What’s Vulnerable › Vulnerabilities

CVE-2026-46117: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss()

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-28 · updated 2026-10-19
• Weakness: CWE-617

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() Sashiko points out that the user can specify WQs sharing the same CQ as a part of the uAPI and this will trigger the WARN_ON() then go on to corrupt the kernel. Just reject it outright and fail the QP creation.

Affected products

• Linux kernel: from 6.8 before 6.12.91; from 6.13 before 6.18.30; from 6.19 before 7.0.7; 7.1-rc1, 7.1-rc2 — fixed in 6.12.91, 6.18.30, 7.0.7

How to fix

Upgrade to a fixed version: Linux kernel 6.12.91, 6.18.30, 7.0.7. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/159f2efabc89d3f931d38f2d35876535d4abf0a3
• https://git.kernel.org/stable/c/9cc0c6b1ba8cd5c55aef043e1384de0a8b4efa71
• https://git.kernel.org/stable/c/9ef65af26b2a6738bf15812042e84b3112402d3a
• https://git.kernel.org/stable/c/db991ba50087ad99fa12a2c483aa3be19671ea73
• https://access.redhat.com/errata/RHSA-2026:27789
• https://access.redhat.com/errata/RHSA-2026:30129
• https://access.redhat.com/errata/RHSA-2026:42550
• https://access.redhat.com/errata/RHSA-2026:42552
• https://access.redhat.com/errata/RHSA-2026:65712
• https://access.redhat.com/errata/RHSA-2026:67720
• https://access.redhat.com/security/cve/CVE-2026-46117
• https://bugzilla.redhat.com/show_bug.cgi?id=2482576

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