CVE-2026-98221: linux

CVSS: UnknownReceived
AliasesUBUNTU-CVE-2026-98221DEBIAN-CVE-2026-98221
Published 06-10-2026Last modified 19-10-2026

Vulnerability summary

CVE-2026-98221 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.3% 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
0.17%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 06-10-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix tpm2_load_cmd() boundary check tpm2_load_cmd() does boundary checks against the ASN.1 size i.e., payload->blob_len. Address this by passing the decoded blob size to tpm2_load_cmd(), and use it for the boundary checks.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

06-10-202621-10-2026
EPSS score
0.17%

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

Ubuntu157 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) | < 6.1.190-1 | < 6.12.113-1 | < 7.2.8-1
Linux1 product
  • linux≥ f2219745250f388edacabe6cca73654131c67d0a, < cc86227fea28aed86c1fb52a884560b4440da198 | ≥ f2219745250f388edacabe6cca73654131c67d0a, < b020b447338872440142fe8a57350a483da86b7a | ≥ f2219745250f388edacabe6cca73654131c67d0a, < 3fd487c69ad3161e358c33c170bab0cf02a071b7 | ≥ f2219745250f388edacabe6cca73654131c67d0a, < 5afa57ea91481c6c49f194b0f5a5c4d96a4d7348 | ≥ f2219745250f388edacabe6cca73654131c67d0a, < 9ddbc5f4bb498aff8096a5231574858a4bffee4f | ≥ f2219745250f388edacabe6cca73654131c67d0a, < 134825dfc971fbf2b1d0f58f0b3bce8332ad0afb | ≥ f2219745250f388edacabe6cca73654131c67d0a, < 114f00d738f15dd8c7318369edcdc53dd6d08763 | 5.13

3 vendors · 159 products

References

11 links
Show all 11 references