On 6/27/22 22:59, Hangyu Hua wrote:
dom_bef is use to cache current domain record only if current domain exists. But when current domain does not exist, dom_bef will still be used in mon_identify_lost_members. This may lead to an information leak. Fix this by adding a memset before using dom_bef. Fixes: 35c55c9877f8 ("tipc: add neighbor monitoring framework") Signed-off-by: Hangyu Hua <hbh...@gmail.com> --- net/tipc/monitor.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c index 2f4d23238a7e..67084e5aa15c 100644 --- a/net/tipc/monitor.c +++ b/net/tipc/monitor.c @@ -534,6 +534,7 @@ void tipc_mon_rcv(struct net *net, void *data, u16 dlen, u32 addr, state->peer_gen = new_gen;/* Cache current domain record for later use */+ memset(&dom_bef, 0, sizeof(dom_bef)); dom_bef.member_cnt = 0; dom = peer->domain; if (dom)
Acked-by: Jon Maloy <jma...@redhat.com> _______________________________________________ tipc-discussion mailing list tipc-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/tipc-discussion
