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TI-2022-01751 Aliases CVE-2022-1891GHSA-f95f-f57p-rc4m

Heap-based buffer overflow in Lenovo BIOS

Priority LOW 36CWE-122Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.

Summary

A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00353 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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
LenovoBIOSvarious—No fix listedCNA
  • BIOS VendorLenovo Affected various Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPEVersionsRoleVendor
cpe:2.3:o:lenovo:thinkbook_14-iml_firmware:*:*:*:*:*:*:*:*before cjcn38wwVulnerableLenovo
cpe:2.3:h:lenovo:thinkbook_14-iml:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkbook_14-iil_firmware:*:*:*:*:*:*:*:*before djcn28wwVulnerableLenovo
cpe:2.3:h:lenovo:thinkbook_14-iil:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkbook_15-iil_firmware:*:*:*:*:*:*:*:*before djcn28wwVulnerableLenovo
cpe:2.3:h:lenovo:thinkbook_15-iil:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkbook_15-iml_firmware:*:*:*:*:*:*:*:*before cjcn38wwVulnerableLenovo
cpe:2.3:h:lenovo:thinkbook_15-iml:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:yoga_c640-13iml_lte_firmware:*:*:*:*:*:*:*:*before chcn28wwVulnerableLenovo
cpe:2.3:h:lenovo:yoga_c640-13iml_lte:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
  • cpe:2.3:o:lenovo:thinkbook_14-iml_firmware:*:*:*:*:*:*:*:* Versions before cjcn38ww Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkbook_14-iml:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkbook_14-iil_firmware:*:*:*:*:*:*:*:* Versions before djcn28ww Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkbook_14-iil:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkbook_15-iil_firmware:*:*:*:*:*:*:*:* Versions before djcn28ww Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkbook_15-iil:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkbook_15-iml_firmware:*:*:*:*:*:*:*:* Versions before cjcn38ww Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkbook_15-iml:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:yoga_c640-13iml_lte_firmware:*:*:*:*:*:*:*:* Versions before chcn28ww Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:yoga_c640-13iml_lte:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:lenovo:yoga_c640-13iml_firmware:*:*:*:*:*:*:*:*before chcn28wwVulnerableLenovo
cpe:2.3:h:lenovo:yoga_c640-13iml:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
  • cpe:2.3:o:lenovo:yoga_c640-13iml_firmware:*:*:*:*:*:*:*:* Versions before chcn28ww Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:yoga_c640-13iml:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-1891
  2. 2026-10-03 Alias added: GHSA-f95f-f57p-rc4m

References

Advisory 1

  • TI-2022-01752 Heap-based buffer overflow in Lenovo BIOS CVSS 3.1HIGH 7.8
  • TI-2022-01750 Heap-based buffer overflow in Lenovo BIOS CVSS 3.1HIGH 7.8

Sources

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