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TI-2025-15619 Aliases CVE-2025-21662GHSA-2ww6-2gwx-v942

net/mlx5: Fix variable not being completed when function returns

Priority LOW 24Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix variable not being completed when function returns When cmd_alloc_index(), fails cmd_work_handler() needs to complete ent->slotted before returning early. Otherwise the task which issued the command may hang: mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): failed to allocate command entry INFO: task kworker/13:2:4055883 blocked for more than 120 seconds. Not tainted 4.19.90-25.44.v2101.ky10.aarch64 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/13:2 D 0 4055883 2 0x00000228 Workqueue: events mlx5e_tx_dim_work [mlx5_core] Call trace: __switch_to+0xe8/0x150 __schedule+0x2a8/0x9b8 schedule+0x2c/0x88 schedule_timeout+0x204/0x478 wait_for_common+0x154/0x250 wait_for_completion+0x28/0x38 cmd_exec+0x7a0/0xa00 [mlx5_core] mlx5_cmd_exec+0x54/0x80 [mlx5_core] mlx5_core_modify_cq+0x6c/0x80 [mlx5_core] mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core] mlx5e_tx_dim_work+0x54/0x68 [mlx5_core] process_one_work+0x1b0/0x448 worker_thread+0x54/0x468 kthread+0x134/0x138 ret_from_fork+0x10/0x18

Why it matters now

EPSS 0.00203 10th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 6.1.125, 6.6.72, 6.9 +3

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux6.1.93 to before 6.1.125; 6.6.33 to before 6.6.72; 6.8.12 to before 6.9; 6.9.3 to before 6.106.1.125, 6.6.72, 6.9, 6.10Patch availableCNA
LinuxLinux6.10 and later6.1.125, 6.6.72, 6.12.10, 6.13Patch availableCNA
  • Linux VendorLinux Affected 6.1.93 to before 6.1.125; 6.6.33 to before 6.6.72; 6.8.12 to before 6.9; 6.9.3 to before 6.10 Fixed in 6.1.125, 6.6.72, 6.9, 6.10 Patch available CNA
  • Linux VendorLinux Affected 6.10 and later Fixed in 6.1.125, 6.6.72, 6.12.10, 6.13 Patch available CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*6.1.93 to before 6.1.125; 6.6.33 to before 6.6.72; 6.8.12 to before 6.9; 6.9.3 to before 6.12.10VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*6.13 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*6.13 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*6.13 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*6.13 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*6.13 rc5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*6.13 rc6VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 6.1.93 to before 6.1.125; 6.6.33 to before 6.6.72; 6.8.12 to before 6.9; 6.9.3 to before 6.12.10 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:* Versions 6.13 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:* Versions 6.13 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:* Versions 6.13 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:* Versions 6.13 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:* Versions 6.13 rc5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:* Versions 6.13 rc6 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 6.1.125, 6.6.72, 6.9, 6.10
  • Fix · CNA Linux (Linux) Fixed in 6.1.125, 6.6.72, 6.12.10, 6.13

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 5 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-21662
  2. 2026-10-03 Alias added: GHSA-2ww6-2gwx-v942

References

Patch 4

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences