VDB
CVE-2022-20567
CVE-2022-20567
PUBLISHED
CVSS 7.4 HIGH
Reported by google_android · Published December 16, 2022
In pppol2tp_create of l2tp_ppp.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186777253References: Upstream kernel
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| kernel | Amazon Linux | 4.14.299-223.520.amzn2 |
| perf | Amazon Linux | 4.14.299-223.520.amzn2 |
Risk scores
CVSS 3.1
7.4
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | Android | Android kernel |
| amazon:2 | kernel | 0 |
| amazon:2 | perf | 0 |
| n/a | Android | * |
| amazon:2 | kernel-tools-devel | 0 |
| amazon:2 | kernel-headers | 0 |
| amazon:2 | python-perf | 0 |
| amazon:2 | kernel-tools | 0 |
| amazon:2 | kernel-livepatch-4.14.299-223.520 | 0 |
| amazon:2 | kernel-devel | 0 |
Timeline
- Dec 5, 2022 CVE Published
- Dec 17, 2022 EPSS Score (30 in total, the first dated here)
- Mar 30, 2026 Distribution Patch (17 in total, the first dated here)
- Mar 30, 2026 Security Advisory (18 in total, the first dated here)
- Jul 9, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2022-20567
vulnetix vdb fixes CVE-2022-20567Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
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