CVE-2019-19065

A memory leak in the sdma_init() function in drivers/infiniband/hw/hfi1/sdma.c in the Linux kernel before 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering rhashtable_init() failures, aka CID-34b3be18a04e. NOTE: This has been disputed as not a vulnerability because "rhashtable_init() can only fail if it is passed invalid values in the second parameter's struct, but when invoked from sdma_init() that is a pointer to a static const struct, so an attacker could only trigger failure if they could corrupt kernel memory (in which case a small memory leak is not a significant problem).

• CWE-401

• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlMailing List, Third Party Advisory
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9Release Notes, Vendor Advisory
• https://github.com/torvalds/linux/commit/34b3be18a04ecdc610aae4c48e5d1b799d8689f6Patch, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20191205-0001/Third Party Advisory
• https://usn.ubuntu.com/4208-1/Third Party Advisory
• https://usn.ubuntu.com/4210-1/Third Party Advisory
• https://usn.ubuntu.com/4226-1/Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlMailing List, Third Party Advisory
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9Release Notes, Vendor Advisory
• https://github.com/torvalds/linux/commit/34b3be18a04ecdc610aae4c48e5d1b799d8689f6Patch, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20191205-0001/Third Party Advisory
• https://usn.ubuntu.com/4208-1/Third Party Advisory
• https://usn.ubuntu.com/4210-1/Third Party Advisory
• https://usn.ubuntu.com/4226-1/Third Party Advisory

Published

Nov 18, 2019

Last Modified

Jun 17, 2026

Status

Modified

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