#VU120739 Out-of-bounds read in Linux kernel - CVE-2023-54295
Published: December 30, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120739
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-2023-54295
CWE-ID: CWE-125
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 an out-of-bounds read error within the spi_nor_init_non_uniform_erase_map() and spi_nor_parse_4bait() functions in drivers/mtd/spi-nor/sfdp.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/53b2916ebde741c657a857fa1936c0d9fcb59170
- https://git.kernel.org/stable/c/61d44a4db2f54dbac7d22c2541574ea5755e0468
- https://git.kernel.org/stable/c/99341b8aee7b5b4255b339345bbcaa35867dfd0c
- https://git.kernel.org/stable/c/e6409208c13f7c56adc12dd795abf4141e3d5e64
- https://git.kernel.org/stable/c/f0f0cfdc3a024e21161714f2e05f0df3b84d42ad
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.99
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3