CVE-2025-39842

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-39842
In the Linux kernel, the following vulnerability has been resolved: ocfs2: prevent release journal inode after journal shutdown Before calling ocfs2_delete_osb(), ocfs2_journal_shutdown() has already been executed in ocfs2_dismount_volume(), so osb->journal must be NULL. Therefore, the following calltrace will inevitably fail when it reaches jbd2_journal_release_jbd_inode(). ocfs2_dismount_volume()-> ocfs2_delete_osb()-> ocfs2_free_slot_info()-> __ocfs2_free_slot_info()-> evict()-> ocfs2_evict_inode()-> ocfs2_clear_inode()-> jbd2_journal_release_jbd_inode(osb->journal->j_journal, Adding osb->journal checks will prevent null-ptr-deref during the above execution path.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/42c415c53ad2065088cc411d08925effa5b3d255 Patch
https://git.kernel.org/stable/c/85e66331b60601d903cceaf8c10a234db863cd78 Patch
https://git.kernel.org/stable/c/e9188f66e94955431ddbe2cd1cdf8ff2bb486abf Patch
https://git.kernel.org/stable/c/f46e8ef8bb7b452584f2e75337b619ac51a7cadf Patch
https://git.kernel.org/stable/c/f4a917e6cd6c798f7adf39907f117fc754db1283 Patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory Mailing List
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
History

20 Jan 2026, 15:26

Type Values Removed Values Added
CWE NVD-CWE-noinfo
First Time Linux
Debian
Debian debian Linux
Linux linux Kernel
CPE cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/42c415c53ad2065088cc411d08925effa5b3d255 - () https://git.kernel.org/stable/c/42c415c53ad2065088cc411d08925effa5b3d255 - Patch
References () https://git.kernel.org/stable/c/85e66331b60601d903cceaf8c10a234db863cd78 - () https://git.kernel.org/stable/c/85e66331b60601d903cceaf8c10a234db863cd78 - Patch
References () https://git.kernel.org/stable/c/e9188f66e94955431ddbe2cd1cdf8ff2bb486abf - () https://git.kernel.org/stable/c/e9188f66e94955431ddbe2cd1cdf8ff2bb486abf - Patch
References () https://git.kernel.org/stable/c/f46e8ef8bb7b452584f2e75337b619ac51a7cadf - () https://git.kernel.org/stable/c/f46e8ef8bb7b452584f2e75337b619ac51a7cadf - Patch
References () https://git.kernel.org/stable/c/f4a917e6cd6c798f7adf39907f117fc754db1283 - () https://git.kernel.org/stable/c/f4a917e6cd6c798f7adf39907f117fc754db1283 - Patch
References () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html - () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html - Third Party Advisory, Mailing List

03 Nov 2025, 18:16

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html -

19 Sep 2025, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-09-19 16:15

Updated : 2026-01-20 15:26

NVD link : CVE-2025-39842

Mitre link : CVE-2025-39842

CVE.ORG link : CVE-2025-39842

JSON object : View

Products Affected

debian

  • debian_linux

linux

  • linux_kernel
CWE
NVD-CWE-noinfo