CVE-2024-26862
packet: annotate data-races around ignore_outgoing
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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 -> 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
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: paquete: anotar carreras de datos alrededor de ignore_outgoing ignore_outgoing se lee sin bloqueo desde dev_queue_xmit_nit() y paquete_getsockopt() Agregue las anotaciones READ_ONCE()/WRITE_ONCE() apropiadas. syzbot informó: ERROR: KCSAN: carrera de datos en dev_queue_xmit_nit/packet_setsockopt escribir en 0xffff888107804542 de 1 bytes por tarea 22618 en la CPU 0: paquete_setsockopt+0xd83/0xfd0 net/packet/af_packet.c:4003 do_sock_setsockopt net/socket.c :2311 [ en línea] __sys_setsockopt+0x1d8/0x250 net/socket.c:2334 __do_sys_setsockopt net/socket.c:2343 [en línea] __se_sys_setsockopt net/socket.c:2340 [en línea] __x64_sys_setsockopt+0x66/0x80 :2340 do_syscall_64+ 0xd3/0x1d0 Entry_SYSCALL_64_after_hwframe+0x6d/0x75 leído en 0xffff888107804542 de 1 byte por tarea 27 en la CPU 1: dev_queue_xmit_nit+0x82/0x620 net/core/dev.c:2248 xmit_one net/core/dev.c:3527 línea] 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 [en línea] 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 [en línea] batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:420 [en línea ] batadv_iv_send_outstanding_bat_ogm_packet+0x3f0/0x4b0 net/batman-adv/bat_iv_ogm.c:1700 Process_one_work kernel/workqueue.c:3254 [en línea] Process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 trabajador_thread+0x526/0x730 núcleo/cola de trabajo.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 valor cambiado: 0x00 -> 0x01 Reportado por Kernel Concurrency Sanitizer en: CPU: 1 PID: 27 Comm: kworker/u8:1 Contaminado: GW 6.8.0-syzkaller-08073-g480e035fc4c7 #0 Nombre de hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 29/02/2024 Cola de trabajo: bat_events batadv_iv_send_outstanding_bat_ogm_packet
CVSS Scores
SSVC
- Decision:Track
Timeline
- 2024-02-19 CVE Reserved
- 2024-04-17 CVE Published
- 2024-04-18 EPSS Updated
- 2024-12-19 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CAPEC
References (12)
URL | Tag | Source |
---|---|---|
https://git.kernel.org/stable/c/fa788d986a3aac5069378ed04697bd06f83d3488 | Vuln. Introduced | |
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://access.redhat.com/security/cve/CVE-2024-26862 | 2024-11-12 | |
https://bugzilla.redhat.com/show_bug.cgi?id=2275727 | 2024-11-12 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.20 < 5.4.273 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.20 < 5.4.273" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.20 < 5.10.214 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.20 < 5.10.214" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.20 < 5.15.153 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.20 < 5.15.153" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.20 < 6.1.83 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.20 < 6.1.83" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.20 < 6.6.23 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.20 < 6.6.23" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.20 < 6.7.11 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.20 < 6.7.11" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.20 < 6.8.2 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.20 < 6.8.2" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.20 < 6.9 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.20 < 6.9" | en |
Affected
|