RLSA-2026:26427

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Source
https://errata.rockylinux.org/RLSA-2026:26427
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:26427.json
JSON Data
https://api.test.osv.dev/v1/vulns/RLSA-2026:26427
Upstream
Published
2026-06-19T00:00:43.922159Z
Modified
2026-06-19T00:30:05.036151052Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Important: kernel security update
Details

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: mptcp: fix slab-use-after-free in __inetlookupestablished (CVE-2026-31669)

  • kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787)

  • kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786)

  • kernel: wifi: brcmfmac: validate bsscfg indices in IF events (CVE-2026-43110)

  • kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329)

  • kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056)

  • kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152)

  • kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125)

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.

References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:8 / kernel

Package

Name
kernel
Purl
pkg:rpm/rocky-linux/kernel?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.134.1.el8_10
Database specific 
{
    "yum_repository": "BaseOS"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:26427.json"