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TI-2022-04051 Aliases CVE-2022-4434GHSA-55c3-g238-6jv4

Out-of-bounds read in Lenovo ThinkPad X13s

Priority LOW 31CWE-126Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

A buffer over-read vulnerability was reported in the ThinkPadX13s BIOS driver that could allow a local attacker with elevated privileges to cause information disclosure.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00188 8th percentileScored 2026-11-07
Fix Fixed ThinkPad X13s (Lenovo): 1.47

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LenovoThinkPad X13sbefore 1.471.47Patch availableCNA
  • ThinkPad X13s VendorLenovo Affected before 1.47 Fixed in 1.47 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:lenovo:thinkpad_x13s_firmware:*:*:*:*:*:*:*:*before 1.47VulnerableLenovo
cpe:2.3:h:lenovo:thinkpad_x13s:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
  • cpe:2.3:o:lenovo:thinkpad_x13s_firmware:*:*:*:*:*:*:*:* Versions before 1.47 Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkpad_x13s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo

Remediation

  • Fix · CNA ThinkPad X13s (Lenovo) Fixed in 1.47

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-4434
  2. 2026-10-03 Alias added: GHSA-55c3-g238-6jv4

References

Patch 1

  • TI-2022-04052 Out-of-bounds read in Lenovo ThinkPad X13s CVSS 3.1MEDIUM 6.7
  • TI-2022-04050 Out-of-bounds read in Lenovo ThinkPad X13s CVSS 3.1MEDIUM 6.7
  • TI-2022-04049 Out-of-bounds read in Lenovo ThinkPad X13s CVSS 3.1MEDIUM 6.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences