CVE-2025-71147: KEYS: trusted: Fix a memory leak in tpm2_load_cmd
Vulnerability summary
CVE-2025-71147 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.5% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 46 · Related 43Timeline
- 23-01-2026PublishedVulnerability first disclosed.
- 19-10-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.14%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.13% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu144 products
- linux< 5.15.0-173.183 | < 6.8.0-110.110 | < 6.17.0-22.22
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1103.110 | < 6.8.0-1052.55 | < 6.17.0-1012.12
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ f2219745250f388edacabe6cca73654131c67d0a, < 3fd7df4636d8fd5e3592371967a5941204368936 | ≥ f2219745250f388edacabe6cca73654131c67d0a, < af0689cafb127a8d1af78cc8b72585c9b2a19ecd | ≥ f2219745250f388edacabe6cca73654131c67d0a, < 19166de9737218b77122c41a5730ac87025e089f | ≥ f2219745250f388edacabe6cca73654131c67d0a, < 9b015f2918b95bdde2ca9cefa10ef02b138aae1e | ≥ f2219745250f388edacabe6cca73654131c67d0a, < 9e7c63c69f57b1db1a8a1542359a6167ff8fcef1 | ≥ f2219745250f388edacabe6cca73654131c67d0a, < 62cd5d480b9762ce70d720a81fa5b373052ae05f | 5.13
- linux_kernel≥ 5.13, < 5.15.198 | ≥ 5.16, < 6.1.160 | ≥ 6.2, < 6.6.120 | ≥ 6.7, < 6.12.64 | ≥ 6.13, < 6.18.3
Debian1 product
- linux< 6.1.162-1 | < 6.12.69-1 | < 6.18.3-1
3 vendors · 147 products