5.7

CVE-2025-68235: nouveau/firmware: Add missing kfree() of nvkm_falcon_fw::boot

Deferred
AliasesUBUNTU-CVE-2025-68235DEBIAN-CVE-2025-68235
Published 16-12-2025Last modified 11-05-2026

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.

Priority
Routine

Not severe (CVSS 5.7, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.7/10
010
Medium · v4.0 (OSV · Ubuntu), selected by version preference
EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 31 · Related 29

Timeline

  1. 16-12-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last 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 version

EPSS 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

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

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

References

25 links
Show all 25 references