In the Linux kernel, the following vulnerability has been resolved:
cifs: fix warning when destroy 'cifs_io_request_pool'
There's a issue as follows: WARNING: CPU: 1 PID: 27826 at mm/slub.c:4698 free_large_kmalloc+0xac/0xe0 RIP: 0010:free_large_kmalloc+0xac/0xe0 Call Trace: <TASK> ? __warn+0xea/0x330 mempool_destroy+0x13f/0x1d0 init_cifs+0xa50/0xff0 [cifs] do_one_initcall+0xdc/0x550 do_init_module+0x22d/0x6b0 load_module+0x4e96/0x5ff0 init_module_from_file+0xcd/0x130 idempotent_init_module+0x330/0x620 __x64_sys_finit_module+0xb3/0x110 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Obviously, 'cifs_io_request_pool' is not created by mempool_create(). So just use mempool_exit() to revert 'cifs_io_request_pool'.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Ubuntu | — | Upgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-lowlatencyUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-6.11.0-1009-awsUpgrade linux-image-azure-fdeUpgrade linux-image-oracleUpgrade linux-image-oem-24.04bUpgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-azureUpgrade linux-image-awsUpgrade linux-image-raspiUpgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-realtimeUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-64kUpgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-oem-24.04aUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-virtualUpgrade linux-image-genericUpgrade linux-image-oracle-64kUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-6.11.0-18-genericUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-oem-24.04Upgrade linux-image-gcpUpgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-6.11.0-1011-oracle | Feb 20, 2025 | Nov 5, 2024 |
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