CVE-2026-64598

Summary

In the Linux kernel, the following vulnerability has been resolved:

smb/client: Fix error code in smb2_aead_req_alloc()

The "*num_sgs" variable is a u32 so "ERR_PTR(*num_sgs)" doesn't work. We would have to do something similar to the previous line where it's cast to int and then long. However, it's simpler to store the return in an int ret variable.

This bug would eventually result in a crash when dereference the invalid error pointer.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxd08089f649a0cfb2099c8551ac47eef0cc23fdf2 < aa37f5fef78dd11cbf983269da2031e12625c56daffected
LinuxLinuxd08089f649a0cfb2099c8551ac47eef0cc23fdf2 < cad756733dc3985188983f3e2eb77e2927209099affected
LinuxLinuxd08089f649a0cfb2099c8551ac47eef0cc23fdf2 < a187883cc1dc784a4d32537f5d316f1b7b9ad76faffected
LinuxLinuxd08089f649a0cfb2099c8551ac47eef0cc23fdf2 < a1cc432cb0b0a1f74f98a0db3b94ca880c7947acaffected
LinuxLinuxd08089f649a0cfb2099c8551ac47eef0cc23fdf2 < 61f28012e5650c619223decdb7970e0d3162e949affected
LinuxLinux6.3affected
LinuxLinux0 < 6.3unaffected
LinuxLinux6.6.145 <= 6.6.*unaffected
LinuxLinux6.12.96 <= 6.12.*unaffected
LinuxLinux6.18.39 <= 6.18.*unaffected
LinuxLinux7.1.4 <= 7.1.*unaffected
LinuxLinux7.2-rc1 <= *unaffected

Weaknesses

References