Linux Kernel Vulnerability in Serial Device Driver by Vendor
CVE-2025-68311
What is CVE-2025-68311?
A recently addressed vulnerability in the Linux kernel relates to the ip22zilog serial device driver. The issue arose following a specific commit that mandated serial drivers to correctly define a device for struct uart_port.dev. Failure to comply with this requirement could lead to unexpected crashes. The resolution involved reclassifying the ip22zilog driver as a platform driver, which allowed proper management of the serial device in the sgi-ip22 code, thereby enhancing stability and performance.
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Affected Version(s)
Linux 84a9582fd203063cd4d301204971ff2cd8327f1a < 460e0dc9af2d7790d5194c6743d79f9b77b58836
Linux 84a9582fd203063cd4d301204971ff2cd8327f1a < 77a196ca904d66c8372aa8fbfc1c4ae3a66dee2e
Linux 84a9582fd203063cd4d301204971ff2cd8327f1a < 3fc36ae6abd263a5cbf93b2f5539eccc1fc753f7