Summary
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period (CVE-2026-98432)
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 25
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | bpftool | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-abi-stablelists | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-core | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-cross-headers | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-debug | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-debug-core | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-debug-devel | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-debug-modules | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-debug-modules-extra | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-devel | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-doc | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-headers | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-modules | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-modules-extra | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-tools | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-tools-libs | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-tools-libs-devel | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump-core | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump-devel | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump-modules | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump-modules-extra | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | perf | 4.18.0-553.182.1.el8_10 |
| AlmaLinux · 8 | python3-perf | 4.18.0-553.182.1.el8_10 |
Vulnerabilities 1
-
Critical 9.8CVE-2026-98432 Public exploit
ipv4: free inet_opt and ireq_opt after an RCU grace period
In the Linux kernel, the following vulnerability has been resolved: ipv4: free inet_opt and ireq_opt after an RCU grace period tcp_v4_syn_recv_sock() transfers ownership of ireq->ireq_opt to the child socket (newinet->inet_opt) without copying it. Another cpu…