CVE-2026-68444

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get() ffa_partition_info_get() passes uuid_str directly to uuid_parse() without a NULL check. When a caller passes NULL, uuid_parse() -> __uuid_parse() -> uuid_is_valid() dereferences the pointer, causing a kernel panic: | Unable to handle kernel NULL pointer dereference at virtual address | 0000000000000040 | pc : uuid_parse+0x40/0xac | lr : ffa_partition_info_get+0x1c/0x94 [arm_ffa] Add a NULL guard before uuid_parse() so a NULL argument returns -ENODEV instead of crashing. Callers are expected to always supply a valid partition UUID, so NULL is not a supported input.

• https://git.kernel.org/stable/c/12a42c610e4432e7708cc48d607e5903fffe0aad
• https://git.kernel.org/stable/c/7201e56e52d18abf4cd0a2fee45daf9dc08b5b97
• https://git.kernel.org/stable/c/86f5ea90f73bb7154593bb96f3411e197f3d4fbe
• https://git.kernel.org/stable/c/8ae5f8e4836667fcaffdf2e3c6068b0a8b364dd8
• https://git.kernel.org/stable/c/996c5c19d5b5ac5b98a7b5a406b548305841c301

Published

Aug 12, 2026

Last Modified

Aug 12, 2026

Status

Received

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