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High 1 exploited CVE ELSA-2026-50288 1 CVE

Important: Unbreakable Enterprise kernel security update: Fragnesia (Oracle Linux 7)

Published May 25, 2026 · Updated May 25, 2026

Ecosystem: Oracle Linux

Summary

[5.4.17-2136.355.3.4]
- net: skbuff: propagate shared-frag marker through frag-transfer helpers (Hyunwoo Kim) [Orabug: 39420568] {CVE-2026-46300}
- net: skbuff: preserve shared-frag marker during coalescing (William Bowling) [Orabug: 39420568]

Fixed packages 8

ReleasePackageFixed in
Oracle Linux · 7 kernel-uek 0:5.4.17-2136.355.3.4.el8uek
Oracle Linux · 7 kernel-uek-container 0:5.4.17-2136.355.3.4.el8uek
Oracle Linux · 7 kernel-uek-container-debug 0:5.4.17-2136.355.3.4.el8uek
Oracle Linux · 7 kernel-uek-debug 0:5.4.17-2136.355.3.4.el8uek
Oracle Linux · 7 kernel-uek-debug-devel 0:5.4.17-2136.355.3.4.el8uek
Oracle Linux · 7 kernel-uek-devel 0:5.4.17-2136.355.3.4.el8uek
Oracle Linux · 7 kernel-uek-doc 0:5.4.17-2136.355.3.4.el8uek
Oracle Linux · 7 kernel-uek-tools 0:5.4.17-2136.355.3.4.el7uek

Vulnerabilities 1

  • High 7.8
    CVE-2026-46300 Exploited Public exploit EPSS 16%

    net: skbuff: preserve shared-frag marker during coalescing

    In the Linux kernel, the following vulnerability has been resolved: net: skbuff: preserve shared-frag marker during coalescing skb_try_coalesce() can attach paged frags from @from to @to. If @from has SKBFL_SHARED_FRAG set, the resulting @to skb can contain t…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
    KEV Oct 28, 2026