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Gavrilov Ilia 9b92e2d0eb 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 13:55:31 +01:00
..
6lowpan
…
9p
9p/xen : Fix use after free bug in xen_9pfs_front_remove due to race condition
2023-04-20 12:13:53 +02:00
802
mrp: introduce active flags to prevent UAF when applicant uninit
2022-12-31 13:14:42 +01:00
8021q
vlan: fix a potential uninit-value in vlan_dev_hard_start_xmit()
2023-05-24 17:36:52 +01:00
appletalk
…
atm
net/atm: fix proc_mpc_write incorrect return value
2022-10-29 10:12:55 +02:00
ax25
net: ax25: Fix deadlock caused by skb_recv_datagram in ax25_recvmsg
2022-06-22 14:22:01 +02:00
batman-adv
batman-adv: Use netif_rx_any_context() any.
2022-07-29 17:25:07 +02:00
bluetooth
Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp
2023-05-24 17:36:46 +01:00
bpf
bpf: Move skb->len == 0 checks into __bpf_redirect
2022-12-31 13:14:11 +01:00
bpfilter
…
bridge
bridge: always declare tunnel functions
2023-05-24 17:36:52 +01:00
caif
net: caif: Fix use-after-free in cfusbl_device_notify()
2023-03-17 08:48:54 +01:00
can
can: isotp: recvmsg(): allow MSG_CMSG_COMPAT flag
2023-05-24 17:36:53 +01:00
ceph
libceph: fix potential use-after-free on linger ping and resends
2022-05-25 09:57:28 +02:00
core
net: fix skb leak in __skb_tstamp_tx()
2023-05-30 13:55:31 +01:00
dcb
net: dcb: disable softirqs in dcbnl_flush_dev()
2022-03-08 19:12:52 +01:00
dccp
dccp: Call inet6_destroy_sock() via sk->sk_destruct().
2023-04-26 13:51:54 +02:00
decnet
net: Fix data-races around sysctl_[rw]mem(_offset)?.
2022-08-03 12:03:51 +02:00
dns_resolver
…
dsa
net: dsa: tag_brcm: legacy: fix daisy-chained switches
2023-03-30 12:47:48 +02:00
ethernet
…
ethtool
ethtool: Fix uninitialized number of lanes
2023-05-17 11:50:18 +02:00
hsr
hsr: ratelimit only when errors are printed
2023-04-05 11:25:02 +02:00
ieee802154
net: ieee802154: fix error return code in dgram_bind()
2022-11-03 23:59:14 +09:00
ife
…
ipv4
udplite: Fix NULL pointer dereference in __sk_mem_raise_allocated().
2023-05-30 13:55:31 +01:00
ipv6
ipv6: Fix out-of-bounds access in ipv6_find_tlv()
2023-05-30 13:55:31 +01:00
iucv
net/iucv: Fix size of interrupt data
2023-03-22 13:31:28 +01:00
kcm
kcm: close race conditions on sk_receive_queue
2022-11-26 09:24:50 +01:00
key
af_key: Reject optional tunnel/BEET mode templates in outbound policies
2023-05-24 17:36:49 +01:00
l2tp
inet6: Remove inet6_destroy_sock() in sk->sk_prot->destroy().
2023-04-26 13:51:54 +02:00
l3mdev
l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu
2022-04-27 14:38:53 +02:00
lapb
…
llc
net: deal with most data-races in sk_wait_event()
2023-05-24 17:36:42 +01:00
mac80211
wifi: mac80211: fix min center freq offset tracing
2023-05-24 17:36:51 +01:00
mac802154
mac802154: fix missing INIT_LIST_HEAD in ieee802154_if_add()
2022-12-14 11:37:25 +01:00
mctp
net: mctp: purge receive queues on sk destruction
2023-02-06 07:59:02 +01:00
mpls
net: mpls: fix stale pointer if allocation fails during device rename
2023-02-22 12:57:09 +01:00
mptcp
inet6: Remove inet6_destroy_sock() in sk->sk_prot->destroy().
2023-04-26 13:51:54 +02:00
ncsi
net/ncsi: clear Tx enable mode when handling a Config required AEN
2023-05-17 11:50:16 +02:00
netfilter
netfilter: nft_set_rbtree: fix null deref on element insertion
2023-05-24 17:36:52 +01:00
netlabel
netlabel: fix out-of-bounds memory accesses
2022-04-13 20:59:10 +02:00
netlink
netlink: annotate accesses to nlk->cb_running
2023-05-24 17:36:42 +01:00
netrom
netrom: Fix use-after-free caused by accept on already connected socket
2023-02-09 11:26:36 +01:00
nfc
nfc: change order inside nfc_se_io error path
2023-03-17 08:48:49 +01:00
nsh
net: nsh: Use correct mac_offset to unwind gso skb in nsh_gso_segment()
2023-05-24 17:36:51 +01:00
openvswitch
net: openvswitch: fix possible memory leak in ovs_meter_cmd_set()
2023-02-22 12:57:09 +01:00
packet
net: add vlan_get_protocol_and_depth() helper
2023-05-24 17:36:42 +01:00
phonet
phonet: refcount leak in pep_sock_accep
2022-01-11 15:35:16 +01:00
psample
…
qrtr
net: qrtr: Fix an uninit variable access bug in qrtr_tx_resume()
2023-04-20 12:13:53 +02:00
rds
rds: rds_rm_zerocopy_callback() correct order for list_add_tail()
2023-03-10 09:39:16 +01:00
rfkill
rfkill: make new event layout opt-in
2022-04-08 14:23:00 +02:00
rose
net/rose: Fix to not accept on connected socket
2023-02-22 12:57:02 +01:00
rxrpc
rxrpc: Fix hard call timeout units
2023-05-17 11:50:17 +02:00
sched
net/sched: act_mirred: Add carrier check
2023-05-17 11:50:17 +02:00
sctp
sctp: Call inet6_destroy_sock() via sk->sk_destruct().
2023-04-26 13:51:54 +02:00
smc
net: deal with most data-races in sk_wait_event()
2023-05-24 17:36:42 +01:00
strparser
bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding
2021-11-18 19:17:11 +01:00
sunrpc
SUNRPC: Fix trace_svc_register() call site
2023-05-24 17:36:51 +01:00
switchdev
net: make switchdev_bridge_port_{,unoffload} loosely coupled with the bridge
2021-08-04 12:35:07 +01:00
tipc
tipc: check the bearer min mtu properly when setting it by netlink
2023-05-24 17:36:51 +01:00
tls
net: deal with most data-races in sk_wait_event()
2023-05-24 17:36:42 +01:00
unix
af_unix: Fix data races around sk->sk_shutdown.
2023-05-24 17:36:42 +01:00
vmw_vsock
vsock: avoid to close connected socket after the timeout
2023-05-24 17:36:49 +01:00
wireless
wifi: cfg80211: Partial revert "wifi: cfg80211: Fix use after free for wext"
2023-03-13 10:20:37 +01:00
x25
net/x25: Fix to not accept on connected socket
2023-02-09 11:26:40 +01:00
xdp
xsk: Fix unaligned descriptor validation
2023-05-11 23:00:27 +09:00
xfrm
Revert "Fix XFRM-I support for nested ESP tunnels"
2023-05-24 17:36:48 +01:00
compat.c
…
devres.c
…
Kconfig
…
Makefile
…
socket.c
net: annotate sk->sk_err write from do_recvmmsg()
2023-05-24 17:36:42 +01:00
sysctl_net.c
…