[ALSA-2026:68532] Important: kernel-rt security update
Type:
security
Severity:
important
Release date:
2026-09-17
Description:
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: ipvlan: Make the addrs_lock be per port (CVE-2026-23103) * kernel: xfrm: hold dev ref until after transport_finish NF_HOOK (CVE-2026-31663) * kernel: netfilter: nf_conntrack_h323: fix OOB read in decode_choice() (CVE-2026-43233) * kernel: ipv6: prevent possible UaF in addrconf_permanent_addr() (CVE-2026-43339) * kernel: inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP (CVE-2026-46266) * kernel: flow_dissector: do not dissect PPPoE PFC frames (CVE-2026-46306) * kernel: netfilter: xt_policy: fix strict mode inbound policy matching (CVE-2026-52920) * kernel: ppp: require CAP_NET_ADMIN in target netns for unattached ioctls (CVE-2026-53075) * kernel: ipv6: sit: reload inner IPv6 header after GSO offloads (CVE-2026-53228) * kernel: IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN (CVE-2026-53176) * kernel: netfilter: require Ethernet MAC header before using eth_hdr() (CVE-2026-53131) * kernel: netfilter: conntrack_irc: fix possible out-of-bounds read (CVE-2026-53268) * kernel: xfrm: policy: fix use-after-free on inexact bin in xfrm_policy_bysel_ctx() (CVE-2026-53239) * kernel: ALSA: timer: Fix UAF at snd_timer_user_params() (CVE-2026-53192) * kernel: net: guard timestamp cmsgs to real error queue skbs (CVE-2026-53223) * kernel: ipv6: mcast: Fix use-after-free when processing MLD queries (CVE-2026-53275) * kernel: ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table() (CVE-2026-64002) * kernel: ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate() (CVE-2026-63921) * kernel: xfrm: input: hold netns during deferred transport reinjection (CVE-2026-63919) * kernel: ip6: vti: Use ip6_tnl.net in vti6_changelink() (CVE-2026-63917) * kernel: Linux kernel SLIP: Out-of-bounds write due to race condition during MTU change (CVE-2026-68143) * kernel: xfrm: fix stale skb->prev after async crypto steals a GSO segment (CVE-2026-68426) * kernel: net: qrtr: fix 32-bit integer overflow in qrtr_endpoint_post() (CVE-2026-72298) 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.
Updated packages listed below:
Architecture Package Checksum
x86_64 kernel-rt-modules-4.18.0-553.164.1.rt7.505.el8_10.x86_64.rpm 0cbc0b6b886ec9e76968a88d6643d085b6bedd17e7bb9472ec39bc56585a5b05
x86_64 kernel-rt-devel-4.18.0-553.164.1.rt7.505.el8_10.x86_64.rpm 38c6e774c4debedfa5c3fa892fb13f7917eb83c24bbc7ac642d8a549cab45f75
x86_64 kernel-rt-4.18.0-553.164.1.rt7.505.el8_10.x86_64.rpm 6049bc3d0605ac5cf20e72975da63c15ab5ca728da6c1dcce54ac2eea95ab944
x86_64 kernel-rt-debug-devel-4.18.0-553.164.1.rt7.505.el8_10.x86_64.rpm 6436ddcdb2cb9ac4df8e8f89144843cf1114d9fa5d321af868b70ec6fd8c5043
x86_64 kernel-rt-debug-modules-extra-4.18.0-553.164.1.rt7.505.el8_10.x86_64.rpm 65937b689c196bb3f41b828b76db35e95438496ae28a4ec64e435cf99b724554
x86_64 kernel-rt-modules-extra-4.18.0-553.164.1.rt7.505.el8_10.x86_64.rpm 7dfa446a03c4d3a12aa0f922cf631aeefed0fadcde47420a257442e6e7f62357
x86_64 kernel-rt-core-4.18.0-553.164.1.rt7.505.el8_10.x86_64.rpm 8fba014cb2bdc3042e92432c2351741e6f5da8ad6148102c36d0d494ea81753f
x86_64 kernel-rt-debug-core-4.18.0-553.164.1.rt7.505.el8_10.x86_64.rpm 94b0ab2efe667239bd4c056ef824073d4d683d1c15bd87def89c90a8f903dcf9
x86_64 kernel-rt-debug-modules-4.18.0-553.164.1.rt7.505.el8_10.x86_64.rpm a3b05b3aafaf5fbc432215d051669ab954a1c587fe18c1d330ecfe53e3f00031
x86_64 kernel-rt-debug-4.18.0-553.164.1.rt7.505.el8_10.x86_64.rpm aa871a53c412c2588167b310f65080b324fc738a0d7fe9ed1c0595e210ff8e39
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.