What’s Vulnerable › Vulnerabilities

CVE-2026-98902: md/raid5: let stripe batch bm_seq comparison wrap-safe

• 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: 2026-10-23 · updated 2026-10-26

Description

In the Linux kernel, the following vulnerability has been resolved: md/raid5: let stripe batch bm_seq comparison wrap-safe Once the 32-bit seq wraps, a newer bm_seq can look smaller than old, so .. covert to wrap-safe calculate way.

Affected products

• Linux kernel: before 5.10.271; before 5.15.222; before 6.1.189; before 6.6.158; before 6.12.111; before 6.18.53 — fixed in 5.10.271, 5.15.222, 6.1.189, 6.12.111, 6.18.53, 6.6.158

How to fix

Upgrade to a fixed version: Linux kernel 5.10.271, 5.15.222, 6.1.189, 6.12.111. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/00e93faf4cea9e8802ac5dfee0952d84fc95c40f
• https://git.kernel.org/stable/c/2fdc51228d9a8cad2d727d5aef732cc66fc6d56e
• https://git.kernel.org/stable/c/628b14d0744bd5dfe176ea93559071cdcde14255
• https://git.kernel.org/stable/c/647c7289a3960118e249c0a53da6f1ebba1e47a3
• https://git.kernel.org/stable/c/c5c89e1a872a84019f674f5107111e6e6b7cc30f
• https://git.kernel.org/stable/c/cc8eb1715673de850f14376782151f68f73ae3ce
• https://git.kernel.org/stable/c/ffdd3aee932fc293456678f6b0200ffe9bf12a6d

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