CVE-2024-53046 arm64: dts: imx8ulp: correct the flexspi compatible string
Incorrect device tree configuration causes a kernel warning and potential instability during SPI flash initialization on i.MX8ULP devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-53046?
CVE-2024-53046 is a medium-severity vulnerability in Linux kernel, published on 19 Nov 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
arm64: dts: imx8ulp: correct the flexspi compatible string
The flexspi on imx8ulp only has 16 LUTs, and imx8mm flexspi has 32 LUTs, so correct the compatible string here, otherwise will meet below error:
[ 1.119072] ------------[ cut here ]------------ [ 1.123926] WARNING: CPU: 0 PID: 1 at drivers/spi/spi-nxp-fspi.c:855 nxp_fspi_exec_op+0xb04/0xb64 [ 1.133239] Modules linked in: [ 1.136448] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.11.0-rc6-next-20240902-00001-g131bf9439dd9 #69 [ 1.146821] Hardware name: NXP i.MX8ULP EVK (DT) [ 1.151647] pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 1.158931] pc : nxp_fspi_exec_op+0xb04/0xb64 [ 1.163496] lr : nxp_fspi_exec_op+0xa34/0xb64 [ 1.168060] sp : ffff80008002b2a0 [ 1.171526] x29: ffff80008002b2d0 x28: 0000000000000000 x27: 0000000000000000 [ 1.179002] x26: ffff2eb645542580 x25: ffff800080610014 x24: ffff800080610000 [ 1.186480] x23: ffff2eb645548080 x22: 0000000000000006 x21: ffff2eb6455425e0 [ 1.193956] x20: 0000000000000000 x19: ffff80008002b5e0 x18: ffffffffffffffff [ 1.201432] x17: ffff2eb644467508 x16: 0000000000000138 x15: 0000000000000002 [ 1.208907] x14: 0000000000000000 x13: ffff2eb6400d8080 x12: 00000000ffffff00 [ 1.216378] x11: 0000000000000000 x10: ffff2eb6400d8080 x9 : ffff2eb697adca80 [ 1.223850] x8 : ffff2eb697ad3cc0 x7 : 0000000100000000 x6 : 0000000000000001 [ 1.231324] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 00000000000007a6 [ 1.238795] x2 : 0000000000000000 x1 : 00000000000001ce x0 : 00000000ffffff92 [ 1.246267] Call trace: [ 1.248824] nxp_fspi_exec_op+0xb04/0xb64 [ 1.253031] spi_mem_exec_op+0x3a0/0x430 [ 1.257139] spi_nor_read_id+0x80/0xcc [ 1.261065] spi_nor_scan+0x1ec/0xf10 [ 1.264901] spi_nor_probe+0x108/0x2fc [ 1.268828] spi_mem_probe+0x6c/0xbc [ 1.272574] spi_probe+0x84/0xe4 [ 1.275958] really_probe+0xbc/0x29c [ 1.279713] __driver_probe_device+0x78/0x12c [ 1.284277] driver_probe_device+0xd8/0x15c [ 1.288660] __device_attach_driver+0xb8/0x134 [ 1.293316] bus_for_each_drv+0x88/0xe8 [ 1.297337] __device_attach+0xa0/0x190 [ 1.301353] device_initial_probe+0x14/0x20 [ 1.305734] bus_probe_device+0xac/0xb0 [ 1.309752] device_add+0x5d0/0x790 [ 1.313408] __spi_add_device+0x134/0x204 [ 1.317606] of_register_spi_device+0x3b4/0x590 [ 1.322348] spi_register_controller+0x47c/0x754 [ 1.327181] devm_spi_register_controller+0x4c/0xa4 [ 1.332289] nxp_fspi_probe+0x1cc/0x2b0 [ 1.336307] platform_probe+0x68/0xc4 [ 1.340145] really_probe+0xbc/0x29c [ 1.343893] __driver_probe_device+0x78/0x12c [ 1.348457] driver_probe_device+0xd8/0x15c [ 1.352838] __driver_attach+0x90/0x19c [ 1.356857] bus_for_each_dev+0x7c/0xdc [ 1.360877] driver_attach+0x24/0x30 [ 1.364624] bus_add_driver+0xe4/0x208 [ 1.368552] driver_register+0x5c/0x124 [ 1.372573] __platform_driver_register+0x28/0x34 [ 1.377497] nxp_fspi_driver_init+0x1c/0x28 [ 1.381888] do_one_initcall+0x80/0x1c8 [ 1.385908] kernel_init_freeable+0x1c4/0x28c [ 1.390472] kernel_init+0x20/0x1d8 [ 1.394138] ret_from_fork+0x10/0x20 [ 1.397885] ---[ end trace 0000000000000000 ]--- [ 1.407908] ------------[ cut here ]------------
Which versions are affected by CVE-2024-53046?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-53046?
Apply the vendor's patch.
Is CVE-2024-53046 being exploited?
There is no known exploitation of CVE-2024-53046 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-53858, BELL-CVE-2024-53046, DEBIAN-CVE-2024-53046, GHSA-8hgx-89h7-3vhm, UBUNTU-CVE-2024-53046.