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linux/net/batman-adv
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Sven Eckelmann 26560c4a03
batman-adv: dat: ensure accessible eth_hdr proto field 
When batadv_get_vid() accesses the proto field of the ethernet header, it
is not checking if the data itself is accessible. The caller is responsible
for it. But in contrast to other call sites, batadv_dat_get_vid() and its
caller didn't make sure this is true. This could have caused an
out-of-bounds access.

Cc: stable@vger.kernel.org
Reported-by: Sashiko <sashiko-bot@kernel.org>
Fixes: be1db4f661 ("batman-adv: make the Distributed ARP Table vlan aware")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
2026-06-28 11:49:04 +02:00
..
bat_algo.c batman-adv: store hard_iface as iflink private data 2025-05-31 10:41:11 +02:00
bat_algo.h batman-adv: store hard_iface as iflink private data 2025-05-31 10:41:11 +02:00
bat_iv_ogm.c batman-adv: tvlv: enforce 2-byte alignment 2026-06-14 10:56:35 +02:00
bat_iv_ogm.h
bat_v_elp.c batman-adv: convert cancellation of work items to disable helper 2026-06-05 09:12:06 +02:00
bat_v_elp.h batman-adv: Drop unmanaged ELP metric worker 2025-01-22 21:46:42 +01:00
bat_v_ogm.c batman-adv: tvlv: enforce 2-byte alignment 2026-06-14 10:56:35 +02:00
bat_v_ogm.h
bat_v.c batman-adv: v: prevent OGM aggregation on disabled hardif 2026-06-13 07:57:52 +02:00
bat_v.h
bitarray.c batman-adv: fix kernel-doc typos and grammar errors 2026-06-05 09:12:09 +02:00
bitarray.h batman-adv: fix kernel-doc typos and grammar errors 2026-06-05 09:12:09 +02:00
bridge_loop_avoidance.c batman-adv: bla: update stale kernel-doc 2026-06-05 09:12:08 +02:00
bridge_loop_avoidance.h batman-adv: bla: update stale kernel-doc 2026-06-05 09:12:08 +02:00
distributed-arp-table.c batman-adv: dat: ensure accessible eth_hdr proto field 2026-06-28 11:49:04 +02:00
distributed-arp-table.h batman-adv: Use consistent name for mesh interface 2025-02-22 11:36:22 +01:00
fragmentation.c batman-adv: frag: avoid underflow of TTL 2026-06-13 07:57:51 +02:00
fragmentation.h batman-adv: frag: ensure fragment is writable before modifying TTL 2026-06-13 07:57:51 +02:00
gateway_client.c batman-adv: gw: acquire ethernet header only after skb realloc 2026-06-28 09:58:22 +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: replace non-atomic meshif config fields with (READ|WRITE)_ONCE 2026-06-01 14:22:00 +02:00
gateway_common.h batman-adv: Drop per algo GW section class code 2023-08-14 18:01:21 +02:00
hard-interface.c batman-adv: gw: don't deselect gateway with active hardif 2026-06-13 07:51:17 +02:00
hard-interface.h batman-adv: correct batadv_wifi_* kernel-doc 2026-06-05 09:12:07 +02:00
hash.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
hash.h batman-adv: fix kernel-doc typos and grammar errors 2026-06-05 09:12:09 +02:00
Kconfig batman-adv: use skb_crc32c() instead of skb_seq_read() 2025-10-17 16:30:43 +02:00
log.c batman-adv: Use consistent name for mesh interface 2025-02-22 11:36:22 +01:00
log.h batman-adv: replace non-atomic meshif config fields with (READ|WRITE)_ONCE 2026-06-01 14:22:00 +02:00
main.c batman-adv: dat: ensure accessible eth_hdr proto field 2026-06-28 11:49:04 +02:00
main.h batman-adv: drop batman-adv specific version 2026-05-29 21:15:59 +02:00
Makefile batman-adv: drop batman-adv specific version 2026-05-29 21:15:59 +02:00
mesh-interface.c batman-adv: retrieve ethhdr after potential skb realloc on RX 2026-06-28 07:56:46 +02:00
mesh-interface.h batman-adv: remove includes for extern declarations 2025-09-05 15:11:02 +02:00
multicast_forw.c batman-adv: Use consistent name for mesh interface 2025-02-22 11:36:22 +01:00
multicast.c batman-adv: convert cancellation of work items to disable helper 2026-06-05 09:12:06 +02:00
multicast.h batman-adv: mcast: implement multicast packet generation 2023-11-14 08:16:34 +01:00
netlink.c batman-adv: fix kernel-doc typos and grammar errors 2026-06-05 09:12:09 +02:00
netlink.h batman-adv: remove includes for extern declarations 2025-09-05 15:11:02 +02:00
originator.c batman-adv: fix kernel-doc typos and grammar errors 2026-06-05 09:12:09 +02:00
originator.h batman-adv: mcast: implement multicast packet reception and forwarding 2023-11-14 08:16:34 +01:00
routing.c batman-adv: bla: reacquire gw address after skb realloc 2026-06-28 09:58:34 +02:00
routing.h batman-adv: mcast: implement multicast packet reception and forwarding 2023-11-14 08:16:34 +01:00
send.c batman-adv: convert cancellation of work items to disable helper 2026-06-05 09:12:06 +02:00
send.h batman-adv: Use consistent name for mesh interface 2025-02-22 11:36:22 +01:00
tp_meter.c batman-adv: tp_meter: handle overlapping packets 2026-06-13 07:57:52 +02:00
tp_meter.h batman-adv: stop tp_meter sessions during mesh teardown 2026-05-02 21:58:53 +02:00
trace.c
trace.h batman-adv: Use consistent name for mesh interface 2025-02-22 11:36:22 +01:00
translation-table.c batman-adv: tt: track roam count per VID 2026-06-14 09:21:31 +02:00
translation-table.h batman-adv: Use consistent name for mesh interface 2025-02-22 11:36:22 +01:00
tvlv.c batman-adv: tvlv: avoid race of cifsnotfound handler state 2026-06-14 12:33:18 +02:00
tvlv.h batman-adv: tvlv: avoid unnecessary OGM buffer reallocations 2026-06-01 14:22:02 +02:00
types.h batman-adv: tvlv: avoid race of cifsnotfound handler state 2026-06-14 12:33:18 +02:00
version.c batman-adv: drop batman-adv specific version 2026-05-29 21:15:59 +02:00