In the Linux kernel, the following vulnerability has been resolved:
net/mlx5e: Fix netif state handling
mlx5e_suspend cleans resources only if netif_device_present() returns true. However, mlx5e_resume changes the state of netif, via mlx5e_nic_enable, only if reg_state == NETREG_REGISTERED. In the below case, the above leads to NULL-ptr Oops[1] and memory leaks:
mlx5e_probe _mlx5e_resume mlx5e_attach_netdev mlx5e_nic_enable <-- netdev not reg, not calling netif_device_attach() register_netdev <-- failed for some reason. ERROR_FLOW: _mlx5e_suspend <-- netif_device_present return false, resources aren't freed :(
Hence, clean resources in this case as well.
[1] BUG: kernel NULL pointer dereference, address: 0000000000000000 PGD 0 P4D 0 Oops: 0010 [#1] SMP CPU: 2 PID: 9345 Comm: test-ovs-ct-gen Not tainted 6.5.0_for_upstream_min_debug_2023_09_05_16_01 #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:0x0 Code: Unable to access opcode bytes at0xffffffffffffffd6. RSP: 0018:ffff888178aaf758 EFLAGS: 00010246 Call Trace: <TASK> ? __die+0x20/0x60 ? page_fault_oops+0x14c/0x3c0 ? exc_page_fault+0x75/0x140 ? asm_exc_page_fault+0x22/0x30 notifier_call_chain+0x35/0xb0 blocking_notifier_call_chain+0x3d/0x60 mlx5_blocking_notifier_call_chain+0x22/0x30 [mlx5_core] mlx5_core_uplink_netdev_event_replay+0x3e/0x60 [mlx5_core] mlx5_mdev_netdev_track+0x53/0x60 [mlx5_ib] mlx5_ib_roce_init+0xc3/0x340 [mlx5_ib] __mlx5_ib_add+0x34/0xd0 [mlx5_ib] mlx5r_probe+0xe1/0x210 [mlx5_ib] ? auxiliary_match_id+0x6a/0x90 auxiliary_bus_probe+0x38/0x80 ? driver_sysfs_add+0x51/0x80 really_probe+0xc9/0x3e0 ? driver_probe_device+0x90/0x90 __driver_probe_device+0x80/0x160 driver_probe_device+0x1e/0x90 __device_attach_driver+0x7d/0x100 bus_for_each_drv+0x80/0xd0 __device_attach+0xbc/0x1f0 bus_probe_device+0x86/0xa0 device_add+0x637/0x840 __auxiliary_device_add+0x3b/0xa0 add_adev+0xc9/0x140 [mlx5_core] mlx5_rescan_drivers_locked+0x22a/0x310 [mlx5_core] mlx5_register_device+0x53/0xa0 [mlx5_core] mlx5_init_one_devl_locked+0x5c4/0x9c0 [mlx5_core] mlx5_init_one+0x3b/0x60 [mlx5_core] probe_one+0x44c/0x730 [mlx5_core] local_pci_probe+0x3e/0x90 pci_device_probe+0xbf/0x210 ? kernfs_create_link+0x5d/0xa0 ? sysfs_do_create_link_sd+0x60/0xc0 really_probe+0xc9/0x3e0 ? driver_probe_device+0x90/0x90 __driver_probe_device+0x80/0x160 driver_probe_device+0x1e/0x90 __device_attach_driver+0x7d/0x100 bus_for_each_drv+0x80/0xd0 __device_attach+0xbc/0x1f0 pci_bus_add_device+0x54/0x80 pci_iov_add_virtfn+0x2e6/0x320 sriov_enable+0x208/0x420 mlx5_core_sriov_configure+0x9e/0x200 [mlx5_core] sriov_numvfs_store+0xae/0x1a0 kernfs_fop_write_iter+0x10c/0x1a0 vfs_write+0x291/0x3c0 ksys_write+0x5f/0xe0 do_syscall_64+0x3d/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0 CR2: 0000000000000000 ---[ end trace 0000000000000000 ]---
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-rt-debug-modules-extraUpgrade perfUpgrade kernel-64k-modules-coreUpgrade kernel-64k-debug-develUpgrade kernel-zfcpdump-devel-matchedUpgrade rtlaUpgrade kernel-tools-libs-develUpgrade kernel-develUpgrade kernel-rt-coreUpgrade kernel-64k-debug-modules-extraUpgrade libperfUpgrade kernel-debug-uki-virtUpgrade kernel-64k-modules-extraUpgrade kernel-debug-develUpgrade kernel-rt-debug-develUpgrade kernel-devel-matchedUpgrade kernel-rt-debugUpgrade kernel-uki-virtUpgrade kernel-64k-devel-matchedUpgrade kernel-cross-headersUpgrade kernel-64k-debug-modulesUpgrade kernel-64k-debug-modules-coreUpgrade python3-perfUpgrade kernel-docUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-debugUpgrade kernel-tools-libsUpgrade kernel-rt-modulesUpgrade kernel-debug-modules-extraUpgrade kernel-rt-debug-modules-coreUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-debug-modulesUpgrade kernel-toolsUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-modulesUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-modules-coreUpgrade kernel-64k-coreUpgrade kernel-zfcpdumpUpgrade kernel-rt-debug-modulesUpgrade kernelUpgrade kernel-rt-debug-coreUpgrade kernel-debug-modules-coreUpgrade kernel-modules-coreUpgrade kernel-64k-modulesUpgrade kernel-rtUpgrade kernel-rt-develUpgrade kernel-modules-extraUpgrade kernel-headersUpgrade bpftoolUpgrade kernel-debug-devel-matchedUpgrade kernel-coreUpgrade kernel-64k-develUpgrade kernel-abi-stablelistsUpgrade kernel-zfcpdump-develUpgrade kernel-zfcpdump-modulesUpgrade kernel-debug-coreUpgrade rvUpgrade kernel-rt-modules-extraUpgrade kernel-64k-debugUpgrade kernel-64kUpgrade kernel-64k-debug-core | Nov 4, 2024 | Jun 19, 2024 |
| Debian | — | Upgrade linuxNo solution exists | May 15, 2025 | Jun 19, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade bpftoolUpgrade kernelUpgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernel-abi-stablelists | Oct 9, 2024 | Jun 19, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-tools-libsUpgrade kernelUpgrade bpftoolUpgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade python3-perf | Oct 9, 2024 | Jun 19, 2024 |
| Oracle_linux | — | Upgrade kernel | Oct 16, 2024 | Jun 19, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernelUpgrade kernel-rt | Sep 13, 2024 | Jun 19, 2024 |
| Rocky_linux | — | Upgrade python3-perfUpgrade perfUpgrade perf-debuginfoUpgrade kernel-rt-coreUpgrade kernel-develUpgrade kernel-rt-modules-extraUpgrade kernel-cross-headersUpgrade kernel-tools-libs-develUpgrade kernelUpgrade kernel-headersUpgrade kernel-modulesUpgrade kernel-rt-kvmUpgrade kernel-rt-develUpgrade kernel-rt-debuginfoUpgrade kernel-rt-debug-develUpgrade kernel-rt-debugUpgrade python3-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rtUpgrade bpftoolUpgrade kernel-debug-develUpgrade kernel-modules-extraUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-tools-libsUpgrade kernel-rt-debug-coreUpgrade kernel-debugUpgrade kernel-debug-debuginfoUpgrade kernel-rt-debug-debuginfoUpgrade kernel-debug-modulesUpgrade bpftool-debuginfoUpgrade kernel-rt-debug-modules-extraUpgrade kernel-toolsUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-debug-kvmUpgrade kernel-debug-modules-extraUpgrade kernel-debug-coreUpgrade kernel-coreUpgrade kernel-rt-modules | Nov 19, 2024 | Jun 19, 2024 |
| Suse | — | Upgrade kernel-rt_debug-livepatch-develUpgrade kernel-syms-rtUpgrade dlm-kmp-azureUpgrade kernel-docs-htmlUpgrade reiserfs-kmp-azureUpgrade kernel-defaultUpgrade dtb-armUpgrade kernel-debug-develUpgrade kernel-rt-livepatch-develUpgrade dtb-amlogicUpgrade dtb-mediatekUpgrade kselftests-kmp-rtUpgrade kernel-obs-buildUpgrade dlm-kmp-defaultUpgrade reiserfs-kmp-defaultUpgrade kernel-kvmsmall-vdsoUpgrade dtb-apmUpgrade kernel-64kb-extraUpgrade dtb-appleUpgrade kernel-azure-baseUpgrade kernel-default-livepatch-develUpgrade kernel-rt_debug-vdsoUpgrade kernel-debugUpgrade dtb-marvellUpgrade kernel-azure-extraUpgrade kernel-debug-livepatch-develUpgrade dtb-hisiliconUpgrade cluster-md-kmp-defaultUpgrade dtb-rockchipUpgrade kernel-default-manUpgrade dtb-socionextUpgrade dtb-nvidiaUpgrade dtb-amdUpgrade kernel-azure-vdsoUpgrade cluster-md-kmp-64kbUpgrade kselftests-kmp-defaultUpgrade kernel-default-baseUpgrade kernel-obs-qaUpgrade kernel-rt-extraUpgrade reiserfs-kmp-rtUpgrade kernel-docsUpgrade dlm-kmp-rtUpgrade kernel-default-extraUpgrade kernel-macrosUpgrade kernel-rt_debugUpgrade dtb-renesasUpgrade dtb-sprdUpgrade kernel-source-rtUpgrade kernel-rt-optionalUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-azure-optionalUpgrade dtb-freescaleUpgrade dtb-exynosUpgrade dtb-lgUpgrade cluster-md-kmp-rtUpgrade kernel-source-azureUpgrade kernel-develUpgrade kernel-rt_debug-develUpgrade kernel-symsUpgrade gfs2-kmp-64kbUpgrade kselftests-kmp-azureUpgrade dtb-qcomUpgrade dtb-alteraUpgrade dtb-allwinnerUpgrade kernel-default-base-rebuildUpgrade kernel-azureUpgrade ocfs2-kmp-rtUpgrade kernel-kvmsmall-develUpgrade dlm-kmp-64kbUpgrade ocfs2-kmp-defaultUpgrade kernel-64kb-optionalUpgrade kernel-64kbUpgrade kernel-azure-livepatch-develUpgrade kernel-64kb-livepatch-develUpgrade gfs2-kmp-rtUpgrade gfs2-kmp-azureUpgrade kernel-rt-livepatchUpgrade kernel-default-vdsoUpgrade ocfs2-kmp-azureUpgrade ocfs2-kmp-64kbUpgrade kernel-sourceUpgrade kernel-default-livepatchUpgrade kernel-default-develUpgrade kernel-azure-develUpgrade kernel-source-vanillaUpgrade kernel-rtUpgrade kernel-devel-rtUpgrade kernel-default-optionalUpgrade kernel-64kb-develUpgrade dtb-caviumUpgrade kernel-rt-vdsoUpgrade dtb-broadcomUpgrade kernel-rt-develUpgrade kernel-kvmsmallUpgrade kernel-devel-azureUpgrade reiserfs-kmp-64kbUpgrade gfs2-kmp-defaultUpgrade dtb-xilinxUpgrade kernel-debug-vdsoUpgrade dtb-amazonUpgrade cluster-md-kmp-azureUpgrade kselftests-kmp-64kbUpgrade kernel-zfcpdumpUpgrade kernel-syms-azure | Jul 10, 2024 | Jun 19, 2024 |
| Ubuntu | — | Upgrade linux-image-virtualUpgrade linux-image-azure-nvidiaUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1030-gcpUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-60-generic-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-ibmUpgrade linux-image-6.8.0-60-lowlatencyUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1028-nvidia-lowlatencyUpgrade linux-image-6.8.0-1012-gkeopUpgrade linux-image-oem-22.04bUpgrade linux-image-gkeUpgrade linux-image-gcpUpgrade linux-image-generic-64kUpgrade linux-image-6.8.1-1022-realtimeUpgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1028-nvidia-64kUpgrade linux-image-azureUpgrade linux-image-oracle-64kUpgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-1016-azure-nvidiaUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-aws-lts-24.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-oem-22.04cUpgrade linux-image-oem-24.04Upgrade linux-image-kvmUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-60-genericUpgrade linux-image-6.8.0-1029-azureUpgrade linux-image-realtimeUpgrade linux-image-awsUpgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-6.8.0-1028-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1028-nvidiaUpgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1025-gkeUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-gkeopUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.8.0-1026-ibmUpgrade linux-image-genericUpgrade linux-image-6.8.0-1029-awsUpgrade linux-image-6.8.0-1029-azure-fdeUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1030-gcp-64kUpgrade linux-image-oracleUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-raspiUpgrade linux-image-oem-22.04dUpgrade linux-image-azure-fdeUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-oem-22.04aUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oem-22.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-60-lowlatency-64kUpgrade linux-image-6.8.0-1028-oemUpgrade linux-image-6.8.0-1026-oracle-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1026-oracle | May 20, 2025 | Jun 19, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 7, 2025 | Jun 19, 2024 |
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