Home/CVE/An issue was discovered in the Linux kernel before 4.18.7. In create_qp_common in drivers/infiniband/hw/mlx5/qp.c, mlx5_
CVE

CVE-2018-20855

An issue was discovered in the Linux kernel before 4.18.7. In create_qp_common in drivers/infiniband/hw/mlx5/qp.c, mlx5_

An issue was discovered in the Linux kernel before 4.18.7. In create_qp_common in drivers/infiniband/hw/mlx5/qp.c, mlx5_ib_create_qp_resp was never initialized, resulting in a leak of stack memory to userspace.

LOW · CVSS 3.3 EPSS 0.00107
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

6
linux kernel< 4.18.7
opensuse leapall versions
netapp active iq performance analytics servicesall versions
netapp active iq unified manager>= 9.5
netapp data availability servicesall versions
netapp element softwareall versions
▣

Scoring & Timeline

3.3
LOW · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Jul 2019 · 05:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
⚑

Vendor Advisories

14
suse-csafSUSE-SU-2019:2450-1
suse-csafSUSE-SU-2019:2430-1
suse-csafSUSE-SU-2019:2299-1
suse-csafSUSE-SU-2019:2262-1
suse-csafSUSE-SU-2019:2263-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.htmlThird Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7Mailing ListRelease NotesVendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0625b4ba1a5d4703c7fb01c497bd6c156908af00Mailing ListPatchVendor Advisory
https://github.com/torvalds/linux/commit/0625b4ba1a5d4703c7fb01c497bd6c156908af00PatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20190905-0002/Third Party Advisory
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