What’s Vulnerable › Vulnerabilities

CVE-2026-98533: ipe: protect the dm-verity root hash with RCU

• 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: 2026-10-18 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: ipe: protect the dm-verity root hash with RCU ipe_bdev_setintegrity() frees the old root hash when dm-verity publishes a new one on ->preresume, while policy evaluation can still be dereferencing it. Protect the root hash with RCU. The evaluation path already runs under rcu_read_lock(). [FW: remove model name according to latest guideline]

Affected products

• Linux kernel: 6.12 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2776e9c28513a1c855a94792b292cbcc533418c8
• https://git.kernel.org/stable/c/3bd335ed62444bec61201df7d368a0779e5bd300
• https://git.kernel.org/stable/c/599d0498a39319285afa908762e0c9fad29f772e
• https://git.kernel.org/stable/c/d7c5bd3159235edb0f2febe2cd3d3b0fb53986f1

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