{"id":"DEBIAN-CVE-2023-53312","details":"In the Linux kernel, the following vulnerability has been resolved:  net: fix net_dev_start_xmit trace event vs skb_transport_offset()  After blamed commit, we must be more careful about using skb_transport_offset(), as reminded us by syzbot:  WARNING: CPU: 0 PID: 10 at include/linux/skbuff.h:2868 skb_transport_offset include/linux/skbuff.h:2977 [inline] WARNING: CPU: 0 PID: 10 at include/linux/skbuff.h:2868 perf_trace_net_dev_start_xmit+0x89a/0xce0 include/trace/events/net.h:14 Modules linked in: CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted 6.1.30-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet RIP: 0010:skb_transport_header include/linux/skbuff.h:2868 [inline] RIP: 0010:skb_transport_offset include/linux/skbuff.h:2977 [inline] RIP: 0010:perf_trace_net_dev_start_xmit+0x89a/0xce0 include/trace/events/net.h:14 Code: 8b 04 25 28 00 00 00 48 3b 84 24 c0 00 00 00 0f 85 4e 04 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc e8 56 22 01 fd \u003c0f\u003e 0b e9 f6 fc ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 86 f9 ff RSP: 0018:ffffc900002bf700 EFLAGS: 00010293 RAX: ffffffff8485d8ca RBX: 000000000000ffff RCX: ffff888100914280 RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff RBP: ffffc900002bf818 R08: ffffffff8485d5b6 R09: fffffbfff0f8fb5e R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110217d8f67 R13: ffff88810bec7b3a R14: dffffc0000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f96cf6d52f0 CR3: 000000012224c000 CR4: 0000000000350ef0 Call Trace: \u003cTASK\u003e [\u003cffffffff84715e35\u003e] trace_net_dev_start_xmit include/trace/events/net.h:14 [inline] [\u003cffffffff84715e35\u003e] xmit_one net/core/dev.c:3643 [inline] [\u003cffffffff84715e35\u003e] dev_hard_start_xmit+0x705/0x980 net/core/dev.c:3660 [\u003cffffffff8471a232\u003e] __dev_queue_xmit+0x16b2/0x3370 net/core/dev.c:4324 [\u003cffffffff85416493\u003e] dev_queue_xmit include/linux/netdevice.h:3030 [inline] [\u003cffffffff85416493\u003e] batadv_send_skb_packet+0x3f3/0x680 net/batman-adv/send.c:108 [\u003cffffffff85416744\u003e] batadv_send_broadcast_skb+0x24/0x30 net/batman-adv/send.c:127 [\u003cffffffff853bc52a\u003e] batadv_iv_ogm_send_to_if net/batman-adv/bat_iv_ogm.c:393 [inline] [\u003cffffffff853bc52a\u003e] batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:421 [inline] [\u003cffffffff853bc52a\u003e] batadv_iv_send_outstanding_bat_ogm_packet+0x69a/0x840 net/batman-adv/bat_iv_ogm.c:1701 [\u003cffffffff8151023c\u003e] process_one_work+0x8ac/0x1170 kernel/workqueue.c:2289 [\u003cffffffff81511938\u003e] worker_thread+0xaa8/0x12d0 kernel/workqueue.c:2436","modified":"2026-09-15T09:02:50.911895967Z","published":"2025-09-16T17:15:37.117Z","upstream":["CVE-2023-53312"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-53312"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.52-1"}]}],"versions":["6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-53312.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.4.4-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-53312.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.4.4-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-53312.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}