SB2025072715 - Use-after-free in Linux kernel md driver
Published: July 27, 2025
Security Bulletin ID
SB2025072715
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-38445)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the raid1_reshape() function in drivers/md/raid1.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/12b00ec99624f8da8c325f2dd6e807df26df0025
- https://git.kernel.org/stable/c/48da050b4f54ed639b66278d0ae6f4107b2c4e2d
- https://git.kernel.org/stable/c/5f35e48b76655e45522df338876dfef88dafcc71
- https://git.kernel.org/stable/c/61fd5e93006cf82ec8ee5c115ab5cf4bbd104bdb
- https://git.kernel.org/stable/c/776e6186dc9ecbdb8a1b706e989166c8a99bbf64
- https://git.kernel.org/stable/c/d67ed2ccd2d1dcfda9292c0ea8697a9d0f2f0d98
- https://git.kernel.org/stable/c/d8a6853d00fbaa810765c8ed2f452a5832273968
- https://git.kernel.org/stable/c/df5894014a92ff0196dbc212a7764e97366fd2b7