Skip to content
Browse files

bn/asm/ fix for CVE-2016-7055 (Low severity).

Reviewed-by: Rich Salz <>
(cherry picked from commit 2fac86d)
  • Loading branch information
dot-asm authored and mattcaswell committed Nov 10, 2016
1 parent c210840 commit 57c4b9f6a2f800b41ce2836986fe33640f6c3f8a
Showing with 2 additions and 3 deletions.
  1. +2 −3 crypto/bn/asm/
@@ -1148,18 +1148,17 @@
mulx 2*8($aptr),%r15,%r13 # ...
adox -3*8($tptr),%r11
adcx %r15,%r12
adox $zero,%r12
adox -2*8($tptr),%r12
adcx $zero,%r13
adox $zero,%r13
mov $bptr,8(%rsp) # off-load &b[i]
.byte 0x67
mov $mi,%r15
imulq 24(%rsp),$mi # "t[0]"*n0
xor %ebp,%ebp # xor $zero,$zero # cf=0, of=0
mulx 3*8($aptr),%rax,%r14
mov $mi,%rdx
adox -2*8($tptr),%r12
adcx %rax,%r13
adox -1*8($tptr),%r13
adcx $zero,%r14

0 comments on commit 57c4b9f

Please sign in to comment.