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High RLSA-2026:47010 1 CVE

Important: kernel-rt security update

Published Jul 29, 2026 · Updated Jul 29, 2026

Ecosystem: Rocky Linux

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: ipv6: fix possible UAF in icmpv6_rcv() (CVE-2026-53006)

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

ReleasePackageFixed in
Rocky Linux · 8 kernel-rt 0:4.18.0-553.148.1.rt7.489.el8_10

Vulnerabilities 1

  • Critical 9.8
    CVE-2026-53006

    ipv6: fix possible UAF in icmpv6_rcv()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible UAF in icmpv6_rcv() Caching saddr and daddr before pskb_pull() is problematic since skb->head can change. Remove these temporary variables: - We only access &ipv6_hdr(skb)-…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492363