
  • linux-gke Ubuntu 24.04 LTS 6.8.0-1043.48

ubuntu advisories UBUNTU-CVE-2025-38088

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel RHEL 10.0 6.12.0-55.24.1.el10_0
  • rv RHEL 10.0 6.12.0-55.24.1.el10_0
  • perf RHEL 10.0 6.12.0-55.24.1.el10_0
  • rtla RHEL 10.0 6.12.0-55.24.1.el10_0
  • libperf RHEL 10.0 6.12.0-55.24.1.el10_0
  • kernel-rt RHEL 10.0 6.12.0-55.24.1.el10_0
  • kernel-64k RHEL 10.0 6.12.0-55.24.1.el10_0
  • kernel-core RHEL 10.0 6.12.0-55.24.1.el10_0

red hat advisories RHSA-2025:11855

  • 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-2025:21179-1SUSE-SU-2025:03344-1SUSE-SU-2025:03023-1

  • 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 6.12.0-55.24.1.el10_0

almalinux advisories ALSA-2025:11855

  • kernel Rocky Linux 10 6.12.0-55.24.1.el10_0

rocky linux advisories RLSA-2025:11855

Is CVE-2025-38088 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2025-38088 updated cvss 7.0

kernel: powerpc/powernv/memtrace: Fix out of bounds issue in memtrace mmap

  • Red Hat Enterprise Linux AppStream (v. 10) rv 6.12.0-55.24.1.el10_0, perf 6.12.0-55.24.1.el10_0, rtla 6.12.0-55.24.1.el10_0, python3-perf 6.12.0-55.24.1.el10_0, kernel-devel-matched 6.12.0-55.24.1.el10_0, kernel-64k-devel-matched 6.12.0-55.24.1.el10_0, +7 more Red Hat Enterprise Linux BaseOS (v. 10) kernel 6.12.0-55.24.1.el10_0, kernel-64k 6.12.0-55.24.1.el10_0, kernel-core 6.12.0-55.24.1.el10_0, kernel-tools 6.12.0-55.24.1.el10_0, kernel-modules 6.12.0-55.24.1.el10_0, kernel-64k-core 6.12.0-55.24.1.el10_0, +27 more Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) libperf 6.12.0-55.24.1.el10_0, kernel-debuginfo-common-s390x 6.12.0-55.24.1.el10_0, kernel-debuginfo-common-x86_64 6.12.0-55.24.1.el10_0, kernel-debuginfo-common-aarch64 6.12.0-55.24.1.el10_0, kernel-debuginfo-common-ppc64le 6.12.0-55.24.1.el10_0 Red Hat Enterprise Linux Real Time (v. 10) kernel-rt 6.12.0-55.24.1.el10_0, kernel-rt-64k 6.12.0-55.24.1.el10_0, kernel-rt-core 6.12.0-55.24.1.el10_0, kernel-rt-modules 6.12.0-55.24.1.el10_0, kernel-rt-64k-core 6.12.0-55.24.1.el10_0, kernel-rt-debug-core 6.12.0-55.24.1.el10_0, +14 more Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt 6.12.0-55.24.1.el10_0, kernel-rt-kvm 6.12.0-55.24.1.el10_0, kernel-rt-core 6.12.0-55.24.1.el10_0, kernel-rt-modules 6.12.0-55.24.1.el10_0, kernel-rt-debug-kvm 6.12.0-55.24.1.el10_0, kernel-rt-debug-core 6.12.0-55.24.1.el10_0, +6 more
    fixed: vendor fix RHSA-2025:11855
  • 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 Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 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

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected products

  • Linux Linux

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel 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.