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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/net/batman-adv
История
Sven Eckelmann a726d01d54 batman-adv: Don't accept TT entries for out-of-spec VIDs 
commit 537a350d14321c8cca5efbf0a33a404fec3a9f9e upstream.

The internal handling of VLAN IDs in batman-adv is only specified for
following encodings:

* VLAN is used
  - bit 15 is 1
  - bit 11 - bit 0 is the VLAN ID (0-4095)
  - remaining bits are 0
* No VLAN is used
  - bit 15 is 0
  - remaining bits are 0

batman-adv was only preparing new translation table entries (based on its
soft interface information) using this encoding format. But the receive
path was never checking if entries in the roam or TT TVLVs were also
following this encoding.

It was therefore possible to create more than the expected maximum of 4096
+ 1 entries in the originator VLAN list. Simply by setting the "remaining
bits" to "random" values in corresponding TVLV.

Cc: stable@vger.kernel.org
Fixes: 7ea7b4a142 ("batman-adv: make the TT CRC logic VLAN specific")
Reported-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2024-07-05 09:14:49 +02:00
..
Kconfig This feature/cleanup patchset is an updated version of the pull request 2021-02-08 11:32:40 -08:00
Makefile batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bat_algo.c batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bat_algo.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bat_iv_ogm.c batman-adv: Drop NULL check before dropping references 2021-08-08 20:21:40 +02:00
bat_iv_ogm.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bat_v.c batman-adv: Drop NULL check before dropping references 2021-08-08 20:21:40 +02:00
bat_v.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bat_v_elp.c batman-adv: Do not get eth header before batadv_check_management_packet 2023-08-30 16:18:17 +02:00
bat_v_elp.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bat_v_ogm.c batman-adv: Fix batadv_v_ogm_aggr_send memory leak 2023-08-30 16:18:17 +02:00
bat_v_ogm.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bitarray.c batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bitarray.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
bridge_loop_avoidance.c batman-adv: Use netif_rx_any_context() any. 2022-07-29 17:25:07 +02:00
bridge_loop_avoidance.h batman-adv: Remove the repeated declaration 2021-05-30 13:38:27 +02:00
distributed-arp-table.c batman-adv: Broken sync while rescheduling delayed work 2023-06-14 11:13:04 +02:00
distributed-arp-table.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
fragmentation.c batman-adv: Don't skb_split skbuffs with frag_list 2022-05-18 10:26:47 +02:00
fragmentation.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
gateway_client.c batman-adv: Drop NULL check before dropping references 2021-08-08 20:21:40 +02:00
gateway_client.h batman-adv: Check ptr for NULL before reducing its refcnt 2021-08-08 20:21:40 +02:00
gateway_common.c batman-adv: Switch to kstrtox.h for kstrtou64 2021-08-08 20:05:46 +02:00
gateway_common.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
hard-interface.c batman-adv: Don't increase MTU when set by user 2023-08-30 16:18:17 +02:00
hard-interface.h batman-adv: Check ptr for NULL before reducing its refcnt 2021-08-08 20:21:40 +02:00
hash.c batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
hash.h batman-adv: Fix spelling mistakes 2021-06-02 08:46:03 +02:00
log.c isystem: ship and use stdarg.h 2021-08-19 09:02:55 +09:00
log.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
main.c net: batman-adv: fix error handling 2021-10-26 14:47:12 +01:00
main.h batman-adv: Start new development cycle 2021-08-08 20:05:46 +02:00
multicast.c ipv6: make mc_forwarding atomic 2022-04-13 20:59:03 +02:00
multicast.h batman-adv: mcast: don't send link-local multicast to mcast routers 2022-01-11 15:35:14 +01:00
netlink.c batman-adv: Hold rtnl lock during MTU update via netlink 2023-08-30 16:18:18 +02:00
netlink.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
network-coding.c net: batman-adv: fix error handling 2021-10-26 14:47:12 +01:00
network-coding.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
originator.c batman-adv: Don't accept TT entries for out-of-spec VIDs 2024-07-05 09:14:49 +02:00
originator.h batman-adv: Check ptr for NULL before reducing its refcnt 2021-08-08 20:21:40 +02:00
routing.c batman-adv: Drop NULL check before dropping references 2021-08-08 20:21:40 +02:00
routing.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
send.c batman-adv: bcast: remove remaining skb-copy calls 2021-08-18 18:39:00 +02:00
send.h batman-adv: bcast: queue per interface, if needed 2021-05-17 12:00:44 +02:00
soft-interface.c net: vlan: introduce skb_vlan_eth_hdr() 2023-12-20 15:17:35 +01:00
soft-interface.h batman-adv: Check ptr for NULL before reducing its refcnt 2021-08-08 20:21:40 +02:00
tp_meter.c batman-adv: Drop NULL check before dropping references 2021-08-08 20:21:40 +02:00
tp_meter.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
trace.c batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
trace.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
translation-table.c batman-adv: Avoid infinite loop trying to resize local TT 2024-04-17 11:15:13 +02:00
translation-table.h batman-adv: Check ptr for NULL before reducing its refcnt 2021-08-08 20:21:40 +02:00
tvlv.c batman-adv: Drop NULL check before dropping references 2021-08-08 20:21:40 +02:00
tvlv.h batman-adv: Drop publication years from copyright info 2021-02-06 09:22:10 +01:00
types.h batman-adv: Don't increase MTU when set by user 2023-08-30 16:18:17 +02:00