Security readout for executives and security teams
Plain-English summary
A Chrome OS/Lacros browser flaw could let an attacker corrupt browser memory after persuading a user to perform specific UI interactions. The CVSS score is high because successful exploitation could affect confidentiality, integrity, and availability. The provided sources do not show active exploitation or CISA KEV listing.
Executive priority
Treat as a high-priority browser patching issue, especially for Chrome OS fleets. User interaction lowers urgency below emergency response, but browser memory corruption with high impact warrants prompt remediation.
Technical view
CVE-2022-3071 is a use-after-free in Chrome Tab Strip on Chrome OS/Lacros before 105.0.5195.52. It is network-reachable, requires no privileges, and requires user interaction. The record describes heap corruption via crafted UI interaction. Public technical detail is limited.
Likely exposure
Exposure is most relevant to Chrome OS devices and Lacros deployments running versions earlier than 105.0.5195.52. Validate managed browser and endpoint inventories by platform and version, not only generic Chrome presence.
Exploitation context
The provided record requires a remote attacker to convince a user to engage in specific UI interactions. No source in the bundle states active exploitation, public exploit availability, or inclusion in CISA KEV.
Researcher notes
The public bundle identifies the component, version boundary, CVSS vector, and broad exploit condition, but not deeper root cause or reproduction detail. Avoid assuming applicability beyond Chrome OS/Lacros unless vendor advisories confirm it.
Mitigation direction
- Update Chrome OS/Lacros to 105.0.5195.52 or later where applicable.
- Prioritize managed Chrome OS fleets and users with elevated business access.
- Check Google, Gentoo, and Fedora advisories for package-specific update guidance.
- Use browser management controls to enforce minimum supported versions.
Validation and detection
- Inventory Chrome OS and Lacros versions across managed endpoints.
- Flag systems running versions earlier than 105.0.5195.52.
- Confirm update deployment through endpoint management or browser reporting.
- Review helpdesk or telemetry for repeated browser crashes after suspicious UI activity.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-362: Exact CWE lookup
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Open ATT&CK lookupCVE-2022-3071 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://chromereleases.googleblog.com/2022/08/stable-channel-update-for-desktop_30.htmlCVE reference · x_refsource_MISC
- https://crbug.com/1333995CVE reference · x_refsource_MISC
- GLSA-202209-23CVE reference · vendor-advisory, x_refsource_GENTOO
- FEDORA-2022-3f28aa88cfCVE reference · vendor-advisory, x_refsource_FEDORA
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.