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CVE-2026-98221

KEYS: trusted: Fix tpm2_load_cmd() boundary check

N/A
Published: October 6, 2026 at 08:44 AM UTC
Updated: October 19, 2026 at 10:18 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
5.13f2219745250f388edacabe6cca73654131c67d0a
Vendor states this is fixed in 5.13 (unaffected)
Vendor states this is fixed in 5.15.* (unaffected)
Vendor states this is fixed in 5.15.222 (unaffected)
Vendor states this is fixed in 6.1.* (unaffected)
Vendor states this is fixed in 6.1.189 (unaffected)
Vendor states this is fixed in 6.12.* (unaffected)
Vendor states this is fixed in 6.12.112 (unaffected)
Vendor states this is fixed in 6.18.* (unaffected)
Vendor states this is fixed in 6.18.54 (unaffected)
Vendor states this is fixed in 6.6.* (unaffected)
Vendor states this is fixed in 6.6.158 (unaffected)
Vendor states this is fixed in 7.2.* (unaffected)
Vendor states this is fixed in 7.2.8 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

Source: cverecord
https://git.kernel.org/stable/c/cc86227fea28aed86c1fb52a884560b4440da198
Source: cverecord
https://git.kernel.org/stable/c/b020b447338872440142fe8a57350a483da86b7a
Source: cverecord
https://git.kernel.org/stable/c/3fd487c69ad3161e358c33c170bab0cf02a071b7
Source: cverecord
https://git.kernel.org/stable/c/5afa57ea91481c6c49f194b0f5a5c4d96a4d7348
Source: cverecord
https://git.kernel.org/stable/c/9ddbc5f4bb498aff8096a5231574858a4bffee4f
Source: cverecord
https://git.kernel.org/stable/c/134825dfc971fbf2b1d0f58f0b3bce8332ad0afb
Source: cverecord
https://git.kernel.org/stable/c/114f00d738f15dd8c7318369edcdc53dd6d08763

Quick Info

StatusRECEIVED

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