CVE-2024-36286
netfilter: nfnetlink_queue: acquire rcu_read_lock() in instance_destroy_rcu()
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nfnetlink_queue: acquire rcu_read_lock() in instance_destroy_rcu()
syzbot reported that nf_reinject() could be called without rcu_read_lock() :
WARNING: suspicious RCU usage
6.9.0-rc7-syzkaller-02060-g5c1672705a1a #0 Not tainted
net/netfilter/nfnetlink_queue.c:263 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
2 locks held by syz-executor.4/13427:
#0: ffffffff8e334f60 (rcu_callback){....}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8e334f60 (rcu_callback){....}-{0:0}, at: rcu_do_batch kernel/rcu/tree.c:2190 [inline]
#0: ffffffff8e334f60 (rcu_callback){....}-{0:0}, at: rcu_core+0xa86/0x1830 kernel/rcu/tree.c:2471
#1: ffff88801ca92958 (&inst->lock){+.-.}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline]
#1: ffff88801ca92958 (&inst->lock){+.-.}-{2:2}, at: nfqnl_flush net/netfilter/nfnetlink_queue.c:405 [inline]
#1: ffff88801ca92958 (&inst->lock){+.-.}-{2:2}, at: instance_destroy_rcu+0x30/0x220 net/netfilter/nfnetlink_queue.c:172
stack backtrace:
CPU: 0 PID: 13427 Comm: syz-executor.4 Not tainted 6.9.0-rc7-syzkaller-02060-g5c1672705a1a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
lockdep_rcu_suspicious+0x221/0x340 kernel/locking/lockdep.c:6712
nf_reinject net/netfilter/nfnetlink_queue.c:323 [inline]
nfqnl_reinject+0x6ec/0x1120 net/netfilter/nfnetlink_queue.c:397
nfqnl_flush net/netfilter/nfnetlink_queue.c:410 [inline]
instance_destroy_rcu+0x1ae/0x220 net/netfilter/nfnetlink_queue.c:172
rcu_do_batch kernel/rcu/tree.c:2196 [inline]
rcu_core+0xafd/0x1830 kernel/rcu/tree.c:2471
handle_softirqs+0x2d6/0x990 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
</IRQ>
<TASK>
En el kernel de Linux, se resolvió la siguiente vulnerabilidad: netfilter: nfnetlink_queue: adquirir rcu_read_lock() en instancia_destroy_rcu() syzbot informó que se podía llamar a nf_reinject() sin rcu_read_lock() : ADVERTENCIA: uso sospechoso de RCU 6.9.0-rc7-syzkaller -02060-g5c1672705a1a #0 ¡No está contaminado net/netfilter/nfnetlink_queue.c:263 uso sospechoso de rcu_dereference_check()! otra información que podría ayudarnos a depurar esto: rcu_scheduler_active = 2, debug_locks = 1 2 bloqueos mantenidos por syz-executor.4/13427: #0: ffffffff8e334f60 (rcu_callback){....}-{0:0}, en: rcu_lock_acquire include/linux/rcupdate.h:329 [en línea] #0: ffffffff8e334f60 (rcu_callback){....}-{0:0}, en: rcu_do_batch kernel/rcu/tree.c:2190 [en línea] #0 : ffffffff8e334f60 (rcu_callback){....}-{0:0}, en: rcu_core+0xa86/0x1830 kernel/rcu/tree.c:2471 #1: ffff88801ca92958 (&inst->lock){+.-.} -{2:2}, en: spin_lock_bh include/linux/spinlock.h:356 [en línea] #1: ffff88801ca92958 (&inst->lock){+.-.}-{2:2}, en: nfqnl_flush net/ netfilter/nfnetlink_queue.c:405 [en línea] #1: ffff88801ca92958 (&inst->lock){+.-.}-{2:2}, en: instancia_destroy_rcu+0x30/0x220 net/netfilter/nfnetlink_queue.c:172 pila backtrace: CPU: 0 PID: 13427 Comm: syz-executor.4 No contaminado 6.9.0-rc7-syzkaller-02060-g5c1672705a1a #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Llamada de Google 02/04/2024 Trace: __dump_stack lib/dump_stack.c: 88 [en línea] dump_stack_lvl+0x241/0x360 lib/dump_stack.c: 114 Lockdep_rcu_suspicious+0x221/0x340 kernel/locking/lockdep.c: 6712 nf_filt. C :323 [en línea] nfqnl_reinject+0x6ec/0x1120 net/netfilter/nfnetlink_queue.c:397 nfqnl_flush net/netfilter/nfnetlink_queue.c:410 [en línea] instancia_destroy_rcu+0x1ae/0x220 net/netfilter/nfnetlink_queue.c:172 do_batch kernel/rcu /tree.c:2196 [en línea] rcu_core+0xafd/0x1830 kernel/rcu/tree.c:2471 handle_softirqs+0x2d6/0x990 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [en línea] invoke_softirq kernel/softirq .c:428 [en línea] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [en línea] r_interrupción+ 0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
CVSS Scores
SSVC
- Decision:Track
Timeline
- 2024-06-21 CVE Reserved
- 2024-06-21 CVE Published
- 2024-06-22 EPSS Updated
- 2024-11-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-667: Improper Locking
CAPEC
References (11)
URL | Tag | Source |
---|---|---|
https://git.kernel.org/stable/c/9872bec773c2e8503fec480c1e8a0c732517e257 | Vuln. Introduced |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://access.redhat.com/security/cve/CVE-2024-36286 | 2024-08-08 | |
https://bugzilla.redhat.com/show_bug.cgi?id=2293711 | 2024-08-08 |
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" | >= 2.6.25 < 4.19.316 Search vendor "Linux" for product "Linux Kernel" and version " >= 2.6.25 < 4.19.316" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 2.6.25 < 5.4.278 Search vendor "Linux" for product "Linux Kernel" and version " >= 2.6.25 < 5.4.278" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 2.6.25 < 5.10.219 Search vendor "Linux" for product "Linux Kernel" and version " >= 2.6.25 < 5.10.219" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 2.6.25 < 5.15.161 Search vendor "Linux" for product "Linux Kernel" and version " >= 2.6.25 < 5.15.161" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 2.6.25 < 6.1.93 Search vendor "Linux" for product "Linux Kernel" and version " >= 2.6.25 < 6.1.93" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 2.6.25 < 6.6.33 Search vendor "Linux" for product "Linux Kernel" and version " >= 2.6.25 < 6.6.33" | en |
Affected
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Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 2.6.25 < 6.9.4 Search vendor "Linux" for product "Linux Kernel" and version " >= 2.6.25 < 6.9.4" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 2.6.25 < 6.10 Search vendor "Linux" for product "Linux Kernel" and version " >= 2.6.25 < 6.10" | en |
Affected
|