CVE-2024-43878CWE-125

CVE-2024-43878

High · published August 21, 2024

CVSS v3.1
8.1
EPSS
0%
Percentile
34.4
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

xfrm: Fix input error path memory access

When there is a misconfiguration of input state slow path

KASAN report error. Fix this error.

west login:

[ 52.987278] eth1: renamed from veth11

[ 53.078814] eth1: renamed from veth21

[ 53.181355] eth1: renamed from veth31

[ 54.921702] ==================================================================

[ 54.922602] BUG: KASAN: wild-memory-access in xfrmi_rcv_cb+0x2d/0x295

[ 54.923393] Read of size 8 at addr 6b6b6b6b00000000 by task ping/512

[ 54.924169]

[ 54.924386] CPU: 0 PID: 512 Comm: ping Not tainted 6.9.0-08574-gcd29a4313a1b #25

[ 54.925290] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014

[ 54.926401] Call Trace:

[ 54.926731] <IRQ>

[ 54.927009] dump_stack_lvl+0x2a/0x3b

[ 54.927478] kasan_report+0x84/0xa6

[ 54.927930] ? xfrmi_rcv_cb+0x2d/0x295

[ 54.928410] xfrmi_rcv_cb+0x2d/0x295

[ 54.928872] ? xfrm4_rcv_cb+0x3d/0x5e

[ 54.929354] xfrm4_rcv_cb+0x46/0x5e

[ 54.929804] xfrm_rcv_cb+0x7e/0xa1

[ 54.930240] xfrm_input+0x1b3a/0x1b96

[ 54.930715] ? xfrm_offload+0x41/0x41

[ 54.931182] ? raw_rcv+0x292/0x292

[ 54.931617] ? nf_conntrack_confirm+0xa2/0xa2

[ 54.932158] ? skb_sec_path+0xd/0x3f

[ 54.932610] ? xfrmi_input+0x90/0xce

[ 54.933066] xfrm4_esp_rcv+0x33/0x54

[ 54.933521] ip_protocol_deliver_rcu+0xd7/0x1b2

[ 54.934089] ip_local_deliver_finish+0x110/0x120

[ 54.934659] ? ip_protocol_deliver_rcu+0x1b2/0x1b2

[ 54.935248] NF_HOOK.constprop.0+0xf8/0x138

[ 54.935767] ? ip_sublist_rcv_finish+0x68/0x68

[ 54.936317] ? secure_tcpv6_ts_off+0x23/0x168

[ 54.936859] ? ip_protocol_deliver_rcu+0x1b2/0x1b2

[ 54.937454] ? __xfrm_policy_check2.constprop.0+0x18d/0x18d

[ 54.938135] NF_HOOK.constprop.0+0xf8/0x138

[ 54.938663] ? ip_sublist_rcv_finish+0x68/0x68

[ 54.939220] ? __xfrm_policy_check2.constprop.0+0x18d/0x18d

[ 54.939904] ? ip_local_deliver_finish+0x120/0x120

[ 54.940497] __netif_receive_skb_one_core+0xc9/0x107

[ 54.941121] ? __netif_receive_skb_list_core+0x1c2/0x1c2

[ 54.941771] ? blk_mq_start_stopped_hw_queues+0xc7/0xf9

[ 54.942413] ? blk_mq_start_stopped_hw_queue+0x38/0x38

[ 54.943044] ? virtqueue_get_buf_ctx+0x295/0x46b

[ 54.943618] process_backlog+0xb3/0x187

[ 54.944102] __napi_poll.constprop.0+0x57/0x1a7

[ 54.944669] net_rx_action+0x1cb/0x380

[ 54.945150] ? __napi_poll.constprop.0+0x1a7/0x1a7

[ 54.945744] ? vring_new_virtqueue+0x17a/0x17a

[ 54.946300] ? note_interrupt+0x2cd/0x367

[ 54.946805] handle_softirqs+0x13c/0x2c9

[ 54.947300] do_softirq+0x5f/0x7d

[ 54.947727] </IRQ>

[ 54.948014] <TASK>

[ 54.948300] __local_bh_enable_ip+0x48/0x62

[ 54.948832] __neigh_event_send+0x3fd/0x4ca

[ 54.949361] neigh_resolve_output+0x1e/0x210

[ 54.949896] ip_finish_output2+0x4bf/0x4f0

[ 54.950410] ? __ip_finish_output+0x171/0x1b8

[ 54.950956] ip_send_skb+0x25/0x57

[ 54.951390] raw_sendmsg+0xf95/0x10c0

[ 54.951850] ? check_new_pages+0x45/0x71

[ 54.952343] ? raw_hash_sk+0x21b/0x21b

[ 54.952815] ? kernel_init_pages+0x42/0x51

[ 54.953337] ? prep_new_page+0x44/0x51

[ 54.953811] ? get_page_from_freelist+0x72b/0x915

[ 54.954390] ? signal_pending_state+0x77/0x77

[ 54.954936] ? preempt_count_sub+0x14/0xb3

[ 54.955450] ? __might_resched+0x8a/0x240

[ 54.955951] ? __might_sleep+0x25/0xa0

[ 54.956424] ? first_zones_zonelist+0x2c/0x43

[ 54.956977] ? __rcu_read_lock+0x2d/0x3a

[ 54.957476] ? __pte_offset_map+0x32/0xa4

[ 54.957980] ? __might_resched+0x8a/0x240

[ 54.958483] ? __might_sleep+0x25/0xa0

[ 54.958963] ? inet_send_prepare+0x54/0x54

[ 54.959478] ? sock_sendmsg_nosec+0x42/0x6c

[ 54.960000] sock_sendmsg_nosec+0x42/0x6c

[ 54.960502] __sys_sendto+0x15d/0x1cc

[ 54.960966] ? __x64_sys_getpeername+0x44/0x44

[ 54.961522] ? __handle_mm_fault+0x679/0xae4

[ 54.962068] ? find_vma+0x6b/0x

---truncated---

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00412 · 34.4th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2024-08-21T05:15Z
Affected products (1)
ProductVersionsFixed in
linux/linux_kernel≥ 6.10, < 6.10.36.10.3
References (2)
EPSS history
Timeline
  • 21 AUG 00:06Z
    xfrm: Fix input error path memory access
    cvelistv5