Out-of-bounds read in Linux kernel - CVE-2025-22067

Vulnerability identifier: #VU107690

CSH Severity: Low

CVSS v4: 6.8 [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]

CVE-ID: CVE-2025-22067

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: No public exploit available

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 cdns_mrvl_xspi_setup_clock() function in drivers/spi/spi-cadence-xspi.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-azure (Ubuntu package)
linux-aws (Ubuntu package)

Install update from vendor's website.

Linux kernel - update to 6.12.23
linux (Ubuntu package) - addressed in versions 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-azure (Ubuntu package) - update to 6.14.0-1007.7
linux-aws (Ubuntu package) - addressed in versions 6.14.0-1007.7, 6.14.0-1007.7+1

• https://git.kernel.org/stable/c/645f1813fe0dc96381c36b834131e643b798fd73
• https://git.kernel.org/stable/c/7ba0847fa1c22e7801cebfe5f7b75aee4fae317e
• https://git.kernel.org/stable/c/c1fb84e274cb6a2bce6ba5e65116c06e0b3ab275
• https://git.kernel.org/stable/c/e50781bf7accc75883cb8a6a9921fb4e2fa8cca4
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.23

• Out-of-bounds read in Linux kernel spi driver
• Ubuntu update for linux
• Ubuntu update for linux-azure
• Ubuntu update for linux-aws