CVE-2025-38204

jfs: fix array-index-out-of-bounds read in add_missing_indices

Severity Score

7.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds read in add_missing_indices stbl is s8 but it must contain offsets into slot which can go from 0 to
127. Added a bound check for that error and return -EIO if the check fails.
Also make jfs_readdir return with error if add_missing_indices returns
with an error.

In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds read in add_missing_indices stbl is s8 but it must contain offsets into slot which can go from 0 to 127. Added a bound check for that error and return -EIO if the check fails. Also make jfs_readdir return with error if add_missing_indices returns with an error.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2025-04-16 CVE Reserved
2025-07-04 CVE Published
2025-07-04 CVE Updated
2025-07-10 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/81af4b34fd72d390d7f237c6a545cc6d09707956	2025-06-27
https://git.kernel.org/stable/c/bfa4655d28f338e68d345aed80d19be7999bbce2	2025-06-27
https://git.kernel.org/stable/c/44618bee303bed151ef3a525ff79fbd7689593b5	2025-06-27
https://git.kernel.org/stable/c/c8399564a58fb6ea2ff21a6fd278417943cb51a5	2025-06-27
https://git.kernel.org/stable/c/5dff41a86377563f7a2b968aae00d25b4ceb37c9	2025-04-03

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.4.295 Search vendor "Linux" for product "Linux Kernel" and version " < 5.4.295"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.10.239 Search vendor "Linux" for product "Linux Kernel" and version " < 5.10.239"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.15.186 Search vendor "Linux" for product "Linux Kernel" and version " < 5.15.186"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.15.4 Search vendor "Linux" for product "Linux Kernel" and version " < 6.15.4"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.16-rc1 Search vendor "Linux" for product "Linux Kernel" and version " < 6.16-rc1"		en		Affected