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Red Hat Security Advisory

RHSA-2026:89714

OpenShift Container Platform 4.16.74 bug fix and security update

Released 2026-10-27 · Red Hat rating Critical · View on Red Hat →

Fixed in

Fixes 8 records

Priority MEDIUM 52

In the Linux kernel, the following vulnerability has been resolved: sctp: don't free the ASCONF's own transport in DEL-IP processing sctp_process_asconf() caches the transport the ASCONF chunk is processed against in asc…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.01432 Published 2026-08-04 Partial fix · 5.10.265, 5.15.216 +6 CWE-416
Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry New test case fails unexpectedly when avx2 matching functions are used.

CVSS 3.1CRITICAL 9.4 Network No auth No interaction EPSS 0.0037 Published 2026-05-06 Partial fix · 5.10.258, 5.15.209 +6 CWE-20
Priority MEDIUM 43

In the Linux kernel, the following vulnerability has been resolved: ipv4: validate checksum_start before completing checksum If a packet with bad checksum metadata gets into the ipv4 stack, skb_checksum_help can corrupt…

CVSS 3.1CRITICAL 9.3 Local No auth No interaction EPSS 0.00788 Published 2026-10-15 Partial fix · 5.10.272, 5.15.223 +6 CWE-20
Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: pppoe: reload header pointer after dev_hard_header() pppoe_sendmsg() saves a pointer to the PPPoE header before calling dev_hard_header().

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00367 Published 2026-08-10 Partial fix · 5.10.265, 5.15.216 +6 CWE-416
Priority LOW 32

The system certificate authority (CA) store in Red Hat products, distributed via ca-certificates RPM packages, included multiple root CA certificates of authorities, which signed intermediate CA certificates with weak pr…

CVSS 3.1MEDIUM 6.8 Network No auth User interaction EPSS 0.0031 Published 2026-10-21 Partial fix · 2026.2.92_v9.0.319-100.3.el10_2, 2026.2.92_v9.0.319-100.3.el10_0 +138 CWE-295
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix responder UAF on IB_QP_MAX_DEST_RD_ATOMIC modify_qp rxe_qp_from_attr() handles IB_QP_MAX_DEST_RD_ATOMIC outside the IB_QP_STATE path, so i…

CVSS — EPSS 0.00197 Published 2026-09-04 Partial fix · 6.1.191, 6.6.160 +5
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix OOB in free_rd_atomic_resources() free_rd_atomic_resources() iterates using qp->attr.max_dest_rd_atomic.

CVSS — EPSS 0.00182 Published 2026-09-04 Partial fix · 5.10.269, 5.15.220 +7
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix use-after-free in ip6_finish_output2() ip6_finish_output2() caches a pointer to the IPv6 destination address (daddr) before invoking lwtunnel_…

CVSS — EPSS 0.00195 Published 2026-09-04 Partial fix · 5.10.267, 5.5 +8