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Red Hat Security Advisory

RHSA-2026:25533

kernel security update

Released 2026-06-12 · Red Hat rating Critical · View on Red Hat →

Fixed in

Fixes 16 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 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
TI-2024-27433 CVE-2024-41073 · GHSA-q423-q7jg-m3rq

nvme: avoid double free special payload

Priority MEDIUM 43

In the Linux kernel, the following vulnerability has been resolved: nvme: avoid double free special payload If a discard request needs to be retried, and that retry may fail before a new special payload is added, a doubl…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00672 Published 2024-07-29 Partial fix · 5.10.237, 5.15.164 +4 CWE-415
Priority MEDIUM 42

In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_tcpmss: check remaining length before reading optlen Quoting reporter: In net/netfilter/xt_tcpmss.c (lines 53-68), the TCP option parser r…

CVSS 3.1HIGH 8.2 Network No auth No interaction EPSS 0.00463 Published 2026-05-06 Partial fix · 5.10.252, 5.15.202 +6 CWE-125
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: validate bsscfg indices in IF events brcmf_fweh_handle_if_event() validates the firmware-provided interface index before it touches drvr…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.0027 Published 2026-05-06 Partial fix · 5.10.258, 5.15.209 +6 CWE-129
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id Use check_add_overflow() to guard against potential integer overflows when addi…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00142 Published 2025-12-24 Partial fix · 5.10.248, 5.15.198 +6
TI-2025-26840 CVE-2025-40170 · GHSA-3vr4-gx8q-4fgg

net: use dst_dev_rcu() in sk_setup_caps()

Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: net: use dst_dev_rcu() in sk_setup_caps() Use RCU to protect accesses to dst->dev from sk_setup_caps() and sk_dst_gso_max_size().

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00193 Published 2025-11-12 Partial fix · 6.1.191, 6.6.160 +3
Priority LOW 38

In the Linux kernel, the following vulnerability has been resolved: sctp: fix a potential overflow in sctp_ifwdtsn_skip Currently, when traversing ifwdtsn skips with _sctp_walk_ifwdtsn, it only checks the pos against the…

CVSS 3.1HIGH 8.2 Network No auth No interaction EPSS 0.00385 Published 2025-09-18 Partial fix · 4.19.281, 5.4.241 +5 CWE-787
TI-2025-26828 CVE-2025-40158 · GHSA-4g43-pmw7-v27w

ipv6: use RCU in ip6_output()

Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_output() Use RCU in ip6_output() in order to use dst_dev_rcu() to prevent possible UAF.

CVSS 3.1HIGH 8.1 Network No auth No interaction EPSS 0.00555 Published 2025-11-12 Partial fix · 6.1.191, 6.6.160 +3
TI-2025-26806 CVE-2025-40135 · GHSA-q28q-889g-6rx2

ipv6: use RCU in ip6_xmit()

Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_xmit() Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.

CVSS 3.1HIGH 8.1 Network No auth No interaction EPSS 0.0071 Published 2025-11-12 Partial fix · 5.15.224, 6.1.167 +4
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: can: raw: fix ro->uniq use-after-free in raw_rcv() raw_release() unregisters raw CAN receive filters via can_rx_unregister(), but receiver deletion is d…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00165 Published 2026-04-23 Fixed in 5.10.258, 5.15.209 +7 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() In iscsit_dec_conn_usage_count(), the function calls complete() while holding t…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00142 Published 2026-02-18 Partial fix · 5.10.250, 5.15.200 +5 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlan_forward_source() Add RCU protection on (struct macvlan_source_entry)->vlan.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00206 Published 2026-01-25 Partial fix · 5.10.249, 5.15.199 +5 CWE-416
TI-2025-43239 CVE-2025-71089 · GHSA-r6cc-j9rp-4f85

iommu: disable SVA when CONFIG_X86 is set

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: iommu: disable SVA when CONFIG_X86 is set Patch series "Fix stale IOTLB entries for kernel address space", v7.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00162 Published 2026-01-13 Partial fix · 5.10.273, 5.15.200 +5 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