CVE-2025-68235: nouveau/firmware: Add missing kfree() of nvkm_falcon_fw::boot
Vulnerability summary
CVE-2025-68235 is a medium (CVSS 5.7) vulnerability in linux. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.2% of scored vulnerabilities.
Not severe (CVSS 5.7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 31 · Related 29Timeline
- 16-12-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: nouveau/firmware: Add missing kfree() of nvkm_falcon_fw::boot nvkm_falcon_fw::boot is allocated, but no one frees it. This causes a kmemleak warning. Make sure this data is deallocated.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.19% 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 causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu130 products
- linux< 6.8.0-106.106 | < 6.17.0-19.19
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1050.53 | < 6.17.0-1009.9
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.12.63-1 | < 6.17.10-1
Linux1 product
- linux≥ 2541626cfb794e57ba0575a6920826f591f7ced0, < 7d1977b4ae5c50e1aafc5c51500fc08bd7afd6a0 | ≥ 2541626cfb794e57ba0575a6920826f591f7ced0, < 6492add9a3a163d5e0390428d2636adc3e61b883 | ≥ 2541626cfb794e57ba0575a6920826f591f7ced0, < 2bba02a39bfb383bd1a95868d532c0917e38f9e7 | ≥ 2541626cfb794e57ba0575a6920826f591f7ced0, < 949f1fd2225baefbea2995afa807dba5cbdb6bd3 | 6.2
3 vendors · 132 products