CVE-2026-98221 json
KEYS: trusted: Fix tpm2_load_cmd() boundary check
published last mo. modified 23d ago also EUVD-2026-93149
- cvss
- —
- not scored
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 6%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Linux Linux 7.3
- linux Debian 12 6.1.190-1
- linux Debian 13 6.12.113-1
- linux Debian 14 7.2.8-1
- linux-6.12 Debian 12 6.12.113-1~deb12u1
debian advisories DEBIAN-CVE-2026-98221
- linux Ubuntu 22.04 LTS 5.15.0-202.212
- linux Ubuntu 24.04 LTS 6.8.0-149.149
- linux Ubuntu 26.04 LTS 7.0.0-42.42
- linux-aws Ubuntu 22.04 LTS 5.15.0-1119.126
- linux-aws Ubuntu 24.04 LTS 6.8.0-1069.74
- linux-aws Ubuntu 26.04 LTS 7.0.0-1016.17
- linux-gcp Ubuntu 22.04 LTS 5.15.0-1120.130
- linux-gcp Ubuntu 24.04 LTS 6.8.0-1073.81
ubuntu advisories UBUNTU-CVE-2026-98221
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- kernel-source Linux Micro 6.0 6.4.0-159998.55.1
- kernel-default Linux Micro 6.0 6.4.0-159998.55.1
- kernel-kvmsmall Linux Micro 6.0 6.4.0-159998.55.1
- kernel-default-base Linux Micro 6.0 6.4.0-159998.55.1.159998.21.42
- kernel-64kb SLE Module for Basesystem 15 SP7 6.4.0-150700.53.90.1
- kernel-syms SLE Module for Development Tools 15 SP7 6.4.0-150700.53.90.1
- kernel-azure SLE Module for Public Cloud 15 SP7 6.4.0-150700.53.90.1
- kernel-source SLE Module for Development Tools 15 SP7, SLE Module for Basesystem 15 SP7 6.4.0-150700.53.90.1
suse advisories SUSE-SU-2026:24550-1SUSE-SU-2026:5091-1
- kernel-source openSUSE Tumbleweed 7.2.10-1.1
opensuse advisories openSUSE-SU-2026:12131-1
- kernel Azure Linux 3.0 6.6.158.1-1
azure linux advisories AZL-105987
Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT
- git.kernel.org/stable/c/cc86227fea28aed86c1fb52a884560b4440da198 commit
- git.kernel.org/stable/c/b020b447338872440142fe8a57350a483da86b7a commit
- git.kernel.org/stable/c/3fd487c69ad3161e358c33c170bab0cf02a071b7 commit
- git.kernel.org/stable/c/5afa57ea91481c6c49f194b0f5a5c4d96a4d7348 commit
- git.kernel.org/stable/c/9ddbc5f4bb498aff8096a5231574858a4bffee4f commit
- git.kernel.org/stable/c/134825dfc971fbf2b1d0f58f0b3bce8332ad0afb commit
- git.kernel.org/stable/c/114f00d738f15dd8c7318369edcdc53dd6d08763 commit
Is CVE-2026-98221 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-98221 updated cvss 5.5
kernel: KEYS: trusted: Fix tpm2_load_cmd() boundary check
-
Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more Red Hat Enterprise Linux 10 kernel Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-9 Red Hat OpenShift Container Platform 5 openshift/ose-rhel-coreos-9affected: workaround, no fix available “Fix deferred”
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-8not affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-11).
Affected products
- Linux Linux
Classification
- Technology feeds
References
- git.kernel.org /stable/c/cc86227fea28aed86c1fb52a884560b4440da198
- git.kernel.org /stable/c/b020b447338872440142fe8a57350a483da86b7a
- git.kernel.org /stable/c/3fd487c69ad3161e358c33c170bab0cf02a071b7
- git.kernel.org /stable/c/5afa57ea91481c6c49f194b0f5a5c4d96a4d7348
- git.kernel.org /stable/c/9ddbc5f4bb498aff8096a5231574858a4bffee4f
- git.kernel.org /stable/c/134825dfc971fbf2b1d0f58f0b3bce8332ad0afb
- git.kernel.org /stable/c/114f00d738f15dd8c7318369edcdc53dd6d08763
Sources
- CVE List CVE-2026-98221
- NVD CVE-2026-98221
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