In the Linux kernel, the following vulnerability has been resolved:
i40e: Fix queues reservation for XDP
When XDP was configured on a system with large number of CPUs and X722 NIC there was a call trace with NULL pointer dereference.
i40e 0000:87:00.0: failed to get tracking for 256 queues for VSI 0 err -12 i40e 0000:87:00.0: setup of MAIN VSI failed
BUG: kernel NULL pointer dereference, address: 0000000000000000 RIP: 0010:i40e_xdp+0xea/0x1b0 [i40e] Call Trace: ? i40e_reconfig_rss_queues+0x130/0x130 [i40e] dev_xdp_install+0x61/0xe0 dev_xdp_attach+0x18a/0x4c0 dev_change_xdp_fd+0x1e6/0x220 do_setlink+0x616/0x1030 ? ahci_port_stop+0x80/0x80 ? ata_qc_issue+0x107/0x1e0 ? lock_timer_base+0x61/0x80 ? __mod_timer+0x202/0x380 rtnl_setlink+0xe5/0x170 ? bpf_lsm_binder_transaction+0x10/0x10 ? security_capable+0x36/0x50 rtnetlink_rcv_msg+0x121/0x350 ? rtnl_calcit.isra.0+0x100/0x100 netlink_rcv_skb+0x50/0xf0 netlink_unicast+0x1d3/0x2a0 netlink_sendmsg+0x22a/0x440 sock_sendmsg+0x5e/0x60 __sys_sendto+0xf0/0x160 ? __sys_getsockname+0x7e/0xc0 ? _copy_from_user+0x3c/0x80 ? __sys_setsockopt+0xc8/0x1a0 __x64_sys_sendto+0x20/0x30 do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f83fa7a39e0
This was caused by PF queue pile fragmentation due to flow director VSI queue being placed right after main VSI. Because of this main VSI was not able to resize its queue allocation for XDP resulting in no queues allocated for main VSI when XDP was turned on.
Fix this by always allocating last queue in PF queue pile for a flow director VSI.
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-tools-develUpgrade perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-livepatch-5.10.96-90.460Upgrade kernel-toolsUpgrade kernel-develUpgrade python-perfUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernelUpgrade kernel-headersUpgrade python-perf-debuginfo | Aug 2, 2024 | Jun 20, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Jun 20, 2024 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel | Oct 8, 2024 | Jun 20, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade python3-perfUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-toolsUpgrade kernelUpgrade kernel-abi-stablelists | Oct 9, 2024 | Jun 20, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernel-toolsUpgrade python3-perfUpgrade kernelUpgrade kernel-tools-libs | Oct 8, 2024 | Jun 20, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 20, 2024 |
| Suse | — | Upgrade kernel-azure-livepatch-develUpgrade kernel-rt-livepatch-develUpgrade kernel-defaultUpgrade kernel-zfcpdumpUpgrade kernel-symsUpgrade kernel-devel-azureUpgrade kernel-rt-livepatchUpgrade dlm-kmp-azureUpgrade kernel-rt-develUpgrade kernel-syms-azureUpgrade kernel-rt_debug-vdsoUpgrade reiserfs-kmp-rtUpgrade reiserfs-kmp-azureUpgrade kernel-macrosUpgrade kernel-64kb-develUpgrade kernel-devel-rtUpgrade ocfs2-kmp-rtUpgrade kernel-rtUpgrade kselftests-kmp-rtUpgrade gfs2-kmp-rtUpgrade kernel-docsUpgrade cluster-md-kmp-azureUpgrade kernel-syms-rtUpgrade kernel-azure-vdsoUpgrade kernel-azure-develUpgrade kernel-rt-optionalUpgrade kernel-sourceUpgrade kernel-develUpgrade gfs2-kmp-azureUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-rt-vdsoUpgrade kernel-64kbUpgrade kernel-default-baseUpgrade kernel-obs-buildUpgrade cluster-md-kmp-rtUpgrade kernel-rt_debugUpgrade kernel-source-azureUpgrade kernel-preemptUpgrade kernel-source-rtUpgrade kernel-azureUpgrade kselftests-kmp-azureUpgrade dlm-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade ocfs2-kmp-azureUpgrade kernel-preempt-develUpgrade kernel-default-develUpgrade kernel-azure-extraUpgrade kernel-rt-extraUpgrade kernel-azure-optionalUpgrade kernel-rt_debug-devel | Aug 9, 2024 | Jun 20, 2024 |
| Ubuntu | — | Upgrade linux-gcp-4.15Upgrade linux-azureUpgrade linux-bluefieldUpgrade linuxUpgrade linux-iotUpgrade linux-ibm-5.4Upgrade linux-gcp-fipsUpgrade linux-azure-5.4Upgrade linux-awsUpgrade linux-gcpUpgrade linux-hweUpgrade linux-raspi-5.4Upgrade linux-azure-4.15Upgrade linux-fipsUpgrade linux-gcp-5.4Upgrade linux-oracleUpgrade linux-aws-5.4Upgrade linux-aws-hweUpgrade linux-raspiUpgrade linux-gkeopUpgrade linux-azure-fipsUpgrade linux-oracle-5.4Upgrade linux-hwe-5.4Upgrade linux-kvmUpgrade linux-aws-fipsUpgrade linux-ibm | Nov 19, 2024 | Jun 20, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Jun 20, 2024 |
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