CVE-2021-1095: debian debian_linux NULL Pointer Dereference
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-1095DEBIAN-CVE-2021-1095
Published 22-07-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-1095 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.5% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.40%
0%100%
Low · -0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 22-07-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handlers for all control calls with embedded parameters where dereferencing an untrusted pointer may lead to denial of service.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
-0.02 pp
From 0.41% on 19-09-2026
19-09-202619-10-2026
EPSS score0.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu14 products
- nvidia-graphics-drivers-304All versions (No fix recorded)
- nvidia-graphics-drivers-340All versions (No fix recorded)
- nvidia-graphics-drivers-384All versions (No fix recorded)
- nvidia-graphics-drivers-390< 390.144-0ubuntu0.18.04.1 | < 390.144-0ubuntu0.20.04.1
- nvidia-graphics-drivers-418-server< 418.211.00-0ubuntu0.18.04.1 | < 418.211.00-0ubuntu0.20.04.1
Debian2 products
- nvidia-graphics-drivers< 460.91.03-1
- debian_linuxEOL9.0
Nvidia2 products
- gpu_display_driver≥ 418.197.02, < 418.211.00 | ≥ 427.33, < 427.48 | ≥ 450.119.03, < 450.142.00 | ≥ 452.96, < 453.10 | ≥ 460.73.01, < 460.91.03 | ≥ 462.31, < 462.96
- nvidia gpu display driverAll GPU Driver versions
3 vendors · 18 products