7.8

CVE-2025-38206: exfat: fix double free in delayed_free

Modified
AliasesUBUNTU-CVE-2025-38206DEBIAN-CVE-2025-38206CGA-233h-jx45-fj52
Published 04-07-2025Last modified 02-09-2026

Vulnerability summary

CVE-2025-38206 is a high (CVSS 7.8) Double Free vulnerability in debian debian_linux. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.19%
0%100%
Low · +0.01 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 104 · Related 96
DLA-4327-1RHSA-2026:3066RHSA-2026:3275RHSA-2026:4246RHSA-2026:4745RHSA-2026:6948

Showing 100 of 105.

Timeline

  1. 04-07-2025
    PublishedVulnerability first disclosed.
  2. 02-09-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: exfat: fix double free in delayed_free The double free could happen in the following path. exfat_create_upcase_table() exfat_create_upcase_table() : return error exfat_free_upcase_table() : free ->vol_utbl exfat_load_default_upcase_table : return error exfat_kill_sb() delayed_free() exfat_free_upcase_table() <--------- double free This patch set ->vol_util as NULL after freeing it.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.18% 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

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu136 products
  • linux< 5.15.0-156.166 | All versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1092.99 | All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Chainguard5 products
  • linux-aws-6.12< 6.12.77-r0 | < 6.12.65-r2 | < 6.12.65-r0 | < 6.12.69-r0 | < 6.12.78-r0 | < 6.12.74-r1 | < 6.12.80-r0 | < 6.12.67-r0 | < 6.12.68-r1 | < 6.12.65-r1 | < 6.12.72-r0 | < 6.12.74-r0 | < 6.12.77-r1 | < 6.12.71-r0 | < 6.12.66-r0 | < 6.12.68-r0 | < 6.12.76-r0 | < 6.12.77-r2 | < 6.12.70-r0 | < 6.12.72-r1
  • linux-azure-6.12< 6.12.72-r0 | < 6.12.77-r1 | < 6.12.70-r0 | < 6.12.65-r2 | < 6.12.65-r1 | < 6.12.76-r0 | < 6.12.77-r2 | < 6.12.77-r0 | < 6.12.74-r0 | < 6.12.71-r0 | < 6.12.66-r0 | < 6.12.65-r3 | < 6.12.69-r0 | < 6.12.67-r0 | < 6.12.80-r0 | < 6.12.78-r0 | < 6.12.68-r0 | < 6.12.65-r4 | < 6.12.74-r1
  • linux-gcp-6.12< 6.12.78-r0 | < 6.12.65-r2 | < 6.12.69-r0 | < 6.12.68-r0 | < 6.12.70-r0 | < 6.12.72-r0 | < 6.12.77-r1 | < 6.12.77-r0 | < 6.12.80-r0 | < 6.12.74-r1 | < 6.12.65-r1 | < 6.12.67-r0 | < 6.12.74-r0 | < 6.12.77-r2 | < 6.12.76-r0 | < 6.12.66-r0 | < 6.12.68-r1 | < 6.12.71-r0
  • linux-qemu-6.12< 6.12.65-r2 | < 6.12.77-r1 | < 6.12.78-r0 | < 6.12.66-r0 | < 6.12.71-r0 | < 6.12.77-r0 | < 6.12.68-r0 | < 6.12.74-r1 | < 6.12.67-r0 | < 6.12.72-r0 | < 6.12.65-r1 | < 6.12.80-r0 | < 6.12.77-r2 | < 6.12.70-r0 | < 6.12.74-r0 | < 6.12.69-r0 | < 6.12.76-r0
  • linux-vmware-6.12< 6.12.66-r0 | < 6.12.68-r0 | < 6.12.71-r0 | < 6.12.77-r1 | < 6.12.78-r0 | < 6.12.68-r1 | < 6.12.67-r0 | < 6.12.77-r0 | < 6.12.74-r0 | < 6.12.77-r2 | < 6.12.69-r0 | < 6.12.65-r1 | < 6.12.74-r1 | < 6.12.76-r0 | < 6.12.65-r2 | < 6.12.80-r0 | < 6.12.70-r0 | < 6.12.72-r0
Debian3 products
  • linux< 6.1.187-1 | < 6.12.111-1 | < 6.16.3-1
  • linux-6.12< 6.12.111-1~deb12u1
  • debian_linuxEOL11.0
Linux2 products
  • linux≥ 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003, < 13d8de1b6568dcc31a95534ced16bc0c9a67bc15 | ≥ 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003, < 66e84439ec2af776ce749e8540f8fdd257774152 | ≥ 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003, < ea27703eb0efbadcd45b9949526160ed90536a72 | ≥ 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003, < ac65f76db9b2ff3fbc9e198c0e9aaf81b111b7d0 | ≥ 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003, < 29abaf93357f4a7d083cf399d4306999e20db31d | ≥ 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003, < d3cef0e7a5c1aa6217c51faa9ce8ecac35d6e1fd | ≥ 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003, < 1f3d9724e16d62c7d42c67d6613b8512f2887c22 | 5.7
  • linux_kernel≥ 5.7, < 5.10.239 | ≥ 5.11, < 5.15.186 | ≥ 5.16, < 6.15.4

4 vendors · 146 products

References

31 links
Show all 31 references