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In the Linux kernel, the following vulnerability has been resolved:
spi: spi-fsl-dspi: Fix crash when not using GPIO chip select
Add check for the return value of spi_get_csgpiod() to avoid passing a NULL pointer to gpiod_direction_output(), preventing a crash when GPIO chip select is not used.
Fix below crash: [ 4.251960] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 4.260762] Mem abort info: [ 4.263556] ESR = 0x0000000096000004 [ 4.267308] EC = 0x25: DABT (current EL), IL = 32 bits [ 4.272624] SET = 0, FnV = 0 [ 4.275681] EA = 0, S1PTW = 0 [ 4.278822] FSC = 0x04: level 0 translation fault [ 4.283704] Data abort info: [ 4.286583] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 4.292074] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 4.297130] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 4.302445] [0000000000000000] user address but active_mm is swapper [ 4.308805] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP [ 4.315072] Modules linked in: [ 4.318124] CPU: 2 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.0-rc4-next-20241023-00008-ga20ec42c5fc1 #359 [ 4.328130] Hardware name: LS1046A QDS Board (DT) [ 4.332832] pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 4.339794] pc : gpiod_direction_output+0x34/0x5c [ 4.344505] lr : gpiod_direction_output+0x18/0x5c [ 4.349208] sp : ffff80008003b8f0 [ 4.352517] x29: ffff80008003b8f0 x28: 0000000000000000 x27: ffffc96bcc7e9068 [ 4.359659] x26: ffffc96bcc6e00b0 x25: ffffc96bcc598398 x24: ffff447400132810 [ 4.366800] x23: 0000000000000000 x22: 0000000011e1a300 x21: 0000000000020002 [ 4.373940] x20: 0000000000000000 x19: 0000000000000000 x18: ffffffffffffffff [ 4.381081] x17: ffff44740016e600 x16: 0000000500000003 x15: 0000000000000007 [ 4.388221] x14: 0000000000989680 x13: 0000000000020000 x12: 000000000000001e [ 4.395362] x11: 0044b82fa09b5a53 x10: 0000000000000019 x9 : 0000000000000008 [ 4.402502] x8 : 0000000000000002 x7 : 0000000000000007 x6 : 0000000000000000 [ 4.409641] x5 : 0000000000000200 x4 : 0000000002000000 x3 : 0000000000000000 [ 4.416781] x2 : 0000000000022202 x1 : 0000000000000000 x0 : 0000000000000000 [ 4.423921] Call trace: [ 4.426362] gpiod_direction_output+0x34/0x5c (P) [ 4.431067] gpiod_direction_output+0x18/0x5c (L) [ 4.435771] dspi_setup+0x220/0x334
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1026-nvidiaUpgrade linux-image-lowlatency-64kUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-nvidia-64kUpgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-6.11.0-18-genericUpgrade linux-image-raspi-realtimeUpgrade linux-image-azure-fdeUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-raspiUpgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-oem-22.04aUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.11.0-1015-oemUpgrade linux-image-6.8.0-1028-gcp-64kUpgrade linux-image-6.8.0-1027-azure-fdeUpgrade linux-image-ibm-classicUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-gcp-64kUpgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-1026-oemUpgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-generic-64kUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.8.0-1026-nvidia-lowlatency-64kUpgrade linux-image-oem-22.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-gcpUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-lowlatencyUpgrade linux-image-ibmUpgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-azureUpgrade linux-image-6.8.0-1010-gkeopUpgrade linux-image-genericUpgrade linux-image-oem-24.04Upgrade linux-image-azure-lts-24.04Upgrade linux-image-oracle-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-azure-nvidiaUpgrade linux-image-gkeopUpgrade linux-image-oem-22.04bUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-58-lowlatency-64kUpgrade linux-image-6.8.1-1020-realtimeUpgrade linux-image-6.8.0-1024-ibmUpgrade linux-image-oem-24.04aUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.11.0-1009-awsUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-nvidiaUpgrade linux-image-oem-22.04cUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-generic-lpaeUpgrade linux-image-kvmUpgrade linux-image-6.8.0-1028-gcpUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-oem-24.04bUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1024-oracle-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-gkeop-6.8Upgrade linux-image-realtimeUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-58-generic-64kUpgrade linux-image-oracleUpgrade linux-image-gkeUpgrade linux-image-awsUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-virtualUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-1026-nvidia-lowlatencyUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-6.8.0-58-lowlatencyUpgrade linux-image-6.8.0-1024-oracleUpgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-6.8.0-58-genericUpgrade linux-image-6.8.0-1023-gkeUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1027-azureUpgrade linux-image-6.8.0-1026-nvidia-64k | Feb 20, 2025 | Nov 9, 2024 |
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