In the Linux kernel, the following vulnerability has been resolved:
net: macb: Use dev_consume_skb_any() to free TX SKBs
The napi_consume_skb() function is not intended to be called in an IRQ disabled context. However, after commit 6bc8a5098bf4 ("net: macb: Fix tx_ptr_lock locking"), the freeing of TX SKBs is performed with IRQs disabled. To resolve the following call trace, use dev_consume_skb_any() for freeing TX SKBs: WARNING: kernel/softirq.c:430 at __local_bh_enable_ip+0x174/0x188, CPU#0: ksoftirqd/0/15 Modules linked in: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 7.0.0-rc4-next-20260319-yocto-standard-dirty #37 PREEMPT Hardware name: ZynqMP ZCU102 Rev1.1 (DT) pstate: 200000c5 (nzCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __local_bh_enable_ip+0x174/0x188 lr : local_bh_enable+0x24/0x38 sp : ffff800082b3bb10 x29: ffff800082b3bb10 x28: ffff0008031f3c00 x27: 000000000011ede0 x26: ffff000800a7ff00 x25: ffff800083937ce8 x24: 0000000000017a80 x23: ffff000803243a78 x22: 0000000000000040 x21: 0000000000000000 x20: ffff000800394c80 x19: 0000000000000200 x18: 0000000000000001 x17: 0000000000000001 x16: ffff000803240000 x15: 0000000000000000 x14: ffffffffffffffff x13: 0000000000000028 x12: ffff000800395650 x11: ffff8000821d1528 x10: ffff800081c2bc08 x9 : ffff800081c1e258 x8 : 0000000100000301 x7 : ffff8000810426ec x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000008 x1 : 0000000000000200 x0 : ffff8000810428dc Call trace: __local_bh_enable_ip+0x174/0x188 (P) local_bh_enable+0x24/0x38 skb_attempt_defer_free+0x190/0x1d8 napi_consume_skb+0x58/0x108 macb_tx_poll+0x1a4/0x558 __napi_poll+0x50/0x198 net_rx_action+0x1f4/0x3d8 handle_softirqs+0x16c/0x560 run_ksoftirqd+0x44/0x80 smpboot_thread_fn+0x1d8/0x338 kthread+0x120/0x150 ret_from_fork+0x10/0x20 irq event stamp: 29751 hardirqs last enabled at (29750): [<ffff8000813be184>] _raw_spin_unlock_irqrestore+0x44/0x88 hardirqs last disabled at (29751): [<ffff8000813bdf60>] _raw_spin_lock_irqsave+0x38/0x98 softirqs last enabled at (29150): [<ffff8000800f1aec>] handle_softirqs+0x504/0x560 softirqs last disabled at (29153): [<ffff8000800f2fec>] run_ksoftirqd+0x44/0x80
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | May 3, 2026 | May 3, 2026 |
| Ubuntu | — | Upgrade linux-image-generic-64k-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-ibm-classicUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1064-gcp-64kUpgrade linux-image-aws-64k-6.8Upgrade linux-image-gke-64kUpgrade linux-image-gkeopUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-oem-22.04Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-ibmUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-azure-fdeUpgrade linux-image-azure-fipsUpgrade linux-image-azure-lts-24.04Upgrade linux-image-fips-6.8Upgrade linux-image-gcpUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-1059-nvidia-lowlatencyUpgrade linux-image-ibm-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-6.8.0-1059-nvidia-64kUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-oem-20.04dUpgrade linux-image-azureUpgrade linux-image-generic-6.8Upgrade linux-image-azure-fips-6.8Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-nvidia-tegraUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-lowlatencyUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-1059-gkeUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-6.8.0-1033-xilinxUpgrade linux-image-6.8.0-1061-raspiUpgrade linux-image-oracle-64kUpgrade linux-image-6.8.0-1059-nvidia-lowlatency-64kUpgrade linux-image-aws-6.8Upgrade linux-image-virtualUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.8.0-1058-oracle-64kUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-genericUpgrade linux-image-6.8.0-1059-gke-64kUpgrade linux-image-6.8.0-1064-gcp-fipsUpgrade linux-image-6.8.0-1058-oracleUpgrade linux-image-oem-20.04bUpgrade linux-image-nvidiaUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-1030-nvidia-tegraUpgrade linux-image-oem-22.04cUpgrade linux-image-gcp-fipsUpgrade linux-image-6.8.0-1046-gkeopUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-oem-22.04aUpgrade linux-image-oem-22.04bUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-6.8.0-136-genericUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-6.8.0-136-lowlatencyUpgrade linux-image-generic-64kUpgrade linux-image-xilinxUpgrade linux-image-fipsUpgrade linux-image-realtimeUpgrade linux-image-6.8.0-2050-raspi-realtimeUpgrade linux-image-6.8.0-1063-azureUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1062-azure-fdeUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-gke-64k-6.8Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-oem-20.04cUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-1061-aws-fipsUpgrade linux-image-oracle-6.8Upgrade linux-image-6.8.0-1061-awsUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-aws-lts-24.04Upgrade linux-image-aws-fipsUpgrade linux-image-realtime-6.8.1Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-6.8.0-136-generic-64kUpgrade linux-image-aws-64kUpgrade linux-image-6.8.0-136-fipsUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-awsUpgrade linux-image-gcp-6.8Upgrade linux-image-azure-fde-6.8Upgrade linux-image-6.8.0-1061-aws-64kUpgrade linux-image-6.8.0-1030-nvidia-tegra-rtUpgrade linux-image-virtual-6.8Upgrade linux-image-oracleUpgrade linux-image-nvidia-64kUpgrade linux-image-xilinx-6.8Upgrade linux-image-lowlatency-6.8Upgrade linux-image-laptop-23.10Upgrade linux-image-gkeUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-raspiUpgrade linux-image-kvmUpgrade linux-image-6.8.0-1064-gcpUpgrade linux-image-aws-fips-6.8Upgrade linux-image-raspi-6.8Upgrade linux-image-6.8.1-1056-realtimeUpgrade linux-image-6.8.0-136-lowlatency-64kUpgrade linux-image-6.8.0-1061-ibmUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-intel-iotgUpgrade linux-image-oem-22.04dUpgrade linux-image-gke-6.8Upgrade linux-image-6.8.0-1059-nvidiaUpgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-1063-azure-fipsUpgrade linux-image-oem-20.04 | Jul 21, 2026 | Jul 20, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Apr 24, 2026 |
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