Vulnerability Details : 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).
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2019-19065
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 12 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2019-19065
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.7
|
MEDIUM | AV:L/AC:M/Au:N/C:N/I:N/A:C |
3.4
|
6.9
|
NIST |
|
4.7
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.0
|
3.6
|
NIST |
CWE ids for CVE-2019-19065
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-19065
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http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
[security-announce] openSUSE-SU-2019:2675-1: important: Security updateMailing List;Third Party Advisory
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https://github.com/torvalds/linux/commit/34b3be18a04ecdc610aae4c48e5d1b799d8689f6
RDMA/hfi1: Prevent memory leak in sdma_init · torvalds/linux@34b3be1 · GitHubPatch;Third Party Advisory
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https://usn.ubuntu.com/4210-1/
USN-4210-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
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https://security.netapp.com/advisory/ntap-20191205-0001/
November 2019 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
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https://usn.ubuntu.com/4208-1/
USN-4208-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
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https://usn.ubuntu.com/4226-1/
USN-4226-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
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https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9
Release Notes;Vendor Advisory
Products affected by CVE-2019-19065
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*