CVE-2021-3896 log

Severity Medium
Remote No
Type Arbitrary code execution
In the Linux kernel before version 5.14.15, there is an array-index-out-bounds bug in detach_capi_ctr in drivers/isdn/capi/kcapi.c. During this process, the kernel thread would call detach_capi_ctr() to detach a register controller. if the controller was not attached yet, detach_capi_ctr() would trigger an array-index-out-bounds bug.
Group Package Affected Fixed Severity Status Ticket
AVG-2500 linux-lts 5.10.75-1 5.10.76-1 Medium Fixed
AVG-2499 linux-hardened 5.14.14.hardened1-1 5.14.16.hardened1-1 High Fixed
AVG-2498 linux-zen 5.14.14.zen1-1 5.14.15.zen1-1 Medium Fixed
AVG-2497 linux 5.14.14.arch1-1 5.14.15.arch1-1 Medium Fixed