CVE-2025-38233
7.8 · HIGHOverview
CVE-2025-38233 is a high-severity vulnerability affecting linux linux_kernel. It was published on July 4, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
In the Linux kernel, the following vulnerability has been resolved:
powerpc64/ftrace: fix clobbered r15 during livepatching
While r15 is clobbered always with PPC_FTRACE_OUT_OF_LINE, it is
not restored in livepatch sequence leading to not so obvious fails
like below:
BUG: Unable to handle kernel data access on write at 0xc0000000000f9078
Faulting instruction address: 0xc0000000018ff958
Oops: Kernel access of bad area, sig: 11 [#1]
...
NIP: c0000000018ff958 LR: c0000000018ff930 CTR: c0000000009c0790
REGS: c00000005f2e7790 TRAP: 0300 Tainted: G K (6.14.0+)
MSR: 8000000000009033 <SF,EE,ME,IR,DR,RI,LE> CR: 2822880b XER: 20040000
CFAR: c0000000008addc0 DAR: c0000000000f9078 DSISR: 0a000000 IRQMASK: 1
GPR00: c0000000018f2584 c00000005f2e7a30 c00000000280a900 c000000017ffa488
GPR04: 0000000000000008 0000000000000000 c0000000018f24fc 000000000000000d
GPR08: fffffffffffe0000 000000000000000d 0000000000000000 0000000000008000
GPR12: c0000000009c
Remediation
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linux | linux_kernel | >= 6.13, < 6.15.4 | Affected |
Frequently Asked Questions
What is CVE-2025-38233?
CVE-2025-38233 is a high-severity vulnerability affecting linux linux_kernel. It was published on July 4, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2025-38233?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-38233?
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-38233?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-38233 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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