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CVE-2025-38466— perf: Revert to requiring CAP_SYS_ADMIN for uprobes

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uprobes未验证指令完整性，可能导致任意代码执行。

CVSS 7.8 · High EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux c9e0924e5c2b59365f9c0d43ff8722e79ecf4088< d7ef1afd5b3f43f4924326164cee5397b66abd9c affected
c9e0924e5c2b59365f9c0d43ff8722e79ecf4088< c0aec35f861fa746ca45aa816161c74352e6ada8 affected
c9e0924e5c2b59365f9c0d43ff8722e79ecf4088< 8e8bf7bc6aa6f583336c2fda280b6cea0aed5612 affected
c9e0924e5c2b59365f9c0d43ff8722e79ecf4088< 183bdb89af1b5193b1d1d9316986053b15ca6fa4 affected
c9e0924e5c2b59365f9c0d43ff8722e79ecf4088< a0a8009083e569b5526c64f7d3f2a62baca95164 affected
c9e0924e5c2b59365f9c0d43ff8722e79ecf4088< d5074256b642cdeb46a70ce2f15193e766edca68 affected
c9e0924e5c2b59365f9c0d43ff8722e79ecf4088< ba677dbe77af5ffe6204e0f3f547f3ba059c6302 affected
5.8 affected
… +8 more rows
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I. Basic Information for CVE-2025-38466

Vulnerability Information
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Vulnerability Title
perf: Revert to requiring CAP_SYS_ADMIN for uprobes
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: perf: Revert to requiring CAP_SYS_ADMIN for uprobes Jann reports that uprobes can be used destructively when used in the middle of an instruction. The kernel only verifies there is a valid instruction at the requested offset, but due to variable instruction length cannot determine if this is an instruction as seen by the intended execution stream. Additionally, Mark Rutland notes that on architectures that mix data in the text segment (like arm64), a similar things can be done if the data word is 'mistaken' for an instruction. As such, require CAP_SYS_ADMIN for uprobes.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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uprobes未验证指令完整性，可能导致任意代码执行。
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 c9e0924e5c2b59365f9c0d43ff8722e79ecf4088 ~ d7ef1afd5b3f43f4924326164cee5397b66abd9c -
Linux Linux 5.8 -

II. Public POCs for CVE-2025-38466

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III. Intelligence Information for CVE-2025-38466

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Same Patch Batch · Linux · 2025-07-25 · 114 CVEs total

CVE-2025-38429 10.0 CRITICAL bus: mhi: ep: Update read pointer only after buffer is written
CVE-2025-38411 9.8 CRITICAL netfs: Fix double put of request
CVE-2025-38430 9.8 CRITICAL nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request
CVE-2025-38439 9.8 CRITICAL bnxt_en: Set DMA unmap len correctly for XDP_REDIRECT
CVE-2025-38365 9.1 CRITICAL btrfs: fix a race between renames and directory logging
CVE-2025-38377 8.8 HIGH rose: fix dangling neighbour pointers in rose_rt_device_down()
CVE-2025-38367 8.8 HIGH LoongArch: KVM: Avoid overflow with array index
CVE-2025-38437 8.8 HIGH ksmbd: fix potential use-after-free in oplock/lease break ack
CVE-2025-38375 8.4 HIGH virtio-net: ensure the received length does not exceed allocated size
CVE-2025-38395 8.4 HIGH regulator: gpio: Fix the out-of-bounds access to drvdata::gpiods
CVE-2025-38386 7.8 HIGH ACPICA: Refuse to evaluate a method if arguments are missing
CVE-2025-38449 7.8 HIGH drm/gem: Acquire references on GEM handles for framebuffers
CVE-2025-38434 7.8 HIGH Revert "riscv: Define TASK_SIZE_MAX for __access_ok()"
CVE-2025-38412 7.8 HIGH platform/x86: dell-wmi-sysman: Fix WMI data block retrieval in sysfs callbacks
CVE-2025-38382 7.8 HIGH btrfs: fix iteration of extrefs during log replay
CVE-2025-38447 7.8 HIGH mm/rmap: fix potential out-of-bounds page table access during batched unmap
CVE-2025-38398 7.8 HIGH spi: spi-qpic-snand: reallocate BAM transactions
CVE-2025-38408 7.8 HIGH genirq/irq_sim: Initialize work context pointers properly
CVE-2025-38396 7.8 HIGH fs: export anon_inode_make_secure_inode() and fix secretmem LSM bypass
CVE-2025-38435 7.8 HIGH riscv: vector: Fix context save/restore with xtheadvector

Showing top 20 of 114 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38466

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