CVE-2025-40109— crypto: rng - Ensure set_ent is always present
Affected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 77ebdabe8de7c02f43c6de3357f79ff96f9f0579< 15d6f42da1bb527629d8e1067b1302d58dec9166 | affected |
77ebdabe8de7c02f43c6de3357f79ff96f9f0579< bd903c25b652c331831226cdf56c8179d18e43f4 | affected | ||
77ebdabe8de7c02f43c6de3357f79ff96f9f0579< 17acbcd44fe8dc17dc1072375e76df2d52da6ac8 | affected | ||
77ebdabe8de7c02f43c6de3357f79ff96f9f0579< ab172f4f42626549b02bada05f09e3f2b0cc26ec | affected | ||
77ebdabe8de7c02f43c6de3357f79ff96f9f0579< c5c703b50e91dd4748769f4c5ab50d9ad60be370 | affected | ||
77ebdabe8de7c02f43c6de3357f79ff96f9f0579< e247a7d138e514a40edda7c4d72c8bd49bb2cad3 | affected | ||
77ebdabe8de7c02f43c6de3357f79ff96f9f0579< 915cb75983bc5e8b80f8a2f25a4af463f7b18c14 | affected | ||
77ebdabe8de7c02f43c6de3357f79ff96f9f0579< c0d36727bf39bb16ef0a67ed608e279535ebf0da | affected | ||
| … +10 more rows | |||
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I. Basic Information for CVE-2025-40109
Vulnerability Information
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Vulnerability Title
crypto: rng - Ensure set_ent is always present
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: crypto: rng - Ensure set_ent is always present Ensure that set_ent is always set since only drbg provides it.
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，该漏洞源于未确保set_ent始终存在，可能导致加密随机数生成问题。
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
II. Public POCs for CVE-2025-40109
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2025-40109 (2)
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-45836
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndti - CVE-2026-45835
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_conne - CVE-2026-45834
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_cha - CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing - CVE-2026-43503
net: skbuff: propagate shared-frag marker through frag-trans
Same vendor: Linux
- CVE-2026-45836
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndti - CVE-2026-45835
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_conne - CVE-2026-45834
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_cha - CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing - CVE-2026-43503
net: skbuff: propagate shared-frag marker through frag-trans
V. Comments for CVE-2025-40109
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