Summary
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: vsock/vmci: fix UAF when peer resets connection during handshake (CVE-2026-64115)
* kernel: packet: use consistent hard_header_len in non-ring send paths ()
* kernel: packet: use consistent hard_header_len in non-ring send paths (CVE-2026-74582)
* kernel: svcrdma: Reject inline replies that overflow the pull-up buffer (CVE-2026-89530)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Rocky Linux · 8 | kernel-rt | 0:4.18.0-553.172.1.rt7.513.el8_10 |
Vulnerabilities 3
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Critical 9.8
svcrdma: Reject inline replies that overflow the pull-up buffer
In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject inline replies that overflow the pull-up buffer An RPC-over-RDMA client can request a reply, such as an NFS READ payload, without providing a Write list or a Reply chunk to ca…
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High 8.8
vsock/vmci: fix UAF when peer resets connection during handshake
In the Linux kernel, the following vulnerability has been resolved: vsock/vmci: fix UAF when peer resets connection during handshake vmci_transport_recv_connecting_server() returned err = 0 for a peer RST in its default switch arm: err = pkt->type == VMCI_TRA…
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High 7.8
packet: use consistent hard_header_len in non-ring send paths
In the Linux kernel, the following vulnerability has been resolved: packet: use consistent hard_header_len in non-ring send paths packet_snd() reads dev->hard_header_len multiple times while allocating and constructing an skb. Device reconfiguration can chang…