#VU116346 Memory leak in Linux kernel - CVE-2023-53456
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116346
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53456
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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 repository.
External links
- 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