In the Linux kernel, the following vulnerability has been resolved:
RDMA/rxe: Fix incomplete state save in rxe_requester
If a send packet is dropped by the IP layer in rxe_requester() the call to rxe_xmit_packet() can fail with err == -EAGAIN. To recover, the state of the wqe is restored to the state before the packet was sent so it can be resent. However, the routines that save and restore the state miss a significnt part of the variable state in the wqe, the dma struct which is used to process through the sge table. And, the state is not saved before the packet is built which modifies the dma struct.
Under heavy stress testing with many QPs on a fast node sending large messages to a slow node dropped packets are observed and the resent packets are corrupted because the dma struct was not restored. This patch fixes this behavior and allows the test cases to succeed.
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 |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-rt-develUpgrade kernel-modulesUpgrade kernel-debug-develUpgrade kernel-rt-debugUpgrade kernel-zfcpdumpUpgrade bpftoolUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-modules-extraUpgrade kernel-toolsUpgrade kernel-rt-debug-coreUpgrade kernel-coreUpgrade kernel-rt-debug-modulesUpgrade kernel-debug-modulesUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-tools-libsUpgrade kernel-debug-coreUpgrade kernel-rtUpgrade kernel-modules-extraUpgrade kernel-zfcpdump-modulesUpgrade kernel-debugUpgrade kernel-debug-modules-extraUpgrade kernel-zfcpdump-develUpgrade kernel-rt-modulesUpgrade kernel-docUpgrade kernel-cross-headersUpgrade kernel-develUpgrade kernel-rt-coreUpgrade kernel-tools-libs-develUpgrade kernel-zfcpdump-coreUpgrade perfUpgrade kernelUpgrade kernel-rt-modules-extraUpgrade kernel-abi-stablelistsUpgrade kernel-headersUpgrade python3-perf | Dec 10, 2025 | Dec 8, 2025 |
| Debian | — | Upgrade linux | Oct 6, 2025 | Oct 6, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernelUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-tools | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-toolsUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernel | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade bpftoolUpgrade kernelUpgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernel-abi-stablelists | Feb 3, 2026 | Feb 2, 2026 |
| Oracle_linux | — | Upgrade kernel | Dec 10, 2025 | Oct 4, 2025 |
| Redhat_linux | — | Upgrade kernel-rtNo solution existsUpgrade kernel | Nov 14, 2025 | Oct 4, 2025 |
| Rocky_linux | — | Upgrade kernel-rt-debug-debuginfoUpgrade kernel-rt-modules-extraUpgrade kernel-tools-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-rt-debuginfoUpgrade kernel-modules-extraUpgrade python3-perf-debuginfoUpgrade kernelUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-tools-libsUpgrade kernel-debug-coreUpgrade kernel-rt-debugUpgrade kernel-rt-kvmUpgrade kernel-rt-debug-coreUpgrade kernel-toolsUpgrade kernel-rtUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-debug-modulesUpgrade kernel-debugUpgrade kernel-coreUpgrade kernel-debug-develUpgrade kernel-debug-debuginfoUpgrade kernel-debug-modulesUpgrade bpftoolUpgrade kernel-debug-modules-extraUpgrade kernel-modulesUpgrade kernel-rt-develUpgrade python3-perfUpgrade kernel-develUpgrade perf-debuginfoUpgrade kernel-tools-libs-develUpgrade kernel-rt-coreUpgrade kernel-debuginfoUpgrade perfUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-debug-kvmUpgrade kernel-rt-modules | Feb 5, 2026 | Dec 13, 2025 |
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