What’s Vulnerable › Vulnerabilities

CVE-2025-68763: crypto: starfive - Correctly handle return of sg_nents_for_len

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-05 · updated 2026-10-14

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: starfive - Correctly handle return of sg_nents_for_len The return value of sg_nents_for_len was assigned to an unsigned long in starfive_hash_digest, causing negative error codes to be converted to large positive integers. Add error checking for sg_nents_for_len and return immediately on failure to prevent potential buffer overflows.

Affected products

• Linux kernel: 6.5 — fixed in 6.19

How to fix

Upgrade to a fixed version: Linux kernel 6.19. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0c3854d65cc4402cb8c52d4d773450a06efecab6
• https://git.kernel.org/stable/c/1af5c973dd744e29fa22121f43e8646b7a7a71a7
• https://git.kernel.org/stable/c/6cd14414394b4f3d6e1ed64b8241d1fcc2271820
• https://git.kernel.org/stable/c/9b3f71cf02e04cfaa482155e3078707fe7f8aef4
• https://git.kernel.org/stable/c/e9eb52037a529fbb307c290e9951a62dd728b03d

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