CVE-2021-34406: nvidia shield_experience NULL Pointer Dereference
CVSS: 4.7v3.1MediumModified
Published 18-01-2022Last modified 04-08-2024
Vulnerability summary
CVE-2021-34406 is a medium (CVSS 4.7) NULL Pointer Dereference vulnerability in nvidia shield_experience. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 7.7% of scored vulnerabilities.
CVSS score
4.7/10
010
Medium · v3.1 (CVE.org)EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 18-01-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
NVIDIA Tegra kernel driver contains a vulnerability in NVHost, where a specific race condition can lead to a null pointer dereference, which may lead to a system reboot.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 4.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST4.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 4.7Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
0.00 pp
From 0.19% on 19-09-2026
19-09-202619-10-2026
EPSS score0.19%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-476NULL Pointer DereferenceThe product dereferences a pointer that it expects to be valid but is NULL.
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Affected systems
Nvidia2 products
- shield_experience< 9.0
- shield_tv_firmwareAll versions prior to SE 9.0
1 vendor · 2 products