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CVE-2022-20154

22
FAUCET Score

CVE-2022-20154 describes a use-after-free vulnerability in the Android kernel's sock.c, specifically within the lock_sock_nested function, caused by a race condition. This flaw could enable a local attacker with System execution privileges to achieve escalation of privilege on affected Android devices. The vulnerability carries a CVSS score of 6.4 (Medium), indicating a local attack vector with high attack complexity, but no user interaction is required. A successful exploit could lead to high impacts on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness and a lack of widespread attention.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.4MEDIUM

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.5
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.11%
Probability of exploitation in next 30 days
EPSS Percentile
1.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0011 is in the 24th percentile among its peer group of 418 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (5)

googlevendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-20154Moderate

kernel: possible use after free in lock_sock_nested of sock.c for the SCTP protocol

Jun 15, 2022

References

source.android.com / security/bulletin/pixel/2022-06-01
Vendor Advisory