diff options
Diffstat (limited to 'meta/recipes-core/busybox/busybox/CVE-2022-30065.patch')
| -rw-r--r-- | meta/recipes-core/busybox/busybox/CVE-2022-30065.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/meta/recipes-core/busybox/busybox/CVE-2022-30065.patch b/meta/recipes-core/busybox/busybox/CVE-2022-30065.patch new file mode 100644 index 0000000000..25ad653b25 --- /dev/null +++ b/meta/recipes-core/busybox/busybox/CVE-2022-30065.patch @@ -0,0 +1,29 @@ +Fix use-after-free in awk. + +CVE: CVE-2022-30065 +Upstream-Status: Submitted [http://lists.busybox.net/pipermail/busybox/2022-June/089768.html] +Signed-off-by: Ross Burton <ross.burton@arm.com> + +fixes https://bugs.busybox.net/show_bug.cgi?id=14781 + +Signed-off-by: Natanael Copa <ncopa at alpinelinux.org> +--- + editors/awk.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/editors/awk.c b/editors/awk.c +index 079d0bde5..728ee8685 100644 +--- a/editors/awk.c ++++ b/editors/awk.c +@@ -3128,6 +3128,9 @@ static var *evaluate(node *op, var *res) + + case XC( OC_MOVE ): + debug_printf_eval("MOVE\n"); ++ /* make sure that we never return a temp var */ ++ if (L.v == TMPVAR0) ++ L.v = res; + /* if source is a temporary string, jusk relink it to dest */ + if (R.v == TMPVAR1 + && !(R.v->type & VF_NUMBER) +-- +2.36.1 |