CVE-2022-1789: debian debian_linux NULL Pointer Dereference
Vulnerability summary
CVE-2022-1789 is a medium (CVSS 6.9) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 26.9% of scored vulnerabilities.
Not severe (CVSS 6.8, physical access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 15 · Related 7Timeline
- 31-05-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed with CR0.PG=0, the invlpg callback is not set and the result is a NULL pointer dereference.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · DebianEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST6.8MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.34%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.33% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: physical access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu72 products
- linux< 5.4.0-122.138 | < 5.15.0-41.44
- linux-aws< 5.4.0-1081.88 | < 5.15.0-1015.19
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
Debian2 products
- linux< 5.17.11-1
- debian_linuxEOL11.0
Fedoraproject1 product
- fedoraEOL34 | 35 | 36
Linux1 product
- linux_kernel< 5.8
Redhat1 product
5 vendors · 77 products
