CVE-2023-53041
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Perform lockless command completion in abort path While adding and removing the controller, the following call trace was observed: WARNING: CPU: 3 PID: 623596 at kernel/dma/mapping.c:532 dma_free_attrs+0x33/0x50 CPU: 3 PID: 623596 Comm: sh Kdump: loaded Not tainted 5.14.0-96.el9.x86_64 #1 RIP: 0010:dma_free_attrs+0x33/0x50 Call Trace: qla2x00_async_sns_sp_done+0x107/0x1b0 [qla2xxx] qla2x00_abort_srb+0x8e/0x250 [qla2xxx] ? ql_dbg+0x70/0x100 [qla2xxx] __qla2x00_abort_all_cmds+0x108/0x190 [qla2xxx] qla2x00_abort_all_cmds+0x24/0x70 [qla2xxx] qla2x00_abort_isp_cleanup+0x305/0x3e0 [qla2xxx] qla2x00_remove_one+0x364/0x400 [qla2xxx] pci_device_remove+0x36/0xa0 __device_release_driver+0x17a/0x230 device_release_driver+0x24/0x30 pci_stop_bus_device+0x68/0x90 pci_stop_and_remove_bus_device_locked+0x16/0x30 remove_store+0x75/0x90 kernfs_fop_write_iter+0x11c/0x1b0 new_sync_write+0x11f/0x1b0 vfs_write+0x1eb/0x280 ksys_write+0x5f/0xe0 do_syscall_64+0x5c/0x80 ? do_user_addr_fault+0x1d8/0x680 ? do_syscall_64+0x69/0x80 ? exc_page_fault+0x62/0x140 ? asm_exc_page_fault+0x8/0x30 entry_SYSCALL_64_after_hwframe+0x44/0xae The command was completed in the abort path during driver unload with a lock held, causing the warning in abort path. Hence complete the command without any lock held.
How to fix
- linux linux_kernel5.4.240, 5.10.177, 5.15.105, 6.1.22, 6.2.9 or later
- git.kernel.org/stable/c/0367076b0817d5c75dfb83001ce7ce5c64d803a9
- git.kernel.org/stable/c/231cfa78ec5badd84a1a2b09465bfad1a926aba1
- git.kernel.org/stable/c/415d614344a4f1bbddf55d724fc7eb9ef4b39aad
- git.kernel.org/stable/c/9189f20b4c5307c0998682bb522e481b4567a8b8
- git.kernel.org/stable/c/cd0a1804ac5bab2545ac700c8d0fe9ae9284c567
- git.kernel.org/stable/c/d6f7377528d2abf338e504126e44439541be8f7d
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.4.240, 5.5 ≤ v < 5.10.177, 5.11 ≤ v < 5.15.105, 5.16 ≤ v < 6.1.22, 6.2 ≤ v < 6.2.9, 6.3 | 5.4.240, 5.10.177, 5.15.105, 6.1.22, 6.2.9 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.