Important: kernel update
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: eventpoll: defer struct eventpoll free to RCU grace period (CVE-2026-43074) * kernel: eventpoll: fix ep_remove struct eventpoll / struct file UAF (CVE-2026-46242) * kernel: Linux kernel: netfilter: ebtables SNAT target writes to shared memory pages during ARP hardware address rewrite (CVE-2026-53266) Bug Fix(es) and Enhancement(s): * kernel: Linux kernel: netfilter: ebtables SNAT target writes to shared memory pages during ARP hardware address rewrite [almalinux-9.8.z] (JIRA:AlmaLinux-182344) * [AlmaLinux 9] Bonding reports unknown speed/duplex for tg3 interface [almalinux-9.8.z] (JIRA:AlmaLinux-182768) 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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: eventpoll: defer struct eventpoll free to RCU grace period (CVE-2026-43074) * kernel: eventpoll: fix ep_remove struct eventpoll / struct file UAF (CVE-2026-46242) * kernel: Linux kernel: netfilter: ebtables SNAT target writes to shared memory pages during ARP hardware address rewrite (CVE-2026-53266) Bug Fix(es) and Enhancement(s): * kernel: Linux kernel: netfilter: ebtables SNAT target writes to shared memory pages during ARP hardware address rewrite [almalinux-9.8.z] (JIRA:AlmaLinux-182344) * [AlmaLinux 9] Bonding reports unknown speed/duplex for tg3 interface [almalinux-9.8.z] (JIRA:AlmaLinux-182768) 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.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2026:36645
- https://access.redhat.com/security/cve/CVE-2026-43074
- https://access.redhat.com/security/cve/CVE-2026-46242
- https://access.redhat.com/security/cve/CVE-2026-53266
- https://bugzilla.redhat.com/2467019
- https://bugzilla.redhat.com/2483519
- https://bugzilla.redhat.com/2485368
- https://errata.almalinux.org/9/ALSA-2026-36645.html