CVE-2021-47407

Source
https://cve.org/CVERecord?id=CVE-2021-47407
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47407.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-47407
Downstream
Related
Published
2024-05-21T15:15:26.247Z
Modified
2026-03-10T23:51:38.705107Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

KVM: x86: Handle SRCU initialization failure during page track init

Check the return of initsrcustruct(), which can fail due to OOM, when initializing the page track mechanism. Lack of checking leads to a NULL pointer deref found by a modified syzkaller.

[Move the call towards the beginning of kvmarchinit_vm. - Paolo]

References

Affected packages

Git /

Affected ranges

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47407.json"
unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "5.10.71"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "5.11"
            },
            {
                "fixed": "5.14.10"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.15-rc1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.15-rc2"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.15-rc3"
            }
        ]
    }
]