Security readout for executives and security teams
Plain-English summary
CVE-2022-3042 is a high-severity Chrome issue tied to PhoneHub on Chrome OS before 105.0.5195.52. A victim would need to open a crafted HTML page, after which memory corruption could potentially affect confidentiality, integrity, and availability.
Executive priority
Treat this as a timely browser patching issue, not an emergency exploit incident based on the supplied evidence. Prioritize rapid update confirmation for Chrome OS fleets and any managed Chromium packages.
Technical view
The source bundle describes a use-after-free condition in PhoneHub leading to potential heap corruption through crafted HTML. CVSS 3.1 is 8.8 with network attack vector, low complexity, no privileges, and required user interaction. The bundle lists CWE-362, although the description says use-after-free.
Likely exposure
Exposure is most likely in Chrome or Chrome OS deployments below 105.0.5195.52. The provided affected-product data is sparse, so vulnerability managers should validate against vendor advisories and package-specific scanner results.
Exploitation context
The bundle does not show CISA KEV listing or other evidence of active exploitation. The plausible attack context is remote delivery of a crafted web page that a user must visit.
Researcher notes
Key uncertainty is product/version granularity: the description names Chrome OS PhoneHub before 105.0.5195.52, while the affected list is broad. The crbug reference is included, but the bundle provides no public technical detail, exploit proof, or patch diff.
Mitigation direction
- Update Chrome on Chrome OS to 105.0.5195.52 or later.
- Prioritize managed Chrome OS devices below the fixed version.
- Review Gentoo and Fedora advisories for relevant Chromium package updates.
- Check current vendor guidance for any superseding fixes.
- Limit untrusted browsing for high-risk users until updates are confirmed.
Validation and detection
- Inventory Chrome and Chrome OS versions across managed endpoints.
- Flag installations older than 105.0.5195.52 for remediation.
- Confirm update telemetry shows fixed versions or newer.
- Review browser policies for update deferrals or pinned versions.
- Verify scanners map CVE-2022-3042 to relevant Chrome or Chromium packages.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-362: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-3042 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/1338553CVE 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.