In the Linux kernel, the following vulnerability has been resolved:
rtnetlink: Allocate vfinfo size for VF GUIDs when supported
Commit 30aad41721e0 ("net/core: Add support for getting VF GUIDs") added support for getting VF port and node GUIDs in netlink ifinfo messages, but their size was not taken into consideration in the function that allocates the netlink message, causing the following warning when a netlink message is filled with many VF port and node GUIDs: # echo 64 > /sys/bus/pci/devices/0000\:08\:00.0/sriov_numvfs # ip link show dev ib0 RTNETLINK answers: Message too long Cannot send link get request: Message too long
Kernel warning:
------------[ cut here ]------------ WARNING: CPU: 2 PID: 1930 at net/core/rtnetlink.c:4151 rtnl_getlink+0x586/0x5a0 Modules linked in: xt_conntrack xt_MASQUERADE nfnetlink xt_addrtype iptable_nat nf_nat br_netfilter overlay mlx5_ib macsec mlx5_core tls rpcrdma rdma_ucm ib_uverbs ib_iser libiscsi scsi_transport_iscsi ib_umad rdma_cm iw_cm ib_ipoib fuse ib_cm ib_core CPU: 2 UID: 0 PID: 1930 Comm: ip Not tainted 6.14.0-rc2+ #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:rtnl_getlink+0x586/0x5a0 Code: cb 82 e8 3d af 0a 00 4d 85 ff 0f 84 08 ff ff ff 4c 89 ff 41 be ea ff ff ff e8 66 63 5b ff 49 c7 07 80 4f cb 82 e9 36 fc ff ff <0f> 0b e9 16 fe ff ff e8 de a0 56 00 66 66 2e 0f 1f 84 00 00 00 00 RSP: 0018:ffff888113557348 EFLAGS: 00010246 RAX: 00000000ffffffa6 RBX: ffff88817e87aa34 RCX: dffffc0000000000 RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffff88817e87afb8 RBP: 0000000000000009 R08: ffffffff821f44aa R09: 0000000000000000 R10: ffff8881260f79a8 R11: ffff88817e87af00 R12: ffff88817e87aa00 R13: ffffffff8563d300 R14: 00000000ffffffa6 R15: 00000000ffffffff FS: 00007f63a5dbf280(0000) GS:ffff88881ee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f63a5ba4493 CR3: 00000001700fe002 CR4: 0000000000772eb0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: <TASK> ? __warn+0xa5/0x230 ? rtnl_getlink+0x586/0x5a0 ? report_bug+0x22d/0x240 ? handle_bug+0x53/0xa0 ? exc_invalid_op+0x14/0x50 ? asm_exc_invalid_op+0x16/0x20 ? skb_trim+0x6a/0x80 ? rtnl_getlink+0x586/0x5a0 ? __pfx_rtnl_getlink+0x10/0x10 ? rtnetlink_rcv_msg+0x1e5/0x860 ? __pfx___mutex_lock+0x10/0x10 ? rcu_is_watching+0x34/0x60 ? __pfx_lock_acquire+0x10/0x10 ? stack_trace_save+0x90/0xd0 ? filter_irq_stacks+0x1d/0x70 ? kasan_save_stack+0x30/0x40 ? kasan_save_stack+0x20/0x40 ? kasan_save_track+0x10/0x30 rtnetlink_rcv_msg+0x21c/0x860 ? entry_SYSCALL_64_after_hwframe+0x76/0x7e ? __pfx_rtnetlink_rcv_msg+0x10/0x10 ? arch_stack_walk+0x9e/0xf0 ? rcu_is_watching+0x34/0x60 ? lock_acquire+0xd5/0x410 ? rcu_is_watching+0x34/0x60 netlink_rcv_skb+0xe0/0x210 ? __pfx_rtnetlink_rcv_msg+0x10/0x10 ? __pfx_netlink_rcv_skb+0x10/0x10 ? rcu_is_watching+0x34/0x60 ? __pfx___netlink_lookup+0x10/0x10 ? lock_release+0x62/0x200 ? netlink_deliver_tap+0xfd/0x290 ? rcu_is_watching+0x34/0x60 ? lock_release+0x62/0x200 ? netlink_deliver_tap+0x95/0x290 netlink_unicast+0x31f/0x480 ? __pfx_netlink_unicast+0x10/0x10 ? rcu_is_watching+0x34/0x60 ? lock_acquire+0xd5/0x410 netlink_sendmsg+0x369/0x660 ? lock_release+0x62/0x200 ? __pfx_netlink_sendmsg+0x10/0x10 ? import_ubuf+0xb9/0xf0 ? __import_iovec+0x254/0x2b0 ? lock_release+0x62/0x200 ? __pfx_netlink_sendmsg+0x10/0x10 ____sys_sendmsg+0x559/0x5a0 ? __pfx_____sys_sendmsg+0x10/0x10 ? __pfx_copy_msghdr_from_user+0x10/0x10 ? rcu_is_watching+0x34/0x60 ? do_read_fault+0x213/0x4a0 ? rcu_is_watching+0x34/0x60 ___sys_sendmsg+0xe4/0x150 ? __pfx____sys_sendmsg+0x10/0x10 ? do_fault+0x2cc/0x6f0 ? handle_pte_fault+0x2e3/0x3d0 ? __pfx_handle_pte_fault+0x10/0x10 ---truncated---
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 |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-headersUpgrade bpftoolUpgrade kernel-develUpgrade kernel-debuginfo-common-x86_64Upgrade python-perfUpgrade bpftool-debuginfoUpgrade kernel-livepatch-5.15.180-122.191Upgrade kernel-toolsUpgrade kernelUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-5.10.236-227.928Upgrade perf-debuginfoUpgrade perfUpgrade kernel-tools-devel | Jun 23, 2025 | Apr 16, 2025 |
| Amazon_linux_2023 | — | Upgrade kernel-modules-extra-commonUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade bpftool-debuginfoUpgrade python3-perf-debuginfoUpgrade perf6.12Upgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel-libbpf-staticUpgrade kernelUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-libbpf-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel6.12-debuginfoUpgrade bpftoolUpgrade python3-perf6.12-debuginfoUpgrade kernel-livepatch-6.1.134-150.224Upgrade kernel6.12-modules-extraUpgrade kernel-toolsUpgrade kernel-libbpf-debuginfoUpgrade python3-perfUpgrade kernel-develUpgrade perf6.12-debuginfoUpgrade python3-perf6.12Upgrade kernel-tools-debuginfoUpgrade perf-debuginfoUpgrade kernel-libbpfUpgrade kernel-livepatch-6.12.23-29.97Upgrade perfUpgrade kernel-modules-extraUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-develUpgrade kernel6.12 | Jun 24, 2025 | Apr 16, 2025 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Apr 29, 2025 | Apr 16, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade python3-perfUpgrade bpftool | Oct 14, 2025 | Oct 10, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernelUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-tools-libs | Nov 12, 2025 | Oct 10, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernelUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade bpftool | Oct 24, 2025 | Oct 10, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 16, 2025 |
| Suse | — | Upgrade dtb-exynosUpgrade kernel-zfcpdumpUpgrade reiserfs-kmp-defaultUpgrade dtb-caviumUpgrade kselftests-kmp-64kbUpgrade ocfs2-kmp-azureUpgrade gfs2-kmp-64kbUpgrade kernel-default-optionalUpgrade kernel-azure-optionalUpgrade kernel-symsUpgrade kernel-64kb-develUpgrade dtb-hisiliconUpgrade kernel-default-vdsoUpgrade cluster-md-kmp-64kbUpgrade reiserfs-kmp-azureUpgrade dtb-alteraUpgrade dtb-mediatekUpgrade dtb-armUpgrade kernel-rt-develUpgrade dtb-qcomUpgrade kernel-kvmsmall-develUpgrade kernel-default-base-rebuildUpgrade kernel-rtUpgrade kernel-source-azureUpgrade dtb-xilinxUpgrade ocfs2-kmp-rtUpgrade dtb-rockchipUpgrade kernel-sourceUpgrade kernel-develUpgrade dtb-lgUpgrade ocfs2-kmp-defaultUpgrade kernel-devel-rtUpgrade kernel-syms-azureUpgrade kernel-devel-azureUpgrade dtb-nvidiaUpgrade kernel-debugUpgrade dlm-kmp-64kbUpgrade kernel-64kb-extraUpgrade cluster-md-kmp-rtUpgrade dtb-allwinnerUpgrade gfs2-kmp-defaultUpgrade gfs2-kmp-azureUpgrade kernel-kvmsmallUpgrade dlm-kmp-azureUpgrade kernel-rt_debugUpgrade kernel-debug-vdsoUpgrade reiserfs-kmp-rtUpgrade kernel-rt-vdsoUpgrade kernel-rt-livepatch-develUpgrade kernel-obs-qaUpgrade kernel-64kbUpgrade gfs2-kmp-rtUpgrade dtb-amazonUpgrade kselftests-kmp-azureUpgrade kselftests-kmp-rtUpgrade kernel-rt_debug-vdsoUpgrade dtb-appleUpgrade kernel-default-livepatchUpgrade kernel-64kb-optionalUpgrade dtb-freescaleUpgrade dtb-broadcomUpgrade kernel-macrosUpgrade kernel-kvmsmall-vdsoUpgrade kernel-default-livepatch-develUpgrade dtb-marvellUpgrade dlm-kmp-rtUpgrade kernel-syms-rtUpgrade cluster-md-kmp-defaultUpgrade kernel-source-rtUpgrade kernel-rt-optionalUpgrade kernel-debug-develUpgrade kernel-azure-extraUpgrade dtb-apmUpgrade ocfs2-kmp-64kbUpgrade kernel-docsUpgrade kernel-default-extraUpgrade kernel-default-develUpgrade kernel-defaultUpgrade kernel-azure-develUpgrade dtb-renesasUpgrade cluster-md-kmp-azureUpgrade dtb-amdUpgrade kernel-docs-htmlUpgrade kernel-azure-vdsoUpgrade dtb-amlogicUpgrade dlm-kmp-defaultUpgrade dtb-socionextUpgrade reiserfs-kmp-64kbUpgrade kernel-rt-extraUpgrade kernel-default-baseUpgrade kernel-azureUpgrade dtb-sprdUpgrade kernel-rt_debug-develUpgrade kernel-obs-buildUpgrade kselftests-kmp-defaultUpgrade kernel-source-vanilla | Dec 5, 2025 | May 21, 2025 |
| Ubuntu | — | Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-aws-lts-22.04Upgrade linux-image-azure-fipsUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-gcp-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-aws-64k-6.8Upgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-oracle-6.8Upgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-142-fipsUpgrade linux-image-6.11.0-28-generic-64kUpgrade linux-image-6.14.0-22-genericUpgrade linux-image-oracle-64kUpgrade linux-image-ibm-6.8Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.14.0-1007-azureUpgrade linux-image-6.8.0-1029-azure-nvidiaUpgrade linux-image-6.8.0-2032-raspi-realtimeUpgrade linux-image-6.11.0-1015-lowlatency-64kUpgrade linux-image-gcp-64kUpgrade linux-image-5.15.0-1083-intel-iotgUpgrade linux-image-azure-6.11Upgrade linux-image-5.15.0-1086-awsUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-awsUpgrade linux-image-azure-fdeUpgrade linux-image-generic-6.8Upgrade linux-image-azure-lts-24.04Upgrade linux-image-oem-20.04dUpgrade linux-image-realtimeUpgrade linux-image-6.8.0-86-lowlatency-64kUpgrade linux-image-azure-cvmUpgrade linux-image-6.8.0-1041-nvidiaUpgrade linux-image-5.15.0-1050-xilinx-zynqmpUpgrade linux-image-6.11.0-1016-gcpUpgrade linux-image-6.11.0-1016-gcp-64kUpgrade linux-image-5.15.0-1086-realtimeUpgrade linux-image-oem-22.04bUpgrade linux-image-oem-22.04dUpgrade linux-image-oracleUpgrade linux-image-raspi-nolpaeUpgrade linux-image-6.8.0-1042-gcpUpgrade linux-image-6.8.0-1038-oracle-64kUpgrade linux-image-gcpUpgrade linux-image-6.11.0-1017-oracle-64kUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-6.8.0-1025-gkeopUpgrade linux-image-kvmUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-1083-gkeUpgrade linux-image-6.14.0-1008-gcpUpgrade linux-image-6.8.0-1041-nvidia-64kUpgrade linux-image-6.14.0-1007-oracleUpgrade linux-image-realtime-6.8.1Upgrade linux-image-5.15.0-1086-aws-fipsUpgrade linux-image-5.15.0-1028-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-1080-raspiUpgrade linux-image-ibm-classicUpgrade linux-image-generic-64k-6.8Upgrade linux-image-virtual-6.8Upgrade linux-image-azure-fips-6.8Upgrade linux-image-6.11.0-1018-azureUpgrade linux-image-lowlatency-64k-6.11Upgrade linux-image-6.11.0-1018-azure-fdeUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.11.0-1015-lowlatencyUpgrade linux-image-6.14.0-1007-raspiUpgrade linux-image-lowlatency-6.11Upgrade linux-image-5.15.0-142-lowlatencyUpgrade linux-image-5.15.0-142-generic-64kUpgrade linux-image-5.15.0-142-genericUpgrade linux-image-6.8.0-1041-azureUpgrade linux-image-gke-64kUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-86-genericUpgrade linux-image-gcp-fipsUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-5.15.0-142-lowlatency-64kUpgrade linux-image-6.14.0-1004-realtimeUpgrade linux-image-6.14.0-1007-awsUpgrade linux-image-5.15.0-1039-nvidia-tegraUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1041-nvidia-lowlatency-64kUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-raspi-6.8Upgrade linux-image-gke-64k-6.8Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-5.15.0-1039-nvidia-tegra-rtUpgrade linux-image-aws-lts-24.04Upgrade linux-image-5.15.0-1083-oracleUpgrade linux-image-azure-fde-6.11Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-6.14.0-1007-oracle-64kUpgrade linux-image-5.15.0-1080-nvidiaUpgrade linux-image-6.8.0-1038-gkeUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-azure-nvidia-lts-24.04Upgrade linux-image-6.11.0-1015-awsUpgrade linux-image-5.15.0-1091-azureUpgrade linux-image-nvidia-tegraUpgrade linux-image-lowlatency-64kUpgrade linux-image-gkeUpgrade linux-image-6.8.0-1044-azure-fipsUpgrade linux-image-generic-lpaeUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-lowlatency-6.8Upgrade linux-image-oem-22.04aUpgrade linux-image-5.15.0-1082-kvmUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.0-86-generic-64kUpgrade linux-image-5.15.0-1078-ibmUpgrade linux-image-5.15.0-142-generic-lpaeUpgrade linux-image-5.15.0-1085-gcpUpgrade linux-image-6.14.0-1008-gcp-64kUpgrade linux-image-6.11.0-1024-oemUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-6.14.0-1007-aws-64kUpgrade linux-image-6.8.0-86-lowlatencyUpgrade linux-image-oem-22.04cUpgrade linux-image-oem-20.04bUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1041-aws-64kUpgrade linux-image-5.15.0-1086-aws-64kUpgrade linux-image-fipsUpgrade linux-image-lowlatencyUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-intelUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-oem-24.04bUpgrade linux-image-6.14.0-22-generic-64kUpgrade linux-image-aws-64kUpgrade linux-image-5.15.0-1080-nvidia-lowlatencyUpgrade linux-image-6.8.0-1042-gcp-64kUpgrade linux-image-6.8.0-1041-awsUpgrade linux-image-5.15.0-1028-nvidia-tegra-igxUpgrade linux-image-aws-6.8Upgrade linux-image-azure-fde-edgeUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-intel-iotgUpgrade linux-image-azureUpgrade linux-image-5.15.0-1068-gkeopUpgrade linux-image-oem-20.04cUpgrade linux-image-generic-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-oem-22.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-6.8.0-1041-nvidia-lowlatencyUpgrade linux-image-raspiUpgrade linux-image-gke-5.15Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-6.8.0-1038-oracleUpgrade linux-image-aws-fipsUpgrade linux-image-6.14.0-1007-azure-fdeUpgrade linux-image-5.15.0-1085-gcp-fipsUpgrade linux-image-5.15.0-1081-intel-iotgUpgrade linux-image-5.15.0-1079-intel-iot-realtimeUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.8.0-1038-gke-64kUpgrade linux-image-genericUpgrade linux-image-6.11.0-1011-realtimeUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-oem-20.04Upgrade linux-image-6.11.0-1014-raspiUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-ibmUpgrade linux-image-nvidiaUpgrade linux-image-azure-nvidia-6.8Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-virtualUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-gkeopUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-gkeop-6.8Upgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-1041-raspiUpgrade linux-image-6.8.0-1039-ibmUpgrade linux-image-gke-6.8Upgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.1-1036-realtimeUpgrade linux-image-6.11.0-28-genericUpgrade linux-image-6.11.0-1017-oracleUpgrade linux-image-5.15.0-1091-azure-fips | Jun 20, 2025 | Apr 16, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 2, 2025 | Apr 16, 2025 |
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