SB2025091986 - Out-of-bounds read in Linux kernel mod
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091986
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-2023-53397)
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 default_mismatch_handler() function in scripts/mod/modpost.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/02dc8e8bdbe4412cfcf17ee3873e63fa5a55b957
- https://git.kernel.org/stable/c/3a3f1e573a105328a2cca45a7cfbebabbf5e3192
- https://git.kernel.org/stable/c/5e0424cd8a44b5f480feb06753cdf4e1f248d148
- https://git.kernel.org/stable/c/7ee557590bac154d324de446d1cd0444988bd511
- https://git.kernel.org/stable/c/8b2e77050b91199453bf19d0517b047b7339a9e3
- https://git.kernel.org/stable/c/cade370efe2f9e2a79ea8587506ffe2b51ac6d2b
- https://git.kernel.org/stable/c/cb0cdca5c979bc34c27602e2039562932c2591a4
- https://git.kernel.org/stable/c/dd872d5576cc94528f427c7264c2c438928cc6d2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.39