CVE-2026-89575

Description

In the Linux kernel, the following vulnerability has been resolved: dm raid1: reserve space for NUL-terminator in build_constructor_string() Reserve space for the termination NUL after the maximum 20 decimal digits of a long long value to avoid buffer overflow in sprintf().

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EPSS — Exploit Prediction

0.0023

Probability of exploitation

0.13%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/01a0276706c7b6fb758a8e2ff9cf221a3dfcae97 https://git.kernel.org/stable/c/0a3657ebd6b517b60cdc5123894047616974e25b https://git.kernel.org/stable/c/1fcc9f9f35653c5ee1a8b144ec96ff3fc48532f7 https://git.kernel.org/stable/c/35ba81c93fe7392c973af9881640180490e76f34 https://git.kernel.org/stable/c/644140527ae494cedf3b5c0ecd16287deaea7a66 https://git.kernel.org/stable/c/73c37fe54cd056d07461b142ab0b8b81e1ef6ad8 https://git.kernel.org/stable/c/7b035983b895db3ae01d9855963d42541db42125 https://git.kernel.org/stable/c/f79b53ca3a68a46c6fc3b30b148d1dfb1b33ea8b

Frequently Asked Questions

What is CVE-2026-89575? +

In the Linux kernel, the following vulnerability has been resolved: dm raid1: reserve space for NUL-terminator in build_constructor_string() Reserve space for the termination NUL after the maximum 20 decimal digits of a long long value to avoid buffer overflow in sprintf().

How do I check if I'm vulnerable to CVE-2026-89575? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.