SB20251001167 - Memory leak in Linux kernel scsi qla4xxx driver
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001167
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) Memory leak (CVE-ID: CVE-2023-53456)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the qla4xxx_set_chap_entry(), qla4xxx_iface_set_param() and qla4xxx_sysfs_ddb_set_param() functions in drivers/scsi/qla4xxx/ql4_os.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/25feffb3fbd51ae81d92c65cebc0e932663828b3
- https://git.kernel.org/stable/c/47cd3770e31df942e2bb925a9a855c79ed0662eb
- https://git.kernel.org/stable/c/47f3be62eab50b8cd7e1ae5fc2c4dae687497c34
- https://git.kernel.org/stable/c/4ed21975311247bb84e82298eeb359ec0a0fa84d
- https://git.kernel.org/stable/c/5925e224cc6edfef57b20447f18323208461309b
- https://git.kernel.org/stable/c/6d65079c69dc1feb817ed71f5bd15e83a7d6832d
- https://git.kernel.org/stable/c/b018c0440b871d8b001c996e95fa4538bd292de6
- https://git.kernel.org/stable/c/cfa6a1a79ed6d336fac7a5d87eb5471e4401829f
- https://git.kernel.org/stable/c/f61fc650c47849637fa1771a31a11674c824138a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.132