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Red Hat Security Advisory

RHSA-2026:23224

kernel security update

Released 2026-06-04 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 13 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 49

In the Linux kernel, the following vulnerability has been resolved: usbip: validate number_of_packets in usbip_pack_ret_submit() When a USB/IP client receives a RET_SUBMIT response, usbip_pack_ret_submit() unconditionall…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00311 Published 2026-04-24 Partial fix · 2.6.33, 2.6.34 +12 CWE-787
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 47

In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6t_eui64: reject invalid MAC header for all packets `eui64_mt6()` derives a modified EUI-64 from the Ethernet source address and compares i…

CVSS 3.1CRITICAL 9.4 Network No auth No interaction EPSS 0.00485 Published 2026-04-25 Partial fix · 5.10.258, 5.15.209 +6 CWE-125
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: netfilter: nf_tables: release flowtable after rcu grace period on error Call synchronize_rcu() after unregistering the hooks from error path, since a ho…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00165 Published 2026-03-25 Partial fix · 5.10.273, 5.15.224 +6 CWE-416
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 35

In the Linux kernel, the following vulnerability has been resolved: proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al Check pde->proc_ops->proc_lseek directly may cause UAF in rmmod scenar…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00177 Published 2025-08-22 Partial fix · 6.1.148, 6.6.102 +4 CWE-416
TI-2025-41942 CVE-2025-68366 · GHSA-9x47-h3pc-w4pg

nbd: defer config unlock in nbd_genl_connect

Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbd_genl_connect There is one use-after-free warning when running NBD_CMD_CONNECT and NBD_CLEAR_SOCK: nbd_genl_connect nbd_a…

CVSS — EPSS 0.00198 Published 2025-12-24 Partial fix · 5.10.248, 5.15.198 +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
Priority LOW 20

In the Linux kernel, the following vulnerability has been resolved: ice: Fix PTP NULL pointer dereference during VSI rebuild Fix race condition where PTP periodic work runs while VSI is being rebuilt, accessing NULL vsi-…

CVSS 3.1MEDIUM 4.7 Local Low privileges No interaction EPSS 0.00097 Published 2026-02-14 Partial fix · 6.12.80, 6.18.10 +1 CWE-362