#VU91333 Information disclosure in Linux kernel - CVE-2023-52730
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91333
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52730
CWE-ID: CWE-200
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 gain access to sensitive information.
The vulnerability exists due to information disclosure within the sdio_read_func_cis() and sdio_free_func_cis() functions in drivers/mmc/core/sdio_cis.c, within the sdio_release_func(), sdio_alloc_func() and sdio_add_func() functions in drivers/mmc/core/sdio_bus.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/92ff03c2563c9b57a027c744750f3b7d2f261c58
- https://git.kernel.org/stable/c/5c7858adada31dbed042448cff6997dd6efc472a
- https://git.kernel.org/stable/c/761db46b29b496946046d8cb33c7ea6de6bef36e
- https://git.kernel.org/stable/c/30716d9f0fa1766e522cf24c8a456244e4fc9931
- https://git.kernel.org/stable/c/1e06cf04239e202248c8fa356bf11449dc73cfbd
- https://git.kernel.org/stable/c/f855d31bb38d663c3ba672345d7cce9324ba3b72
- https://git.kernel.org/stable/c/605d9fb9556f8f5fb4566f4df1480f280f308ded
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.306
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.273
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.169
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.232
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2