In the Linux kernel, the following vulnerability has been resolved:
RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init()
mlx5_ib_dev_res_srq_init() allocates two SRQs, s0 and s1. When
ib_create_srq() fails for s1, the error branch destroys s0 but falls
through and unconditionally assigns the freed s0 and the ERR_PTR s1 to
devr->s0 and devr->s1.
This leads to several problems: the lock-free fast path checks
"if (devr->s1) return 0;" and treats the ERR_PTR as already initialised;
users in mlx5_ib_create_qp() dereference the freed SRQ or ERR_PTR via
to_msrq(devr->s0)->msrq.srqn; and mlx5_ib_dev_res_cleanup() dereferences
the ERR_PTR and double-frees s0 on teardown.
Fix by adding the same `goto unlock` in the s1 failure path.
References
Configurations
Configuration 1 (hide)
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History
10 Jun 2026, 21:15
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | NVD-CWE-noinfo | |
| First Time |
Linux linux Kernel
Linux |
|
| CPE | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* |
|
| References | () https://git.kernel.org/stable/c/6fd93142dd1d09000c3750af08270f5792523fe9 - Patch | |
| References | () https://git.kernel.org/stable/c/a13c2ac4d480b734342c6fbf8249fc48afd675f3 - Patch | |
| References | () https://git.kernel.org/stable/c/b087913ae88256df66620f7ba0a9776716aeef7e - Patch | |
| References | () https://git.kernel.org/stable/c/bc2cf5935b4665172235341163315905197ae91d - Patch | |
| References | () https://git.kernel.org/stable/c/c488df06bd552bb8b6e14fa0cfd5ad986c6e9525 - Patch |
30 May 2026, 11:17
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.8 |
28 May 2026, 10:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-05-28 10:16
Updated : 2026-06-10 21:15
NVD link : CVE-2026-46176
Mitre link : CVE-2026-46176
CVE.ORG link : CVE-2026-46176
JSON object : View
Products Affected
linux
- linux_kernel
CWE