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CVE-2025-38088— powerpc/powernv/memtrace: Fix out of bounds issue in memtrace mmap

Quick assessment

Affected
Linux Linux
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.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于memtrace mmap中存在越界问题。

AI Predicted 4.4 Difficulty: Easy EPSS 0.17% · P6

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 08a022ad3dfafc7e33d4529015e14bb75179cacc< 81260c41b518b6f32c701425f1427562fa92f293 affected
08a022ad3dfafc7e33d4529015e14bb75179cacc< 620b77b23c41a6546e5548ffe2ea3ad71880dde4 affected
08a022ad3dfafc7e33d4529015e14bb75179cacc< 8635e325b85dfb9ddebdfaa6b5605d40d16cd147 affected
08a022ad3dfafc7e33d4529015e14bb75179cacc< 9c340b56d60545e4a159e41523dd8b23f81d3261 affected
08a022ad3dfafc7e33d4529015e14bb75179cacc< bbd5a9ddb0f9750783a48a871c9e12c0b68c5f39 affected
08a022ad3dfafc7e33d4529015e14bb75179cacc< cd097df4596f3a1e9d75eb8520162de1eb8485b2 affected
5.13 affected
< 5.13 unaffected
… +6 more rows
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I. Basic Information for CVE-2025-38088

Vulnerability Information
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Vulnerability Title
powerpc/powernv/memtrace: Fix out of bounds issue in memtrace mmap
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于memtrace mmap中存在越界问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 08a022ad3dfafc7e33d4529015e14bb75179cacc ~ 81260c41b518b6f32c701425f1427562fa92f293 -
Linux Linux 5.13 -

II. Public POCs for CVE-2025-38088

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III. Intelligence Information for CVE-2025-38088

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Same Patch Batch · Linux · 2025-06-30 · 4 CVEs total

CVE-2025-38089 9.8 CRITICAL sunrpc: handle SVC_GARBAGE during svc auth processing as auth error
CVE-2025-38090 7.8 HIGH drivers/rapidio/rio_cm.c: prevent possible heap overwrite
CVE-2025-38087 7.8 HIGH net/sched: fix use-after-free in taprio_dev_notifier

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38088

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