CVE-2026-98221: linux
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.
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 06-10-2026PublishedVulnerability first disclosed.
- 19-10-2026Last 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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo 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