Commit 5586d5b

authored

Merge pull request #335 from algonell/master

Add missing period

2 parents 3bce62e + 2114e42 commit 5586d5bCopy full SHA for 5586d5b

File tree

-1

lines changed

-1

lines changed

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -1475,7 +1475,7 @@ \section{System Calls}`
`1475`	`1475`	`A control register is a processor register that changes or controls the general behavior of the CPU.`
`1476`	`1476`	`For x86 architecture, the \verb\|cr0\| register has various control flags that modify the basic operation of the processor.`
`1477`	`1477`	`The \verb\|WP\| flag in \verb\|cr0\| stands for write protection.`
`1478`		`-Once the \verb\|WP\| flag is set, the processor disallows further write attempts to the read-only sections`
	`1478`	`+Once the \verb\|WP\| flag is set, the processor disallows further write attempts to the read-only sections.`
`1479`	`1479`	`Therefore, we must disable the \verb\|WP\| flag before modifying \cpp\|sys_call_table\|.`
`1480`	`1480`	`Since Linux v5.3, the \cpp\|write_cr0\| function cannot be used because of the sensitive \verb\|cr0\| bits pinned by the security issue, the attacker may write into CPU control registers to disable CPU protections like write protection.`
`1481`	`1481`	`As a result, we have to provide the custom assembly routine to bypass it.`

Comments

(0)