01 Record
CVE-2021-34392
Trusty TLK contains a vulnerability in the NVIDIA TLK kernel where an integer overflow in the tz_map_shared_mem function can bypass boundary checks, which might lead to denial of service.
MediumPUBLISHEDCNA: nvidia
CNA base score4.4 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
02 Description
Trusty TLK contains a vulnerability in the NVIDIA TLK kernel where an integer overflow in the tz_map_shared_mem function can bypass boundary checks, which might lead to denial of service.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.18% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 7.8% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-06-22 21:25Z5 YR AGO
- Last updated
- 2024-08-04 00:12Z2 YR AGO
- Reserved
- 2021-06-09
- Assigning CNA
- nvidia
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.4)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-190Integer Overflow or WraparoundBase
- Data version
- 5.1
- Document digest
- fd00da6719a6c33394f53f3e8d2254a5be22b6f72ecab46a5c25ef84223cb52a
05 Affected products
VendorProductVersionsPlatforms
06 References
- nvidia.custhelp.comhttps://nvidia.custhelp.com/app/answers/detail/a_id/5205