SB2025040249 - Out-of-bounds read in Linux kernel firmware driver
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025040249
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-2025-21993)
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 ibft_attr_show_nic() function in drivers/firmware/iscsi_ibft.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/07e0d99a2f701123ad3104c0f1a1e66bce74d6e5
- https://git.kernel.org/stable/c/2d1eef248107bdf3d5a69d0fde04c30a79a7bf5d
- https://git.kernel.org/stable/c/9bfa80c8aa4e06dff55a953c3fffbfc68a3a3b1c
- https://git.kernel.org/stable/c/b253660fac5e0e9080d2c95e3a029e1898d49afb
- https://git.kernel.org/stable/c/c1c6e527470e5eab0b2d57bd073530fbace39eab
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.8