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CVE-2025-38452— net: ethernet: rtsn: Fix a null pointer dereference in rtsn_probe()

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ptp_alloc返回值未检查可能导致空指针解引用。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 8

VendorProduct Version RangeStatus
Linux Linux b0d3969d2b4db82602492cad576b8de494a12ddf< 9f260e16b297f8134c5f90bb5a20e805ff57e853 affected
b0d3969d2b4db82602492cad576b8de494a12ddf< d52eb4f0e0ca9a5213b8795abbeb11a325d9b22d affected
b0d3969d2b4db82602492cad576b8de494a12ddf< 95a234f6affbf51f06338383537ab80d637bb785 affected
6.11 affected
< 6.11 unaffected
6.12.39≤ 6.12.* unaffected
6.15.7≤ 6.15.* unaffected
6.16≤ * unaffected
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I. Basic Information for CVE-2025-38452

Vulnerability Information
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Vulnerability Title
net: ethernet: rtsn: Fix a null pointer dereference in rtsn_probe()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: rtsn: Fix a null pointer dereference in rtsn_probe() Add check for the return value of rcar_gen4_ptp_alloc() to prevent potential null pointer dereference.
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ptp_alloc返回值未检查可能导致空指针解引用。
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 b0d3969d2b4db82602492cad576b8de494a12ddf ~ 9f260e16b297f8134c5f90bb5a20e805ff57e853 -
Linux Linux 6.11 -

II. Public POCs for CVE-2025-38452

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III. Intelligence Information for CVE-2025-38452

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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-2025-38422 7.8 HIGH net: lan743x: Modify the EEPROM and OTP size for PCI1xxxx devices
CVE-2025-38434 7.8 HIGH Revert "riscv: Define TASK_SIZE_MAX for __access_ok()"
CVE-2025-38449 7.8 HIGH drm/gem: Acquire references on GEM handles for framebuffers
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-2025-38412 7.8 HIGH platform/x86: dell-wmi-sysman: Fix WMI data block retrieval in sysfs callbacks
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

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-2025-38452

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