CVE-2024-38539

/// Technical description

In the Linux kernel, the following vulnerability has been resolved:

RDMA/cma: Fix kmemleak in rdma_core observed during blktests nvme/rdma use siw

When running blktests nvme/rdma, the following kmemleak issue will appear.

kmemleak: Kernel memory leak detector initialized (mempool available:36041)

kmemleak: Automatic memory scanning thread started

kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)

kmemleak: 8 new suspected memory leaks (see /sys/kernel/debug/kmemleak)

kmemleak: 17 new suspected memory leaks (see /sys/kernel/debug/kmemleak)

kmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak)

unreferenced object 0xffff88855da53400 (size 192):

comm "rdma", pid 10630, jiffies 4296575922

hex dump (first 32 bytes):

37 00 00 00 00 00 00 00 c0 ff ff ff 1f 00 00 00 7...............

10 34 a5 5d 85 88 ff ff 10 34 a5 5d 85 88 ff ff .4.].....4.]....

backtrace (crc 47f66721):

[<ffffffff911251bd>] kmalloc_trace+0x30d/0x3b0

[<ffffffff

/// Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

/// References