{"id":"DEBIAN-CVE-2024-26862","details":"In the Linux kernel, the following vulnerability has been resolved:  packet: annotate data-races around ignore_outgoing  ignore_outgoing is read locklessly from dev_queue_xmit_nit() and packet_getsockopt()  Add appropriate READ_ONCE()/WRITE_ONCE() annotations.  syzbot reported:  BUG: KCSAN: data-race in dev_queue_xmit_nit / packet_setsockopt  write to 0xffff888107804542 of 1 bytes by task 22618 on cpu 0:  packet_setsockopt+0xd83/0xfd0 net/packet/af_packet.c:4003  do_sock_setsockopt net/socket.c:2311 [inline]  __sys_setsockopt+0x1d8/0x250 net/socket.c:2334  __do_sys_setsockopt net/socket.c:2343 [inline]  __se_sys_setsockopt net/socket.c:2340 [inline]  __x64_sys_setsockopt+0x66/0x80 net/socket.c:2340  do_syscall_64+0xd3/0x1d0  entry_SYSCALL_64_after_hwframe+0x6d/0x75  read to 0xffff888107804542 of 1 bytes by task 27 on cpu 1:  dev_queue_xmit_nit+0x82/0x620 net/core/dev.c:2248  xmit_one net/core/dev.c:3527 [inline]  dev_hard_start_xmit+0xcc/0x3f0 net/core/dev.c:3547  __dev_queue_xmit+0xf24/0x1dd0 net/core/dev.c:4335  dev_queue_xmit include/linux/netdevice.h:3091 [inline]  batadv_send_skb_packet+0x264/0x300 net/batman-adv/send.c:108  batadv_send_broadcast_skb+0x24/0x30 net/batman-adv/send.c:127  batadv_iv_ogm_send_to_if net/batman-adv/bat_iv_ogm.c:392 [inline]  batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:420 [inline]  batadv_iv_send_outstanding_bat_ogm_packet+0x3f0/0x4b0 net/batman-adv/bat_iv_ogm.c:1700  process_one_work kernel/workqueue.c:3254 [inline]  process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335  worker_thread+0x526/0x730 kernel/workqueue.c:3416  kthread+0x1d1/0x210 kernel/kthread.c:388  ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147  ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243  value changed: 0x00 -\u003e 0x01  Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 27 Comm: kworker/u8:1 Tainted: G        W          6.8.0-syzkaller-08073-g480e035fc4c7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet","modified":"2026-09-15T09:03:05.672570132Z","published":"2024-04-17T11:15:09.050Z","upstream":["CVE-2024-26862"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2024-26862"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.85-1"}]}],"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","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1","6.1.64-1","6.1.66-1","6.1.67-1","6.1.69-1","6.1.69-1~bpo11+1","6.1.76-1","6.1.76-1~bpo11+1","6.1.82-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26862.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26862.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26862.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}