Linux Kernel RDMA/mlx4 SRQ Resource Leak Vulnerability
CVE-2026-46178 Published on May 28, 2026
RDMA/mlx4: Fix resource leak on error in mlx4_ib_create_srq()
In the Linux kernel, the following vulnerability has been resolved:
RDMA/mlx4: Fix resource leak on error in mlx4_ib_create_srq()
Sashiko points out that mlx4_srq_alloc() was not undone during error
unwind, add the missing call to mlx4_srq_free().
Products Associated with CVE-2026-46178
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Affected Versions
Linux:- Version 225c7b1feef1b41170f7037a5b10a65cd8a42c54 and below 53fd4c03558672ccb167754fbacbf045c7ab335c is affected.
- Version 225c7b1feef1b41170f7037a5b10a65cd8a42c54 and below 0be6ae614ca7fa53e7389e3c7462ed20abbd4192 is affected.
- Version 225c7b1feef1b41170f7037a5b10a65cd8a42c54 and below 5b3b220d54e6a3d77380cb7caa1ef79cb8f4fc94 is affected.
- Version 225c7b1feef1b41170f7037a5b10a65cd8a42c54 and below c5dc30da990045105c9762248d23076223e7878a is affected.
- Version 225c7b1feef1b41170f7037a5b10a65cd8a42c54 and below 0dbd619716fb07b7de1acd64fec673ee6e1adde7 is affected.
- Version 225c7b1feef1b41170f7037a5b10a65cd8a42c54 and below e01b8c9286c470b71a38acd320106f2c4f2826a1 is affected.
- Version 225c7b1feef1b41170f7037a5b10a65cd8a42c54 and below 388617f44d81604a760742a0b5de292d411e63e3 is affected.
- Version 225c7b1feef1b41170f7037a5b10a65cd8a42c54 and below c54c7e4cb679c0aaa1cb489b9c3f2cd98e63a44c is affected.
- Version 2.6.22 is affected.
- Before 2.6.22 is unaffected.
- Version 5.10.258, <= 5.10.* is unaffected.
- Version 5.15.209, <= 5.15.* is unaffected.
- Version 6.1.175, <= 6.1.* is unaffected.
- Version 6.6.140, <= 6.6.* is unaffected.
- Version 6.12.88, <= 6.12.* is unaffected.
- Version 6.18.30, <= 6.18.* is unaffected.
- Version 7.0.7, <= 7.0.* is unaffected.
- Version 7.1, <= * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.