CVE-2017-17856

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2017-17856
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17856.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2017-17856
Downstream
Related
Published
2017-12-27T17:08:20.297Z
Modified
2026-02-12T00:36:36.772646Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging the lack of stack-pointer alignment enforcement.

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
Fixed
a5ec6ae161d72f01411169a938fa5f8baea16e8f
Introduced
bebc6082da0a9f5d47a1ea2edc099bf671058bd4
Fixed
a5ec6ae161d72f01411169a938fa5f8baea16e8f

Affected versions

v4.*
v4.14
v4.15-rc1
v4.15-rc2
v4.15-rc3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17856.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "function_hash": "286965724805557831621405290921819353744",
            "length": 513.0
        },
        "signature_type": "Function",
        "target": {
            "file": "kernel/bpf/verifier.c",
            "function": "check_ptr_alignment"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@a5ec6ae161d72f01411169a938fa5f8baea16e8f",
        "id": "CVE-2017-17856-5498b2f4",
        "signature_version": "v1"
    },
    {
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "314652524730166034491522010103725163635",
                "295403013705235209877165538424800076985",
                "71018713512518131315035227273564569398",
                "32190137506371945864681877987437428800"
            ]
        },
        "signature_type": "Line",
        "target": {
            "file": "kernel/bpf/verifier.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@a5ec6ae161d72f01411169a938fa5f8baea16e8f",
        "id": "CVE-2017-17856-b5fe0065",
        "signature_version": "v1"
    }
]