diff options
Diffstat (limited to 'recipes-kernel/linux/files/Fix-CVE-2014-5077-sctp-inherit-auth-capable-on-INIT-collisions.patch')
-rw-r--r-- | recipes-kernel/linux/files/Fix-CVE-2014-5077-sctp-inherit-auth-capable-on-INIT-collisions.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/recipes-kernel/linux/files/Fix-CVE-2014-5077-sctp-inherit-auth-capable-on-INIT-collisions.patch b/recipes-kernel/linux/files/Fix-CVE-2014-5077-sctp-inherit-auth-capable-on-INIT-collisions.patch new file mode 100644 index 0000000..7d16535 --- /dev/null +++ b/recipes-kernel/linux/files/Fix-CVE-2014-5077-sctp-inherit-auth-capable-on-INIT-collisions.patch | |||
@@ -0,0 +1,41 @@ | |||
1 | CVE-2014-5077 Kernel/SCTP: fix a NULL pointer dereference | ||
2 | |||
3 | A NULL pointer dereference flaw was found in the way the | ||
4 | Linux kernel's Stream Control Transmission Protocol | ||
5 | (SCTP) implementation handled simultaneous connections | ||
6 | between the same hosts. A remote attacker could use this | ||
7 | flaw to crash the system. | ||
8 | |||
9 | Upstream-Status: Backport (from v3.16, commit 1be9a950c646c) | ||
10 | |||
11 | References: | ||
12 | - https://access.redhat.com/security/cve/CVE-2014-5077 | ||
13 | - http://patchwork.ozlabs.org/patch/372475/ | ||
14 | |||
15 | Fixes: 730fc3d05cd4 ("[SCTP]: Implete SCTP-AUTH parameter processing") | ||
16 | Reported-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> | ||
17 | Signed-off-by: Daniel Borkmann <dborkman@redhat.com> | ||
18 | Tested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> | ||
19 | Cc: Vlad Yasevich <vyasevich@gmail.com> | ||
20 | Acked-by: Vlad Yasevich <vyasevich@gmail.com> | ||
21 | Signed-off-by: David S. Miller <davem@davemloft.net> | ||
22 | Signed-off-by: Liviu Gheorghisan <liviu.gheorghisan@enea.com> | ||
23 | --- | ||
24 | net/sctp/associola.c | 1 + | ||
25 | 1 file changed, 1 insertion(+) | ||
26 | |||
27 | diff --git a/net/sctp/associola.c b/net/sctp/associola.c | ||
28 | index 9de23a2..06a9ee6 100644 | ||
29 | --- a/net/sctp/associola.c | ||
30 | +++ b/net/sctp/associola.c | ||
31 | @@ -1097,6 +1097,7 @@ void sctp_assoc_update(struct sctp_association *asoc, | ||
32 | asoc->c = new->c; | ||
33 | asoc->peer.rwnd = new->peer.rwnd; | ||
34 | asoc->peer.sack_needed = new->peer.sack_needed; | ||
35 | + asoc->peer.auth_capable = new->peer.auth_capable; | ||
36 | asoc->peer.i = new->peer.i; | ||
37 | sctp_tsnmap_init(&asoc->peer.tsn_map, SCTP_TSN_MAP_INITIAL, | ||
38 | asoc->peer.i.initial_tsn, GFP_ATOMIC); | ||
39 | -- | ||
40 | 1.9.1 | ||
41 | |||