CVE-2025-39794— ARM: tegra: Use I/O memcpy to write to IRAM
Affected Version Matrix 20
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | b36ab9754efbd7429d214b3b03dc9843882571bd< b28c1a14accc79ead1e87bbdae53309da60be1e7 | affected |
b36ab9754efbd7429d214b3b03dc9843882571bd< 75a3bdfeed2f129a2c7d9fd7779382b78e35b014 | affected | ||
b36ab9754efbd7429d214b3b03dc9843882571bd< 2499b0ac908eefbb8a217aae609b7a5b5174f330 | affected | ||
b36ab9754efbd7429d214b3b03dc9843882571bd< 387435f4833f97aabfd74434ee526e31e8a626ea | affected | ||
b36ab9754efbd7429d214b3b03dc9843882571bd< 46b3a7a3a36d5833f14914d1b95c69d28c6a76d6 | affected | ||
b36ab9754efbd7429d214b3b03dc9843882571bd< 9b0b3b5e5cae95e09bf0ae4a9bcb58d9b6d57f87 | affected | ||
b36ab9754efbd7429d214b3b03dc9843882571bd< 96d6605bf0561d6e568b1dd9265a0f73b5b94f51 | affected | ||
b36ab9754efbd7429d214b3b03dc9843882571bd< 30ef45b89a5961cdecf907ecff1ef3374d1de510 | affected | ||
| … +12 more rows | |||
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I. Basic Information for CVE-2025-39794
Vulnerability Information
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Vulnerability Title
ARM: tegra: Use I/O memcpy to write to IRAM
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ARM: tegra: Use I/O memcpy to write to IRAM Kasan crashes the kernel trying to check boundaries when using the normal memcpy.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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，该漏洞源于使用普通memcpy写入IRAM时Kasan会尝试检查边界导致内核崩溃。
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
II. Public POCs for CVE-2025-39794
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Same Patch Batch · Linux · 2025-09-12 · 7 CVEs total
| CVE-2025-39792 | dm: Always split write BIOs to zoned device limits | |
| CVE-2025-39793 | io_uring/memmap: cast nr_pages to size_t before shifting | |
| CVE-2025-39795 | block: avoid possible overflow for chunk_sectors check in blk_stack_limits() | |
| CVE-2025-39796 | net: lapbether: ignore ops-locked netdevs | |
| CVE-2025-39797 | xfrm: Duplicate SPI Handling | |
| CVE-2025-39798 | NFS: Fix the setting of capabilities when automounting a new filesystem |
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-46333
ptrace: slightly saner 'get_dumpable()' logic - CVE-2026-43490
ksmbd: validate inherited ACE SID length - CVE-2026-43489
liveupdate: luo_file: remember retrieve() status - CVE-2026-43487
ata: libata-core: Disable LPM on ST1000DM010-2EP102 - CVE-2026-43488
usb: xhci: Prevent interrupt storm on host controller error
Same vendor: Linux
- CVE-2026-46333
ptrace: slightly saner 'get_dumpable()' logic - CVE-2026-43490
ksmbd: validate inherited ACE SID length - CVE-2026-43489
liveupdate: luo_file: remember retrieve() status - CVE-2026-43487
ata: libata-core: Disable LPM on ST1000DM010-2EP102 - CVE-2026-43488
usb: xhci: Prevent interrupt storm on host controller error
V. Comments for CVE-2025-39794
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