Signed-off-by: Ross Burton <[email protected]> --- .../busybox/busybox/CVE-2022-30065.patch | 29 +++++++++++++++++++ meta/recipes-core/busybox/busybox_1.35.0.bb | 1 + 2 files changed, 30 insertions(+) create mode 100644 meta/recipes-core/busybox/busybox/CVE-2022-30065.patch
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 00000000000..25ad653b256 --- /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 <[email protected]> + +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 diff --git a/meta/recipes-core/busybox/busybox_1.35.0.bb b/meta/recipes-core/busybox/busybox_1.35.0.bb index f2f1b35902d..edf896485ec 100644 --- a/meta/recipes-core/busybox/busybox_1.35.0.bb +++ b/meta/recipes-core/busybox/busybox_1.35.0.bb @@ -49,6 +49,7 @@ SRC_URI = "https://busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \ file://0001-sysctl-ignore-EIO-of-stable_secret-below-proc-sys-ne.patch \ file://0001-libbb-sockaddr2str-ensure-only-printable-characters-.patch \ file://0002-nslookup-sanitize-all-printed-strings-with-printable.patch \ + file://CVE-2022-30065.patch \ " SRC_URI:append:libc-musl = " file://musl.cfg " -- 2.25.1
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