What’s Vulnerable › Vulnerabilities

CVE-2024-53226: RDMA/hns: Fix NULL pointer derefernce in hns_roce_map_mr_sg()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-12-27 · updated 2026-08-04
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix NULL pointer derefernce in hns_roce_map_mr_sg() ib_map_mr_sg() allows ULPs to specify NULL as the sg_offset argument. The driver needs to check whether it is a NULL pointer before dereferencing it.

Affected products

• Linux kernel: from 5.10.224 before 5.10.231; from 5.15.165 before 5.15.174; from 6.1.103 before 6.1.120; from 6.6.44 before 6.6.64; from 6.10.3 before 6.11.11; from 6.12 before 6.12.2 — fixed in 5.10.231, 5.15.174, 6.1.120, 6.11.11, 6.12.2, 6.6.64

How to fix

Upgrade to a fixed version: Linux kernel 5.10.231, 5.15.174, 6.1.120, 6.11.11. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/35f5b68f63aac61d30ce0b0c6beb09b8845a3e65
• https://git.kernel.org/stable/c/52617e76f4963644db71dc0a17e998654dc0c7f4
• https://git.kernel.org/stable/c/6b0d7d6e6883d0ec70cd7b5a02c47c003d5defe7
• https://git.kernel.org/stable/c/6b526d17eed850352d880b93b9bf20b93006bd92
• https://git.kernel.org/stable/c/71becb0e9df78a8d43dfd0efcef18c830a0af477
• https://git.kernel.org/stable/c/8c269bb2cc666ca580271e1a8136c63ac9162e1e
• https://git.kernel.org/stable/c/bd715e191d444992d6ed124f15856da5c1cae2de
• https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
• https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

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