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CVE-2025-71068: svcrdma: bound check rq_pages index in inline path

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-13 · updated 2026-10-19
• Weakness: CWE-125

Description

In the Linux kernel, the following vulnerability has been resolved: svcrdma: bound check rq_pages index in inline path svc_rdma_copy_inline_range indexed rqstp->rq_pages[rc_curpage] without verifying rc_curpage stays within the allocated page array. Add guards before the first use and after advancing to a new page.

Affected products

• Linux kernel: from 5.11 before 5.15.198; from 6.0 before 6.6.120; from 6.12 before 6.12.64; from 6.18 before 6.18.3; 6.19-rc1, 6.19-rc2, 6.19-rc3, 6.19-rc4, 6.19-rc5, 6.19-rc6 (+2) — fixed in 5.15.198, 6.12.64, 6.18.3, 6.6.120

How to fix

Upgrade to a fixed version: Linux kernel 5.15.198, 6.12.64, 6.18.3, 6.6.120. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/5f140b525180c628db8fa6c897f138194a2de417
• https://git.kernel.org/stable/c/7ba826aae1d43212f3baa53a2175ad949e21926e
• https://git.kernel.org/stable/c/a22316f5e9a29e4b92030bd8fb9435fe0eb1d5c9
• https://git.kernel.org/stable/c/d1bea0ce35b6095544ee82bb54156fc62c067e58
• https://git.kernel.org/stable/c/da1ccfc4c452541584a4eae89e337cfa21be6d5a

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