Bug 2376377 (CVE-2025-38206) - CVE-2025-38206 kernel: Kernel: Double free vulnerability in exFAT filesystem can lead to denial of service
Summary: CVE-2025-38206 kernel: Kernel: Double free vulnerability in exFAT filesystem ...
Keywords:
Status: NEW
Alias: CVE-2025-38206
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-07-04 14:02 UTC by OSIDB Bzimport
Modified: 2026-04-24 15:57 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:3066 0 None None None 2026-02-23 10:19:47 UTC
Red Hat Product Errata RHSA-2026:3275 0 None None None 2026-02-25 01:49:58 UTC
Red Hat Product Errata RHSA-2026:4246 0 None None None 2026-03-11 00:47:36 UTC
Red Hat Product Errata RHSA-2026:4745 0 None None None 2026-03-17 14:32:47 UTC
Red Hat Product Errata RHSA-2026:6948 0 None None None 2026-04-08 00:11:18 UTC
Red Hat Product Errata RHSA-2026:6986 0 None None None 2026-04-08 05:58:18 UTC
Red Hat Product Errata RHSA-2026:7013 0 None None None 2026-04-08 12:11:00 UTC
Red Hat Product Errata RHSA-2026:7100 0 None None None 2026-04-08 15:42:32 UTC

Description OSIDB Bzimport 2025-07-04 14:02:27 UTC 
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.
Comment 1 Michal Findra 2025-07-06 10:22:12 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025070420-CVE-2025-38206-a077@gregkh/T
Comment 3 errata-xmlrpc 2026-02-23 10:19:46 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:3066 https://access.redhat.com/errata/RHSA-2026:3066
Comment 4 errata-xmlrpc 2026-02-25 01:49:57 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:3275 https://access.redhat.com/errata/RHSA-2026:3275
Comment 5 errata-xmlrpc 2026-03-11 00:47:35 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:4246 https://access.redhat.com/errata/RHSA-2026:4246
Comment 6 errata-xmlrpc 2026-03-17 14:32:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:4745 https://access.redhat.com/errata/RHSA-2026:4745
Comment 7 errata-xmlrpc 2026-04-08 00:11:16 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:6948 https://access.redhat.com/errata/RHSA-2026:6948
Comment 8 errata-xmlrpc 2026-04-08 05:58:17 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:6986 https://access.redhat.com/errata/RHSA-2026:6986
Comment 9 errata-xmlrpc 2026-04-08 12:10:59 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:7013 https://access.redhat.com/errata/RHSA-2026:7013
Comment 10 errata-xmlrpc 2026-04-08 15:42:31 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:7100 https://access.redhat.com/errata/RHSA-2026:7100
Note You need to log in before you can comment on or make changes to this bug.