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Red Hat Security Advisory

RHSA-2026:22900

kernel-rt security update

Released 2026-06-03 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 7 records

TI-2026-31217 CVE-2026-43037 · GHSA-p2wf-qj6m-x5fg

ip6_tunnel: clear skb2->cb[] in ip4ip6_err()

Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() Oskar Kjos reported the following problem.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00688 Published 2026-05-01 Partial fix · 5.10.253, 5.15.203 +6 CWE-121
Priority MEDIUM 48

In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() Sashiko AI-review observed: In ip6_err_gen_icmpv6_unreach(), the skb is an outer IPv4 ICMP…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00255 Published 2026-05-01 Partial fix · 5.10.253, 5.15.203 +6 CWE-787
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: smb: client: validate the whole DACL before rewriting it in cifsacl build_sec_desc() and id_mode_to_cifs_acl() derive a DACL pointer from a server-suppl…

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.00345 Published 2026-05-01 Partial fix · 5.15.210, 6.1.176 +5 CWE-125
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free in bond_xmit_broadcast() bond_xmit_broadcast() reuses the original skb for the last slave (determined by bond_is_last_s…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00129 Published 2026-04-13 Partial fix · 5.10.273, 5.15.224 +7 CWE-362
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks As Paolo said earlier [1]: "Since the blamed commit below, classify can…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00137 Published 2026-03-18 Partial fix · 5.15.203, 6.1.167 +6 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit The following setup can trigger a WARNING in htb_activate due to the condition: !…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00184 Published 2025-09-11 Partial fix · 5.4.297, 5.10.241 +6
Priority LOW 20

In the Linux kernel, the following vulnerability has been resolved: md/bitmap: fix GPF in write_page caused by resize race A General Protection Fault occurs in write_page() during array resize: RIP: 0010:write_page+0x22b…

CVSS 3.1MEDIUM 4.7 Local Low privileges No interaction EPSS 0.00091 Published 2026-05-06 Partial fix · 5.10.252, 5.15.202 +6 CWE-362