CVE-2018-20855

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Source
https://cve.org/CVERecord?id=CVE-2018-20855
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-20855.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-20855
Downstream
Related
Published
2019-07-26T05:15:10.423Z
Modified
2026-03-20T03:23:27.200005Z
Severity
  • 3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

An issue was discovered in the Linux kernel before 4.18.7. In createqpcommon in drivers/infiniband/hw/mlx5/qp.c, mlx5ibcreateqpresp was never initialized, resulting in a leak of stack memory to userspace.

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
0625b4ba1a5d4703c7fb01c497bd6c156908af00
Type
GIT
Repo
https://github.com/torvalds/linux
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
0625b4ba1a5d4703c7fb01c497bd6c156908af00
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
0625b4ba1a5d4703c7fb01c497bd6c156908af00
Type
GIT
Repo
https://github.com/torvalds/linux
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
0625b4ba1a5d4703c7fb01c497bd6c156908af00

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "4.18.7"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "15.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "15.1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "9.5"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "4.18.7"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-20855.json"