diff options
Diffstat (limited to 'meta/recipes-connectivity/dhcp/dhcp/CVE-2022-2929.patch')
| -rw-r--r-- | meta/recipes-connectivity/dhcp/dhcp/CVE-2022-2929.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/meta/recipes-connectivity/dhcp/dhcp/CVE-2022-2929.patch b/meta/recipes-connectivity/dhcp/dhcp/CVE-2022-2929.patch new file mode 100644 index 0000000000..d605204f89 --- /dev/null +++ b/meta/recipes-connectivity/dhcp/dhcp/CVE-2022-2929.patch @@ -0,0 +1,40 @@ +From 5c959166ebee7605e2048de573f2475b4d731ff7 Mon Sep 17 00:00:00 2001 +From: Hitendra Prajapati <hprajapati@mvista.com> +Date: Thu, 6 Oct 2022 09:42:59 +0530 +Subject: [PATCH] CVE-2022-2929 + +Upstream-Status: Backport [https://downloads.isc.org/isc/dhcp/4.4.3-P1/patches/] +CVE: CVE-2022-2929 +Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com> +--- + common/options.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +diff --git a/common/options.c b/common/options.c +index 4e53bb4..28800fc 100644 +--- a/common/options.c ++++ b/common/options.c +@@ -454,16 +454,16 @@ int fqdn_universe_decode (struct option_state *options, + while (s < &bp -> data[0] + length + 2) { + len = *s; + if (len > 63) { +- log_info ("fancy bits in fqdn option"); +- return 0; ++ log_info ("label length exceeds 63 in fqdn option"); ++ goto bad; + } + if (len == 0) { + terminated = 1; + break; + } + if (s + len > &bp -> data [0] + length + 3) { +- log_info ("fqdn tag longer than buffer"); +- return 0; ++ log_info ("fqdn label longer than buffer"); ++ goto bad; + } + + if (first_len == 0) { +-- +2.25.1 + |