SB2025070436 - Out-of-bounds read in Linux kernel openvswitch
Published: July 4, 2025
Security Bulletin ID
SB2025070436
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2025-38146)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the key_extract_l3l4() function in net/openvswitch/flow.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0bdc924bfb319fb10d1113cbf091fc26fb7b1f99
- https://git.kernel.org/stable/c/3c1906a3d50cb94fd0a10e97a1c0a40c0f033cb7
- https://git.kernel.org/stable/c/4b9a086eedc1fddae632310386098c12155e3d0a
- https://git.kernel.org/stable/c/69541e58323ec3e3904e1fa87a6213961b1f52f4
- https://git.kernel.org/stable/c/8ebcd311b4866ab911d1445ead08690e67f0c488
- https://git.kernel.org/stable/c/ad17eb86d042d72a59fd184ad1adf34f5eb36843
- https://git.kernel.org/stable/c/f26fe7c3002516dd3c288f1012786df31f4d89e0