powerpc/powernv/memtrace: Fix out of bounds issue in memtrace mmap
Priority LOW 31CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
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.
Why it matters now
EPSS 0.00194 9th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.15.186, 6.1.142, 6.6.94 +3Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.13 and later | 5.15.186, 6.1.142, 6.6.94, 6.12.34, 6.15.3, 6.16 | Patch available | CNA |
- Linux VendorLinux Affected 5.13 and later Fixed in 5.15.186, 6.1.142, 6.6.94, 6.12.34, 6.15.3, 6.16 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.13 to before 5.15.186; 5.16 to before 6.1.142; 6.2 to before 6.6.94; 6.7 to before 6.12.34; 6.13 to before 6.15.3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:* | 6.16 rc1 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.13 to before 5.15.186; 5.16 to before 6.1.142; 6.2 to before 6.6.94; 6.7 to before 6.12.34; 6.13 to before 6.15.3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:* Versions 6.16 rc1 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.15.186, 6.1.142, 6.6.94, 6.12.34, 6.15.3, 6.16
Red Hat 1 advisory
- RHSA-2025:11855 Released 2025-07-28 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-55.24.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.24.1.el10_0, kernel-64k-devel-6.12.0-55.24.1.el10_0 +12
- 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-64k-core-6.12.0-55.24.1.el10_0 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-55.24.1.el10_0, libperf-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-64k-core-6.12.0-55.24.1.el10_0 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-55.24.1.el10_0, kernel-rt-core-6.12.0-55.24.1.el10_0, kernel-rt-debug-6.12.0-55.24.1.el10_0 +11
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2025:11855 |
| Red Hat Enterprise Linux BaseOS (v. 10) | Fixed | RHSA-2025:11855 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2025:11855 |
| Red Hat Enterprise Linux Real Time (v. 10) | Fixed | RHSA-2025:11855 |
| Red Hat Enterprise Linux Real Time for NFV (v. 10) | Fixed | RHSA-2025:11855 |
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2025-38088
- 2026-10-03 Alias added: GHSA-96p2-88jx-5jfm
References
Patch 6
- https://git.kernel.org/stable/c/81260c41b518b6f32c701425f1427562fa92f293
- https://git.kernel.org/stable/c/620b77b23c41a6546e5548ffe2ea3ad71880dde4
- https://git.kernel.org/stable/c/8635e325b85dfb9ddebdfaa6b5605d40d16cd147
- https://git.kernel.org/stable/c/9c340b56d60545e4a159e41523dd8b23f81d3261
- https://git.kernel.org/stable/c/bbd5a9ddb0f9750783a48a871c9e12c0b68c5f39
- https://git.kernel.org/stable/c/cd097df4596f3a1e9d75eb8520162de1eb8485b2
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- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2025-38088 · CVE Program
- CVE-2025-38088 · NVD
- FIRST EPSS
- GHSA-96p2-88jx-5jfm · GitHub Advisory Database · CC BY 4.0
- CVE-2025-38088 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences