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
References
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
|
History
03 Mar 2025, 17:47
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 4.7 |
| First Time |
Debian debian Linux
Debian Linux linux Kernel Linux |
|
| References |
|
|
| References | () https://git.kernel.org/stable/c/d35b62c224e70797f8a1c37fe9bc4b3e294b7560 - Patch, Mailing List | |
| References | () https://git.kernel.org/stable/c/8b1e273c6afcf00d3c40a54ada7d6aac1b503b97 - Patch, Mailing List | |
| References | () https://git.kernel.org/stable/c/ee413f30ec4fe94a0bdf32c8f042cb06fa913234 - Patch, Mailing List | |
| References | () https://git.kernel.org/stable/c/2c02c5059c78a52d170bdee4a369b470de6deb37 - Patch, Mailing List | |
| References | () https://git.kernel.org/stable/c/6ebfad33161afacb3e1e59ed1c2feefef70f9f97 - Patch, Mailing List | |
| References | () https://git.kernel.org/stable/c/ef7eed7e11d23337310ecc2c014ecaeea52719c5 - Patch, Mailing List | |
| References | () https://git.kernel.org/stable/c/84c510411e321caff3c07e6cd0f917f06633cfc0 - Patch, Mailing List | |
| References | () https://git.kernel.org/stable/c/68e84120319d4fc298fcdb14cf0bea6a0f64ffbd - Patch, Mailing List | |
| CPE | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
05 Nov 2024, 10:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
25 Jun 2024, 22:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
17 Apr 2024, 11:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2024-04-17 11:15
Updated : 2025-03-03 17:47
NVD link : CVE-2024-26862
Mitre link : CVE-2024-26862
JSON object : View
Products Affected
linux
- linux_kernel
debian
- debian_linux
CWE
No CWE.