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Gavrilov Ilia 011f47c8b8 ipv6: Fix out-of-bounds access in ipv6_find_tlv() 
commit 878ecb0897f4737a4c9401f3523fd49589025671 upstream.

optlen is fetched without checking whether there is more than one byte to parse.
It can lead to out-of-bounds access.

Found by InfoTeCS on behalf of Linux Verification Center
(linuxtesting.org) with SVACE.

Fixes: c61a40432509 ("[IPV6]: Find option offset by type.")
Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-05-30 12:44:10 +01:00
..
6lowpan
6lowpan: iphc: Fix an off-by-one check of array index
2021-09-15 09:47:31 +02:00
9p
9p/xen : Fix use after free bug in xen_9pfs_front_remove due to race condition
2023-04-20 12:07:36 +02:00
802
mrp: introduce active flags to prevent UAF when applicant uninit
2023-01-18 11:41:37 +01:00
8021q
vlan: fix a potential uninit-value in vlan_dev_hard_start_xmit()
2023-05-30 12:44:06 +01:00
appletalk
appletalk: Fix skb allocation size in loopback case
2021-04-07 14:47:41 +02:00
atm
treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD()
2023-04-20 12:07:32 +02:00
ax25
ax25: Fix UAF bugs in ax25 timers
2022-04-20 09:19:40 +02:00
batman-adv
batman-adv: Don't skb_split skbuffs with frag_list
2022-05-18 09:47:24 +02:00
bluetooth
Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp
2023-05-30 12:44:03 +01:00
bpf
bpf: Move skb->len == 0 checks into __bpf_redirect
2023-01-18 11:41:04 +01:00
bpfilter
bpfilter: Specify the log level for the kmsg message
2021-07-14 16:53:33 +02:00
bridge
netfilter: nftables: add nft_parse_register_store() and use it
2023-05-30 12:44:07 +01:00
caif
net: caif: Fix use-after-free in cfusbl_device_notify()
2023-03-17 08:32:51 +01:00
can
can: j1939: recvmsg(): allow MSG_CMSG_COMPAT flag
2023-05-30 12:44:06 +01:00
ceph
libceph: clear con->out_msg on Policy::stateful_server faults
2020-11-05 11:43:34 +01:00
core
net: fix skb leak in __skb_tstamp_tx()
2023-05-30 12:44:10 +01:00
dcb
net: dcb: disable softirqs in dcbnl_flush_dev()
2022-03-08 19:07:51 +01:00
dccp
dccp: Call inet6_destroy_sock() via sk->sk_destruct().
2023-04-26 11:24:05 +02:00
decnet
net: decnet: Fix sleeping inside in af_decnet
2021-07-28 13:30:56 +02:00
dns_resolver
KEYS: Don't write out to userspace while holding key semaphore
2020-04-23 10:36:45 +02:00
dsa
net: dsa: ksz: Check return value
2022-12-14 11:30:45 +01:00
ethernet
…
hsr
hsr: Avoid double remove of a node.
2023-01-18 11:41:09 +01:00
ieee802154
net: ieee802154: fix error return code in dgram_bind()
2022-11-03 23:56:54 +09:00
ife
…
ipv4
udplite: Fix NULL pointer dereference in __sk_mem_raise_allocated().
2023-05-30 12:44:09 +01:00
ipv6
ipv6: Fix out-of-bounds access in ipv6_find_tlv()
2023-05-30 12:44:10 +01:00
iucv
treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD()
2023-04-20 12:07:32 +02:00
kcm
kcm: close race conditions on sk_receive_queue
2022-11-25 17:42:21 +01:00
key
af_key: Reject optional tunnel/BEET mode templates in outbound policies
2023-05-30 12:44:05 +01:00
l2tp
inet6: Remove inet6_destroy_sock() in sk->sk_prot->destroy().
2023-04-26 11:24:05 +02:00
l3mdev
l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu
2022-04-27 13:50:47 +02:00
lapb
net: lapb: Copy the skb before sending a packet
2021-02-10 09:25:28 +01:00
llc
llc: only change llc->dev when bind() succeeds
2022-03-28 08:46:48 +02:00
mac80211
wifi: mac80211: fix invalid drv_sta_pre_rcu_remove calls for non-uploaded sta
2023-04-20 12:07:33 +02:00
mac802154
mac802154: fix missing INIT_LIST_HEAD in ieee802154_if_add()
2022-12-14 11:30:45 +01:00
mpls
net: mpls: fix stale pointer if allocation fails during device rename
2023-02-22 12:50:41 +01:00
ncsi
net/ncsi: clear Tx enable mode when handling a Config required AEN
2023-05-17 11:35:58 +02:00
netfilter
netfilter: nf_tables: hold mutex on netns pre_exit path
2023-05-30 12:44:08 +01:00
netlabel
netlabel: fix out-of-bounds memory accesses
2022-04-15 14:18:35 +02:00
netlink
netlink: annotate accesses to nlk->cb_running
2023-05-30 12:44:01 +01:00
netrom
netrom: Fix use-after-free caused by accept on already connected socket
2023-02-22 12:50:24 +01:00
nfc
nfc: change order inside nfc_se_io error path
2023-03-17 08:32:48 +01:00
nsh
net: nsh: Use correct mac_offset to unwind gso skb in nsh_gso_segment()
2023-05-30 12:44:05 +01:00
openvswitch
net: openvswitch: fix flow memory leak in ovs_flow_cmd_new
2023-02-22 12:50:25 +01:00
packet
net: add vlan_get_protocol_and_depth() helper
2023-05-30 12:44:01 +01:00
phonet
phonet: refcount leak in pep_sock_accep
2022-01-11 15:23:33 +01:00
psample
…
qrtr
net: qrtr: fix another OOB Read in qrtr_endpoint_post
2021-09-03 10:08:12 +02:00
rds
rds: rds_rm_zerocopy_callback() correct order for list_add_tail()
2023-03-11 16:43:41 +01:00
rfkill
rfkill: Fix use-after-free in rfkill_resume()
2020-11-24 13:29:05 +01:00
rose
net/rose: Fix to not accept on connected socket
2023-02-22 12:50:34 +01:00
rxrpc
rxrpc: Fix hard call timeout units
2023-05-17 11:35:59 +02:00
sched
net/sched: act_mirred: Add carrier check
2023-05-17 11:35:59 +02:00
sctp
sctp: Call inet6_destroy_sock() via sk->sk_destruct().
2023-04-26 11:24:05 +02:00
smc
net/smc: fix fallback failed while sendmsg with fastopen
2023-03-17 08:32:51 +01:00
strparser
bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding
2021-11-17 09:48:48 +01:00
sunrpc
SUNRPC: remove the maximum number of retries in call_bind_status
2023-05-17 11:35:52 +02:00
switchdev
net: switchdev: do not propagate bridge updates across bridges
2021-10-27 09:54:24 +02:00
tipc
tipc: call tipc_lxc_xmit without holding node_read_lock
2023-01-18 11:42:06 +01:00
tls
net: tls: fix possible race condition between do_tls_getsockopt_conf() and do_tls_setsockopt_conf()
2023-04-05 11:16:36 +02:00
unix
af_unix: Fix data races around sk->sk_shutdown.
2023-05-30 12:44:02 +01:00
vmw_vsock
vsock: avoid to close connected socket after the timeout
2023-05-30 12:44:05 +01:00
wimax
…
wireless
wifi: cfg80211: Partial revert "wifi: cfg80211: Fix use after free for wext"
2023-03-13 10:18:25 +01:00
x25
net/x25: Fix to not accept on connected socket
2023-02-22 12:50:26 +01:00
xdp
Revert "xsk: Do not sleep in poll() when need_wakeup set"
2021-12-22 09:29:40 +01:00
xfrm
xfrm: Allow transport-mode states with AF_UNSPEC selector
2023-03-22 13:28:03 +01:00
compat.c
net: Return the correct errno code
2021-06-18 09:59:00 +02:00
Kconfig
net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build
2020-04-01 11:02:18 +02:00
Makefile
…
socket.c
net: annotate sk->sk_err write from do_recvmmsg()
2023-05-30 12:44:01 +01:00
sysctl_net.c
…