What’s Vulnerable › Vulnerabilities

CVE-2025-71147: KEYS: trusted: Fix a memory leak in tpm2_load_cmd

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-23 · updated 2026-10-19
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix a memory leak in tpm2_load_cmd 'tpm2_load_cmd' allocates a tempoary blob indirectly via 'tpm2_key_decode' but it is not freed in the failure paths. Address this by wrapping the blob into with a cleanup helper.

Affected products

• Linux kernel: from 5.13 before 5.15.198; from 5.16 before 6.1.160; from 6.2 before 6.6.120; from 6.7 before 6.12.64; from 6.13 before 6.18.3 — fixed in 5.15.198, 6.1.160, 6.12.64, 6.18.3, 6.6.120

How to fix

Upgrade to a fixed version: Linux kernel 5.15.198, 6.1.160, 6.12.64, 6.18.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/19166de9737218b77122c41a5730ac87025e089f
• https://git.kernel.org/stable/c/3fd7df4636d8fd5e3592371967a5941204368936
• https://git.kernel.org/stable/c/62cd5d480b9762ce70d720a81fa5b373052ae05f
• https://git.kernel.org/stable/c/9b015f2918b95bdde2ca9cefa10ef02b138aae1e
• https://git.kernel.org/stable/c/9e7c63c69f57b1db1a8a1542359a6167ff8fcef1
• https://git.kernel.org/stable/c/af0689cafb127a8d1af78cc8b72585c9b2a19ecd

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