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ALSA-2026:39180 Not scored

Important: kernel-rt security update

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: net: bridge: use a stable FDB dst snapshot in RCU readers (CVE-2026-46086) * kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116) * kernel: XFS data corruption using reflink () 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.

Exploit probability Not scored
Published July 14, 2026
Required by Not available
Last source change July 14, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:8 kernel-rt
AlmaLinux:8 kernel-rt-core
AlmaLinux:8 kernel-rt-debug
AlmaLinux:8 kernel-rt-debug-core
AlmaLinux:8 kernel-rt-debug-devel
AlmaLinux:8 kernel-rt-debug-modules
AlmaLinux:8 kernel-rt-debug-modules-extra
AlmaLinux:8 kernel-rt-devel
AlmaLinux:8 kernel-rt-modules
AlmaLinux:8 kernel-rt-modules-extra

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2026:39180

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: net: bridge: use a stable FDB dst snapshot in RCU readers (CVE-2026-46086) * kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116) * kernel: XFS data corruption using reflink () 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.

View original source

05 / REFERENCES

Further evidence