SB20251230184 - Out-of-bounds read in Linux kernel mtd spi-nor driver
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230184
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-2023-54295)
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 website.
References
- 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