diff options
| author |   Ross Burton <ross@burtonini.com> | 2021-11-22 11:40:56 +0000 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2021-11-23 10:53:12 +0000 |
| commit | fb3b9a7f668a6ffd56a99e1e8b83cdbad2a4bc66 (patch) | |
| tree | ff15ce5741dc45f7de42d41f1035b406c5694694 /meta/recipes-support/gmp/gmp | |
| parent | f0740dd1ad0eabc57cc30cc9bdb891b2ccd18caa (diff) | |
| download | openembedded-core-fb3b9a7f668a6ffd56a99e1e8b83cdbad2a4bc66.tar.gz | |
gmp: fix CVE-2021-43618
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-support/gmp/gmp')
| -rw-r--r-- | meta/recipes-support/gmp/gmp/cve-2021-43618.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/meta/recipes-support/gmp/gmp/cve-2021-43618.patch b/meta/recipes-support/gmp/gmp/cve-2021-43618.patch new file mode 100644 index 0000000000..095fb21eaa --- /dev/null +++ b/meta/recipes-support/gmp/gmp/cve-2021-43618.patch @@ -0,0 +1,27 @@ +CVE: CVE-2021-43618 +Upstream-Status: Backport +Signed-off-by: Ross Burton <ross.burton@arm.com> + +# HG changeset patch +# User Marco Bodrato <bodrato@mail.dm.unipi.it> +# Date 1634836009 -7200 +# Node ID 561a9c25298e17bb01896801ff353546c6923dbd +# Parent e1fd9db13b475209a864577237ea4b9105b3e96e +mpz/inp_raw.c: Avoid bit size overflows + +diff -r e1fd9db13b47 -r 561a9c25298e mpz/inp_raw.c +--- a/mpz/inp_raw.c Tue Dec 22 23:49:51 2020 +0100 ++++ b/mpz/inp_raw.c Thu Oct 21 19:06:49 2021 +0200 +@@ -88,8 +88,11 @@ + + abs_csize = ABS (csize); + ++ if (UNLIKELY (abs_csize > ~(mp_bitcnt_t) 0 / 8)) ++ return 0; /* Bit size overflows */ ++ + /* round up to a multiple of limbs */ +- abs_xsize = BITS_TO_LIMBS (abs_csize*8); ++ abs_xsize = BITS_TO_LIMBS ((mp_bitcnt_t) abs_csize * 8); + + if (abs_xsize != 0) + { |