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

xfrm: Reinject transport-mode packets through workqueue

The following warning is displayed when the tcp6-multi-diffip11 stress
test case of the LTP test suite is tested:

watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [ns-tcpserver:48198]
CPU: 0 PID: 48198 Comm: ns-tcpserver Kdump: loaded Not tainted 6.0.0-rc6+ #39
Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : des3_ede_encrypt+0x27c/0x460 [libdes]
lr : 0x3f
sp : ffff80000ceaa1b0
x29: ffff80000ceaa1b0 x28: ffff0000df056100 x27: ffff0000e51e5280
x26: ffff80004df75030 x25: ffff0000e51e4600 x24: 000000000000003b
x23: 0000000000802080 x22: 000000000000003d x21: 0000000000000038
x20: 0000000080000020 x19: 000000000000000a x18: 0000000000000033
x17: ffff0000e51e4780 x16: ffff80004e2d1448 x15: ffff80004e2d1248
x14: ffff0000e51e4680 x13: ffff80004e2d1348 x12: ffff80004e2d1548
x11: ffff80004e2d1848 x10: ffff80004e2d1648 x9 : ffff80004e2d1748
x8 : ffff80004e2d1948 x7 : 000000000bcaf83d x6 : 000000000000001b
x5 : ffff80004e2d1048 x4 : 00000000761bf3bf x3 : 000000007f1dd0a3
x2 : ffff0000e51e4780 x1 : ffff0000e3b9a2f8 x0 : 00000000db44e872
Call trace:
des3_ede_encrypt+0x27c/0x460 [libdes]
crypto_des3_ede_encrypt+0x1c/0x30 [des_generic]
crypto_cbc_encrypt+0x148/0x190
crypto_skcipher_encrypt+0x2c/0x40
crypto_authenc_encrypt+0xc8/0xfc [authenc]
crypto_aead_encrypt+0x2c/0x40
echainiv_encrypt+0x144/0x1a0 [echainiv]
crypto_aead_encrypt+0x2c/0x40
esp6_output_tail+0x1c8/0x5d0 [esp6]
esp6_output+0x120/0x278 [esp6]
xfrm_output_one+0x458/0x4ec
xfrm_output_resume+0x6c/0x1f0
xfrm_output+0xac/0x4ac
__xfrm6_output+0x130/0x270
xfrm6_output+0x60/0xec
ip6_xmit+0x2ec/0x5bc
inet6_csk_xmit+0xbc/0x10c
__tcp_transmit_skb+0x460/0x8c0
tcp_write_xmit+0x348/0x890
__tcp_push_pending_frames+0x44/0x110
tcp_rcv_established+0x3c8/0x720
tcp_v6_do_rcv+0xdc/0x4a0
tcp_v6_rcv+0xc24/0xcb0
ip6_protocol_deliver_rcu+0xf0/0x574
ip6_input_finish+0x48/0x7c
ip6_input+0x48/0xc0
ip6_rcv_finish+0x80/0x9c
xfrm_trans_reinject+0xb0/0xf4
tasklet_action_common.constprop.0+0xf8/0x134
tasklet_action+0x30/0x3c
__do_softirq+0x128/0x368
do_softirq+0xb4/0xc0
__local_bh_enable_ip+0xb0/0xb4
put_cpu_fpsimd_context+0x40/0x70
kernel_neon_end+0x20/0x40
sha1_base_do_update.constprop.0.isra.0+0x11c/0x140 [sha1_ce]
sha1_ce_finup+0x94/0x110 [sha1_ce]
crypto_shash_finup+0x34/0xc0
hmac_finup+0x48/0xe0
crypto_shash_finup+0x34/0xc0
shash_digest_unaligned+0x74/0x90
crypto_shash_digest+0x4c/0x9c
shash_ahash_digest+0xc8/0xf0
shash_async_digest+0x28/0x34
crypto_ahash_digest+0x48/0xcc
crypto_authenc_genicv+0x88/0xcc [authenc]
crypto_authenc_encrypt+0xd8/0xfc [authenc]
crypto_aead_encrypt+0x2c/0x40
echainiv_encrypt+0x144/0x1a0 [echainiv]
crypto_aead_encrypt+0x2c/0x40
esp6_output_tail+0x1c8/0x5d0 [esp6]
esp6_output+0x120/0x278 [esp6]
xfrm_output_one+0x458/0x4ec
xfrm_output_resume+0x6c/0x1f0
xfrm_output+0xac/0x4ac
__xfrm6_output+0x130/0x270
xfrm6_output+0x60/0xec
ip6_xmit+0x2ec/0x5bc
inet6_csk_xmit+0xbc/0x10c
__tcp_transmit_skb+0x460/0x8c0
tcp_write_xmit+0x348/0x890
__tcp_push_pending_frames+0x44/0x110
tcp_push+0xb4/0x14c
tcp_sendmsg_locked+0x71c/0xb64
tcp_sendmsg+0x40/0x6c
inet6_sendmsg+0x4c/0x80
sock_sendmsg+0x5c/0x6c
__sys_sendto+0x128/0x15c
__arm64_sys_sendto+0x30/0x40
invoke_syscall+0x50/0x120
el0_svc_common.constprop.0+0x170/0x194
do_el0_svc+0x38/0x4c
el0_svc+0x28/0xe0
el0t_64_sync_handler+0xbc/0x13c
el0t_64_sync+0x180/0x184

Get softirq info by bcc tool:
./softirqs -NT 10
Tracing soft irq event time... Hit Ctrl-C to end.

15:34:34
SOFTIRQ TOTAL_nsecs
block 158990
timer 20030920
sched 46577080
net_rx 676746820
tasklet 9906067650

15:34:45
SOFTIRQ TOTAL_nsecs
block 86100
sched 38849790
net_rx
---truncated---

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 16 Jan 2026 20:00:00 +0000

Type Values Removed Values Added
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.15:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.15:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.15:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.15:rc8:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.15:rc9:*:*:*:*:*:*

Thu, 02 Oct 2025 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Vendors & Products Linux
Linux linux Kernel

Thu, 02 Oct 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Low


Wed, 01 Oct 2025 12:00:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: xfrm: Reinject transport-mode packets through workqueue The following warning is displayed when the tcp6-multi-diffip11 stress test case of the LTP test suite is tested: watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [ns-tcpserver:48198] CPU: 0 PID: 48198 Comm: ns-tcpserver Kdump: loaded Not tainted 6.0.0-rc6+ #39 Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : des3_ede_encrypt+0x27c/0x460 [libdes] lr : 0x3f sp : ffff80000ceaa1b0 x29: ffff80000ceaa1b0 x28: ffff0000df056100 x27: ffff0000e51e5280 x26: ffff80004df75030 x25: ffff0000e51e4600 x24: 000000000000003b x23: 0000000000802080 x22: 000000000000003d x21: 0000000000000038 x20: 0000000080000020 x19: 000000000000000a x18: 0000000000000033 x17: ffff0000e51e4780 x16: ffff80004e2d1448 x15: ffff80004e2d1248 x14: ffff0000e51e4680 x13: ffff80004e2d1348 x12: ffff80004e2d1548 x11: ffff80004e2d1848 x10: ffff80004e2d1648 x9 : ffff80004e2d1748 x8 : ffff80004e2d1948 x7 : 000000000bcaf83d x6 : 000000000000001b x5 : ffff80004e2d1048 x4 : 00000000761bf3bf x3 : 000000007f1dd0a3 x2 : ffff0000e51e4780 x1 : ffff0000e3b9a2f8 x0 : 00000000db44e872 Call trace: des3_ede_encrypt+0x27c/0x460 [libdes] crypto_des3_ede_encrypt+0x1c/0x30 [des_generic] crypto_cbc_encrypt+0x148/0x190 crypto_skcipher_encrypt+0x2c/0x40 crypto_authenc_encrypt+0xc8/0xfc [authenc] crypto_aead_encrypt+0x2c/0x40 echainiv_encrypt+0x144/0x1a0 [echainiv] crypto_aead_encrypt+0x2c/0x40 esp6_output_tail+0x1c8/0x5d0 [esp6] esp6_output+0x120/0x278 [esp6] xfrm_output_one+0x458/0x4ec xfrm_output_resume+0x6c/0x1f0 xfrm_output+0xac/0x4ac __xfrm6_output+0x130/0x270 xfrm6_output+0x60/0xec ip6_xmit+0x2ec/0x5bc inet6_csk_xmit+0xbc/0x10c __tcp_transmit_skb+0x460/0x8c0 tcp_write_xmit+0x348/0x890 __tcp_push_pending_frames+0x44/0x110 tcp_rcv_established+0x3c8/0x720 tcp_v6_do_rcv+0xdc/0x4a0 tcp_v6_rcv+0xc24/0xcb0 ip6_protocol_deliver_rcu+0xf0/0x574 ip6_input_finish+0x48/0x7c ip6_input+0x48/0xc0 ip6_rcv_finish+0x80/0x9c xfrm_trans_reinject+0xb0/0xf4 tasklet_action_common.constprop.0+0xf8/0x134 tasklet_action+0x30/0x3c __do_softirq+0x128/0x368 do_softirq+0xb4/0xc0 __local_bh_enable_ip+0xb0/0xb4 put_cpu_fpsimd_context+0x40/0x70 kernel_neon_end+0x20/0x40 sha1_base_do_update.constprop.0.isra.0+0x11c/0x140 [sha1_ce] sha1_ce_finup+0x94/0x110 [sha1_ce] crypto_shash_finup+0x34/0xc0 hmac_finup+0x48/0xe0 crypto_shash_finup+0x34/0xc0 shash_digest_unaligned+0x74/0x90 crypto_shash_digest+0x4c/0x9c shash_ahash_digest+0xc8/0xf0 shash_async_digest+0x28/0x34 crypto_ahash_digest+0x48/0xcc crypto_authenc_genicv+0x88/0xcc [authenc] crypto_authenc_encrypt+0xd8/0xfc [authenc] crypto_aead_encrypt+0x2c/0x40 echainiv_encrypt+0x144/0x1a0 [echainiv] crypto_aead_encrypt+0x2c/0x40 esp6_output_tail+0x1c8/0x5d0 [esp6] esp6_output+0x120/0x278 [esp6] xfrm_output_one+0x458/0x4ec xfrm_output_resume+0x6c/0x1f0 xfrm_output+0xac/0x4ac __xfrm6_output+0x130/0x270 xfrm6_output+0x60/0xec ip6_xmit+0x2ec/0x5bc inet6_csk_xmit+0xbc/0x10c __tcp_transmit_skb+0x460/0x8c0 tcp_write_xmit+0x348/0x890 __tcp_push_pending_frames+0x44/0x110 tcp_push+0xb4/0x14c tcp_sendmsg_locked+0x71c/0xb64 tcp_sendmsg+0x40/0x6c inet6_sendmsg+0x4c/0x80 sock_sendmsg+0x5c/0x6c __sys_sendto+0x128/0x15c __arm64_sys_sendto+0x30/0x40 invoke_syscall+0x50/0x120 el0_svc_common.constprop.0+0x170/0x194 do_el0_svc+0x38/0x4c el0_svc+0x28/0xe0 el0t_64_sync_handler+0xbc/0x13c el0t_64_sync+0x180/0x184 Get softirq info by bcc tool: ./softirqs -NT 10 Tracing soft irq event time... Hit Ctrl-C to end. 15:34:34 SOFTIRQ TOTAL_nsecs block 158990 timer 20030920 sched 46577080 net_rx 676746820 tasklet 9906067650 15:34:45 SOFTIRQ TOTAL_nsecs block 86100 sched 38849790 net_rx ---truncated---
Title xfrm: Reinject transport-mode packets through workqueue
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-10-01T11:45:19.954Z

Reserved: 2025-09-17T14:53:07.010Z

Link: CVE-2022-50445

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2025-10-01T12:15:36.897

Modified: 2026-01-16T19:50:34.717

Link: CVE-2022-50445

cve-icon Redhat

Severity : Low

Publid Date: 2025-10-01T00:00:00Z

Links: CVE-2022-50445 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-10-02T08:39:54Z

Weaknesses