vulnerability

Ubuntu: (Multiple Advisories) (CVE-2024-47734): Linux kernel vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:N)
Published
Oct 21, 2024
Added
Dec 18, 2024
Modified
Apr 29, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

bonding: Fix unnecessary warnings and logs from bond_xdp_get_xmit_slave()

syzbot reported a WARNING in bond_xdp_get_xmit_slave. To reproduce
this[1], one bond device (bond1) has xdpdrv, which increases
bpf_master_redirect_enabled_key. Another bond device (bond0) which is
unsupported by XDP but its slave (veth3) has xdpgeneric that returns
XDP_TX. This triggers WARN_ON_ONCE() from the xdp_master_redirect().
To reduce unnecessary warnings and improve log management, we need to
delete the WARN_ON_ONCE() and add ratelimit to the netdev_err().

[1] Steps to reproduce:
# Needs tx_xdp with return XDP_TX;
ip l add veth0 type veth peer veth1
ip l add veth3 type veth peer veth4
ip l add bond0 type bond mode 6 # BOND_MODE_ALB, unsupported by XDP
ip l add bond1 type bond # BOND_MODE_ROUNDROBIN by default
ip l set veth0 master bond1
ip l set bond1 up
# Increases bpf_master_redirect_enabled_key
ip l set dev bond1 xdpdrv object tx_xdp.o section xdp_tx
ip l set veth3 master bond0
ip l set bond0 up
ip l set veth4 up
# Triggers WARN_ON_ONCE() from the xdp_master_redirect()
ip l set veth3 xdpgeneric object tx_xdp.o section xdp_tx

Solutions

ubuntu-upgrade-linux-image-5-15-0-1039-xilinx-zynqmpubuntu-upgrade-linux-image-5-15-0-1056-gkeopubuntu-upgrade-linux-image-5-15-0-1066-ibmubuntu-upgrade-linux-image-5-15-0-1066-raspiubuntu-upgrade-linux-image-5-15-0-1068-nvidiaubuntu-upgrade-linux-image-5-15-0-1068-nvidia-lowlatencyubuntu-upgrade-linux-image-5-15-0-1070-gkeubuntu-upgrade-linux-image-5-15-0-1070-kvmubuntu-upgrade-linux-image-5-15-0-1071-intel-iotgubuntu-upgrade-linux-image-5-15-0-1071-oracleubuntu-upgrade-linux-image-5-15-0-1072-gcpubuntu-upgrade-linux-image-5-15-0-1073-awsubuntu-upgrade-linux-image-5-15-0-1078-azureubuntu-upgrade-linux-image-5-15-0-127-genericubuntu-upgrade-linux-image-5-15-0-127-generic-64kubuntu-upgrade-linux-image-5-15-0-127-generic-lpaeubuntu-upgrade-linux-image-5-15-0-127-lowlatencyubuntu-upgrade-linux-image-5-15-0-127-lowlatency-64kubuntu-upgrade-linux-image-6-11-0-1005-realtimeubuntu-upgrade-linux-image-6-11-0-1008-raspiubuntu-upgrade-linux-image-6-11-0-1009-awsubuntu-upgrade-linux-image-6-11-0-1009-azureubuntu-upgrade-linux-image-6-11-0-1009-azure-fdeubuntu-upgrade-linux-image-6-11-0-1009-gcpubuntu-upgrade-linux-image-6-11-0-1010-lowlatencyubuntu-upgrade-linux-image-6-11-0-1010-lowlatency-64kubuntu-upgrade-linux-image-6-11-0-1011-oracleubuntu-upgrade-linux-image-6-11-0-1011-oracle-64kubuntu-upgrade-linux-image-6-11-0-1015-oemubuntu-upgrade-linux-image-6-11-0-18-genericubuntu-upgrade-linux-image-6-11-0-18-generic-64kubuntu-upgrade-linux-image-6-8-0-1006-gkeopubuntu-upgrade-linux-image-6-8-0-1014-azure-nvidiaubuntu-upgrade-linux-image-6-8-0-1019-gkeubuntu-upgrade-linux-image-6-8-0-1019-raspiubuntu-upgrade-linux-image-6-8-0-1020-oracleubuntu-upgrade-linux-image-6-8-0-1020-oracle-64kubuntu-upgrade-linux-image-6-8-0-1022-ibmubuntu-upgrade-linux-image-6-8-0-1022-nvidiaubuntu-upgrade-linux-image-6-8-0-1022-nvidia-64kubuntu-upgrade-linux-image-6-8-0-1022-nvidia-lowlatencyubuntu-upgrade-linux-image-6-8-0-1022-nvidia-lowlatency-64kubuntu-upgrade-linux-image-6-8-0-1023-awsubuntu-upgrade-linux-image-6-8-0-1024-gcpubuntu-upgrade-linux-image-6-8-0-1024-gcp-64kubuntu-upgrade-linux-image-6-8-0-1024-oemubuntu-upgrade-linux-image-6-8-0-1025-azureubuntu-upgrade-linux-image-6-8-0-1025-azure-fdeubuntu-upgrade-linux-image-6-8-0-54-genericubuntu-upgrade-linux-image-6-8-0-54-generic-64kubuntu-upgrade-linux-image-6-8-0-54-lowlatencyubuntu-upgrade-linux-image-6-8-0-54-lowlatency-64kubuntu-upgrade-linux-image-6-8-0-57-genericubuntu-upgrade-linux-image-6-8-0-57-generic-64kubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-lts-22-04ubuntu-upgrade-linux-image-aws-lts-24-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-cvmubuntu-upgrade-linux-image-azure-fdeubuntu-upgrade-linux-image-azure-fde-lts-24-04ubuntu-upgrade-linux-image-azure-lts-22-04ubuntu-upgrade-linux-image-azure-lts-24-04ubuntu-upgrade-linux-image-azure-nvidiaubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-64kubuntu-upgrade-linux-image-gcp-64k-lts-24-04ubuntu-upgrade-linux-image-gcp-lts-22-04ubuntu-upgrade-linux-image-gcp-lts-24-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-hwe-20-04ubuntu-upgrade-linux-image-generic-64k-hwe-22-04ubuntu-upgrade-linux-image-generic-64k-hwe-24-04ubuntu-upgrade-linux-image-generic-hwe-20-04ubuntu-upgrade-linux-image-generic-hwe-22-04ubuntu-upgrade-linux-image-generic-hwe-24-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-15ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-5-15ubuntu-upgrade-linux-image-gkeop-6-8ubuntu-upgrade-linux-image-ibmubuntu-upgrade-linux-image-ibm-classicubuntu-upgrade-linux-image-ibm-lts-24-04ubuntu-upgrade-linux-image-intelubuntu-upgrade-linux-image-intel-iotgubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-64kubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-64k-hwe-22-04ubuntu-upgrade-linux-image-lowlatency-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-hwe-22-04ubuntu-upgrade-linux-image-nvidiaubuntu-upgrade-linux-image-nvidia-6-8ubuntu-upgrade-linux-image-nvidia-64kubuntu-upgrade-linux-image-nvidia-64k-6-8ubuntu-upgrade-linux-image-nvidia-64k-hwe-22-04ubuntu-upgrade-linux-image-nvidia-hwe-22-04ubuntu-upgrade-linux-image-nvidia-lowlatencyubuntu-upgrade-linux-image-nvidia-lowlatency-64kubuntu-upgrade-linux-image-oem-20-04ubuntu-upgrade-linux-image-oem-20-04bubuntu-upgrade-linux-image-oem-20-04cubuntu-upgrade-linux-image-oem-20-04dubuntu-upgrade-linux-image-oem-22-04ubuntu-upgrade-linux-image-oem-22-04aubuntu-upgrade-linux-image-oem-22-04bubuntu-upgrade-linux-image-oem-22-04cubuntu-upgrade-linux-image-oem-22-04dubuntu-upgrade-linux-image-oem-24-04ubuntu-upgrade-linux-image-oem-24-04aubuntu-upgrade-linux-image-oem-24-04bubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-64kubuntu-upgrade-linux-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References

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