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Message-ID: <2024082137-CVE-2024-43878-2b2b@gregkh> Date: Wed, 21 Aug 2024 08:07:42 +0800 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-43878: xfrm: Fix input error path memory access Description =========== 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/0x8b [ 54.962497] ? find_vma_intersection+0x8a/0x8a [ 54.963052] ? handle_mm_fault+0x38/0x154 [ 54.963556] ? handle_mm_fault+0xeb/0x154 [ 54.964059] ? preempt_latency_start+0x29/0x34 [ 54.964613] ? preempt_count_sub+0x14/0xb3 [ 54.965141] ? up_read+0x4b/0x5c [ 54.965557] __x64_sys_sendto+0x76/0x82 [ 54.966041] do_syscall_64+0x69/0xd5 [ 54.966497] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 54.967119] RIP: 0033:0x7f2d2fec9a73 [ 54.967572] Code: 8b 15 a9 83 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 80 3d 71 0b 0d 00 00 41 89 ca 74 14 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 75 c3 0f 1f 40 00 55 48 83 ec 30 44 89 4c 24 [ 54.969747] RSP: 002b:00007ffe85756418 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 54.970655] RAX: ffffffffffffffda RBX: 0000558bebad1340 RCX: 00007f2d2fec9a73 [ 54.971511] RDX: 0000000000000040 RSI: 0000558bebad73c0 RDI: 0000000000000003 [ 54.972366] RBP: 0000558bebad73c0 R08: 0000558bebad35c0 R09: 0000000000000010 [ 54.973234] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000040 [ 54.974091] R13: 00007ffe85757b00 R14: 0000001d00000001 R15: 0000558bebad4680 [ 54.974951] </TASK> [ 54.975244] ================================================================== [ 54.976133] Disabling lock debugging due to kernel taint [ 54.976784] Oops: stack segment: 0000 [#1] PREEMPT DEBUG_PAGEALLOC KASAN [ 54.977603] CPU: 0 PID: 512 Comm: ping Tainted: G B 6.9.0-08574-gcd29a4313a1b #25 [ 54.978654] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 54.979750] RIP: 0010:xfrmi_rcv_cb+0x2d/0x295 [ 54.980293] Code: 00 00 41 57 41 56 41 89 f6 41 55 41 54 55 53 48 89 fb 51 85 f6 75 31 48 89 df e8 d7 e8 ff ff 48 89 c5 48 89 c7 e8 8b a4 4f ff <48> 8b 7d 00 48 89 ee e8 eb f3 ff ff 49 89 c5 b8 01 00 00 00 4d 85 [ 54.982462] RSP: 0018:ffffc90000007990 EFLAGS: 00010282 [ 54.983099] RAX: 0000000000000001 RBX: ffff8881126e9900 RCX: fffffbfff07b77cd [ 54.983948] RDX: fffffbfff07b77cd RSI: fffffbfff07b77cd RDI: ffffffff83dbbe60 [ 54.984794] RBP: 6b6b6b6b00000000 R08: 0000000000000008 R09: 0000000000000001 [ 54.985647] R10: ffffffff83dbbe67 R11: fffffbfff07b77cc R12: 00000000ffffffff [ 54.986512] R13: 00000000ffffffff R14: 00000000ffffffff R15: 0000000000000002 [ 54.987365] FS: 00007f2d2fc0dc40(0000) GS:ffffffff82eb2000(0000) knlGS:0000000000000000 [ 54.988329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.989026] CR2: 00007ffe85755ff8 CR3: 0000000109941000 CR4: 0000000000350ef0 [ 54.989897] Call Trace: [ 54.990223] <IRQ> [ 54.990500] ? __die_body+0x1a/0x56 [ 54.990950] ? die+0x30/0x49 [ 54.991326] ? do_trap+0x9b/0x132 [ 54.991751] ? do_error_trap+0x7d/0xaf [ 54.992223] ? exc_stack_segment+0x35/0x45 [ 54.992734] ? asm_exc_stack_segment+0x22/0x30 [ 54.993294] ? xfrmi_rcv_cb+0x2d/0x295 [ 54.993764] ? xfrm4_rcv_cb+0x3d/0x5e [ 54.994228] xfrm4_rcv_cb+0x46/0x5e [ 54.994670] xfrm_rcv_cb+0x7e/0xa1 [ 54.995106] xfrm_input+0x1b3a/0x1b96 [ 54.995572] ? xfrm_offload+0x41/0x41 [ 54.996038] ? raw_rcv+0x292/0x292 [ 54.996472] ? nf_conntrack_confirm+0xa2/0xa2 [ 54.997011] ? skb_sec_path+0xd/0x3f [ 54.997466] ? xfrmi_input+0x90/0xce [ 54.997925] xfrm4_esp_rcv+0x33/0x54 [ 54.998378] ip_protocol_deliver_rcu+0xd7/0x1b2 [ 54.998944] ip_local_deliver_finish+0x110/0x120 [ 54.999520] ? ip_protocol_deliver_rcu+0x1b2/0x1b2 [ 55.000111] NF_HOOK.constprop.0+0xf8/0x138 [ 55.000630] ? ip_sublist_rcv_finish+0x68/0x68 [ 55.001195] ? secure_tcpv6_ts_off+0x23/0x168 [ 55.001743] ? ip_protocol_deliver_rcu+0x1b2/0x1b2 [ 55.002331] ? __xfrm_policy_check2.constprop.0+0x18d/0x18d [ 55.003008] NF_HOOK.constprop.0+0xf8/0x138 [ 55.003527] ? ip_sublist_rcv_finish+0x68/0x68 [ 55.004078] ? __xfrm_policy_check2.constprop.0+0x18d/0x18d [ 55.004755] ? ip_local_deliver_finish+0x120/0x120 [ 55.005351] __netif_receive_skb_one_core+0xc9/0x107 [ 55.005972] ? __netif_receive_skb_list_core+0x1c2/0x1c2 [ 55.006626] ? blk_mq_start_stopped_hw_queues+0xc7/0xf9 [ 55.007266] ? blk_mq_start_stopped_hw_queue+0x38/0x38 [ 55.007899] ? virtqueue_get_buf_ctx+0x295/0x46b [ 55.008476] process_backlog+0xb3/0x187 [ 55.008961] __napi_poll.constprop.0+0x57/0x1a7 [ 55.009540] net_rx_action+0x1cb/0x380 [ 55.010020] ? __napi_poll.constprop.0+0x1a7/0x1a7 [ 55.010610] ? vring_new_virtqueue+0x17a/0x17a [ 55.011173] ? note_interrupt+0x2cd/0x367 [ 55.011675] handle_softirqs+0x13c/0x2c9 [ 55.012169] do_softirq+0x5f/0x7d [ 55.012597] </IRQ> [ 55.012882] <TASK> [ 55.013179] __local_bh_enable_ip+0x48/0x62 [ 55.013704] __neigh_event_send+0x3fd/0x4ca [ 55.014227] neigh_resolve_output+0x1e/0x210 [ 55.014761] ip_finish_output2+0x4bf/0x4f0 [ 55.015278] ? __ip_finish_output+0x171/0x1b8 [ 55.015823] ip_send_skb+0x25/0x57 [ 55.016261] raw_sendmsg+0xf95/0x10c0 [ 55.016729] ? check_new_pages+0x45/0x71 [ 55.017229] ? raw_hash_sk+0x21b/0x21b [ 55.017708] ? kernel_init_pages+0x42/0x51 [ 55.018225] ? prep_new_page+0x44/0x51 [ 55.018704] ? get_page_from_freelist+0x72b/0x915 [ 55.019292] ? signal_pending_state+0x77/0x77 [ 55.019840] ? preempt_count_sub+0x14/0xb3 [ 55.020357] ? __might_resched+0x8a/0x240 [ 55.020860] ? __might_sleep+0x25/0xa0 [ 55.021345] ? first_zones_zonelist+0x2c/0x43 [ 55.021896] ? __rcu_read_lock+0x2d/0x3a [ 55.022396] ? __pte_offset_map+0x32/0xa4 [ 55.022901] ? __might_resched+0x8a/0x240 [ 55.023404] ? __might_sleep+0x25/0xa0 [ 55.023879] ? inet_send_prepare+0x54/0x54 [ 55.024391] ? sock_sendmsg_nosec+0x42/0x6c [ 55.024918] sock_sendmsg_nosec+0x42/0x6c [ 55.025428] __sys_sendto+0x15d/0x1cc [ 55.025892] ? __x64_sys_getpeername+0x44/0x44 [ 55.026441] ? __handle_mm_fault+0x679/0xae4 [ 55.026988] ? find_vma+0x6b/0x8b [ 55.027414] ? find_vma_intersection+0x8a/0x8a [ 55.027966] ? handle_mm_fault+0x38/0x154 [ 55.028470] ? handle_mm_fault+0xeb/0x154 [ 55.028972] ? preempt_latency_start+0x29/0x34 [ 55.029532] ? preempt_count_sub+0x14/0xb3 [ 55.030047] ? up_read+0x4b/0x5c [ 55.030463] __x64_sys_sendto+0x76/0x82 [ 55.030949] do_syscall_64+0x69/0xd5 [ 55.031406] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 55.032028] RIP: 0033:0x7f2d2fec9a73 [ 55.032481] Code: 8b 15 a9 83 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 80 3d 71 0b 0d 00 00 41 89 ca 74 14 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 75 c3 0f 1f 40 00 55 48 83 ec 30 44 89 4c 24 [ 55.034660] RSP: 002b:00007ffe85756418 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 55.035567] RAX: ffffffffffffffda RBX: 0000558bebad1340 RCX: 00007f2d2fec9a73 [ 55.036424] RDX: 0000000000000040 RSI: 0000558bebad73c0 RDI: 0000000000000003 [ 55.037293] RBP: 0000558bebad73c0 R08: 0000558bebad35c0 R09: 0000000000000010 [ 55.038153] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000040 [ 55.039012] R13: 00007ffe85757b00 R14: 0000001d00000001 R15: 0000558bebad4680 [ 55.039871] </TASK> [ 55.040167] Modules linked in: [ 55.040585] ---[ end trace 0000000000000000 ]--- [ 55.041164] RIP: 0010:xfrmi_rcv_cb+0x2d/0x295 [ 55.041714] Code: 00 00 41 57 41 56 41 89 f6 41 55 41 54 55 53 48 89 fb 51 85 f6 75 31 48 89 df e8 d7 e8 ff ff 48 89 c5 48 89 c7 e8 8b a4 4f ff <48> 8b 7d 00 48 89 ee e8 eb f3 ff ff 49 89 c5 b8 01 00 00 00 4d 85 [ 55.043889] RSP: 0018:ffffc90000007990 EFLAGS: 00010282 [ 55.044528] RAX: 0000000000000001 RBX: ffff8881126e9900 RCX: fffffbfff07b77cd [ 55.045386] RDX: fffffbfff07b77cd RSI: fffffbfff07b77cd RDI: ffffffff83dbbe60 [ 55.046250] RBP: 6b6b6b6b00000000 R08: 0000000000000008 R09: 0000000000000001 [ 55.047104] R10: ffffffff83dbbe67 R11: fffffbfff07b77cc R12: 00000000ffffffff [ 55.047960] R13: 00000000ffffffff R14: 00000000ffffffff R15: 0000000000000002 [ 55.048820] FS: 00007f2d2fc0dc40(0000) GS:ffffffff82eb2000(0000) knlGS:0000000000000000 [ 55.049805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.050507] CR2: 00007ffe85755ff8 CR3: 0000000109941000 CR4: 0000000000350ef0 [ 55.051366] Kernel panic - not syncing: Fatal exception in interrupt [ 55.052136] Kernel Offset: disabled [ 55.052577] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- The Linux kernel CVE team has assigned CVE-2024-43878 to this issue. Affected and fixed versions =========================== Issue introduced in 6.10 with commit 304b44f0d5a4 and fixed in 6.10.3 with commit a4c10813bc39 Issue introduced in 6.10 with commit 304b44f0d5a4 and fixed in 6.11-rc1 with commit 54fcc6189dfb Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2024-43878 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: net/xfrm/xfrm_input.c Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/a4c10813bc394ff2b5c61f913971be216f8f8834 https://git.kernel.org/stable/c/54fcc6189dfb822eea984fa2b3e477a02447279d
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