CVE-2026-90421: linux

CVSS: UnknownReceived
AliasesUBUNTU-CVE-2026-90421DEBIAN-CVE-2026-90421
Published 17-09-2026Last modified 21-10-2026
Open JSON

Vulnerability summary

CVE-2026-90421 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9% of scored vulnerabilities.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.20%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2026:11893-1

Timeline

  1. 17-09-2026
    PublishedVulnerability first disclosed.
  2. 21-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix UAF when probe runs concurrent to dyn ID removal Dynamic IDs are only guaranteed to be valid when dynids.lock is held, as remove_id_store() can free the node. Thus, make a copy in pci_match_device(). Also, clarify that the id parameter is only valid during probe.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

+0.01 pp

From 0.19% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.20%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu169 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linuxAll versions (No fix recorded) | < 7.2.6-1
Linux1 product
  • linux≥ 0994375e9614f78657031e04e30019b9cdb62795, < d867db0a2602919510f346bc555f7b3093f6b6cc | ≥ 0994375e9614f78657031e04e30019b9cdb62795, < 2cbcb0819c6367e1d5b0792a960594cc19576e23 | ≥ 0994375e9614f78657031e04e30019b9cdb62795, < c36816feff47f676dcc51919777d483f4146c1ee | ≥ 0994375e9614f78657031e04e30019b9cdb62795, < 42a5661ff7e4c7d3c5025d0f8e5079fb5479ea49 | ≥ 0994375e9614f78657031e04e30019b9cdb62795, < 3ffc4c9690c33ee28cdb3d0182b12f9c623e3acc | 2.6.30

3 vendors · 171 products

References

9 links