In the Linux kernel, the following vulnerability has been resolved:
rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink()
While looking at one unrelated syzbot bug, I found the replay logic in __rtnl_newlink() to potentially trigger use-after-free.
It is better to clear master_dev and m_ops inside the loop, in case we have to replay it.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-tools-debuginfoUpgrade kernel-livepatch-4.14.268-205.500Upgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade python-perf-debuginfoUpgrade kernel-livepatch-5.10.102-99.473Upgrade bpftoolUpgrade kernel-headersUpgrade python-perfUpgrade bpftool-debuginfoUpgrade kernel-tools-develUpgrade kernel-develUpgrade perfUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade kernel-debuginfo-common-aarch64 | Aug 2, 2024 | Jun 20, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Jun 20, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernelUpgrade python3-perf | Oct 9, 2024 | Jun 20, 2024 |
| Huawei Euleros 2_0_sp8 | — | Upgrade perfUpgrade python3-perfUpgrade kernel-develUpgrade bpftoolUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-headersUpgrade kernel-toolsUpgrade python-perf | Jan 21, 2025 | Jun 20, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernel-tools-libsUpgrade kernelUpgrade kernel-toolsUpgrade python3-perf | Oct 8, 2024 | Jun 20, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 20, 2024 |
| Ubuntu | — | Upgrade linux-hwe-5.4Upgrade linux-gcp-fipsUpgrade linux-gcpUpgrade linux-fipsUpgrade linux-gkeopUpgrade linux-azure-fipsUpgrade linux-aws-fipsUpgrade linuxUpgrade linux-ibm-5.4Upgrade linux-ibmUpgrade linux-hweUpgrade linux-gcp-5.4Upgrade linux-azureUpgrade linux-bluefieldUpgrade linux-azure-4.15Upgrade linux-gcp-4.15Upgrade linux-oracleUpgrade linux-azure-5.4Upgrade linux-raspiUpgrade linux-kvmUpgrade linux-raspi-5.4Upgrade linux-aws-5.4Upgrade linux-iotUpgrade linux-awsUpgrade linux-intel-iotg-5.15Upgrade linux-oracle-5.4Upgrade linux-aws-hwe | 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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