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CVE-2017-17053

The init_new_context function in arch/x86/include/asm/mmu_context.h in the Linux kernel before 4.12.10 does not correctly handle errors from LDT table allocati…

Impact

The init_new_context function in arch/x86/include/asm/mmu_context.h in the Linux kernel before 4.12.10 does not correctly handle errors from LDT table allocation when forking a new process, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program. This vulnerability only affected kernels built with CONFIG_MODIFY_LDT_SYSCALL=y.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 4.4.144 before 4.4.153
from 4.6 before 4.9.46
from 4.10 before 4.12.10

Weakness classification

CWE-416

References