# RHSA-2026:66324: Security update for 12 packages RHSA-2026:66324, released September 13, 2026, fixes 15 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/fix/linux/rhsa-2026-66324 - Platform: Linux - Released: Sep 13, 2026 - Priority: Urgent (Closes CVE-2025-68745, rated Critical) - CVEs: 15, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://access.redhat.com/errata/RHSA-2026:66324 ## Applies to | Product | Release | Fixed in | |---|---|---| | [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | RHEL 8 | 0:4.18.0-553.162.1.rt7.503.el8_10 | | [kernel-rt-core](https://patchblox.com/security/data/product/linux/kernel-rt-core.md) | RHEL 8 | 0:4.18.0-553.162.1.rt7.503.el8_10 | | [kernel-rt-debug](https://patchblox.com/security/data/product/linux/kernel-rt-debug.md) | RHEL 8 | 0:4.18.0-553.162.1.rt7.503.el8_10 | | [kernel-rt-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-core.md) | RHEL 8 | 0:4.18.0-553.162.1.rt7.503.el8_10 | | [kernel-rt-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-debug-devel.md) | RHEL 8 | 0:4.18.0-553.162.1.rt7.503.el8_10 | | [kernel-rt-debug-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-debug-kvm.md) | RHEL 8 | 0:4.18.0-553.162.1.rt7.503.el8_10 | | [kernel-rt-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules.md) | RHEL 8 | 0:4.18.0-553.162.1.rt7.503.el8_10 | | [kernel-rt-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-extra.md) | RHEL 8 | 0:4.18.0-553.162.1.rt7.503.el8_10 | | [kernel-rt-devel](https://patchblox.com/security/data/product/linux/kernel-rt-devel.md) | RHEL 8 | 0:4.18.0-553.162.1.rt7.503.el8_10 | | [kernel-rt-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-kvm.md) | RHEL 8 | 0:4.18.0-553.162.1.rt7.503.el8_10 | | [kernel-rt-modules](https://patchblox.com/security/data/product/linux/kernel-rt-modules.md) | RHEL 8 | 0:4.18.0-553.162.1.rt7.503.el8_10 | | [kernel-rt-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-modules-extra.md) | RHEL 8 | 0:4.18.0-553.162.1.rt7.503.el8_10 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2025-68745](https://patchblox.com/security/data/cve/CVE-2025-68745.md) | Urgent | linux: In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Clear cmds after chip reset Comm... | 9.8 | 0.0050 | | | [CVE-2026-52986](https://patchblox.com/security/data/cve/CVE-2026-52986.md) | High | netfilter: nf_conntrack_sip: don't use simple_strtoul | 9.8 | 0.0063 | | | [CVE-2026-68376](https://patchblox.com/security/data/cve/CVE-2026-68376.md) | High | sctp: fix auth_hmacs array size in struct sctp_cookie | 8.1 | 0.0061 | | | [CVE-2026-68300](https://patchblox.com/security/data/cve/CVE-2026-68300.md) | High | sctp: auth: verify auth requirement when auth_chunk is NULL | 9.8 | 0.0058 | | | [CVE-2026-64113](https://patchblox.com/security/data/cve/CVE-2026-64113.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 9.8 | 0.0053 | | | [CVE-2026-68117](https://patchblox.com/security/data/cve/CVE-2026-68117.md) | High | tipc: clear sock->sk on the failed-insert path in tipc_sk_create() | 9.8 | 0.0053 | | | [CVE-2026-63801](https://patchblox.com/security/data/cve/CVE-2026-63801.md) | High | tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done | 8.8 | 0.0051 | | | [CVE-2026-68315](https://patchblox.com/security/data/cve/CVE-2026-68315.md) | High | sctp: validate stream count in sctp_process_strreset_inreq() | 8.8 | 0.0051 | | | [CVE-2026-53246](https://patchblox.com/security/data/cve/CVE-2026-53246.md) | High | sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing | 9.8 | 0.0044 | | | [CVE-2026-64015](https://patchblox.com/security/data/cve/CVE-2026-64015.md) | High | kernel-debug-modules-core: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.1 | 0.0016 | | | [CVE-2026-46149](https://patchblox.com/security/data/cve/CVE-2026-46149.md) | High | scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() | 8.8 | 0.0014 | | | [CVE-2026-53091](https://patchblox.com/security/data/cve/CVE-2026-53091.md) | High | net: pull headers in qdisc_pkt_len_segs_init() | 8.4 | 0.0014 | | | [CVE-2026-52942](https://patchblox.com/security/data/cve/CVE-2026-52942.md) | High | netfilter: nf_log: validate MAC header was set before dumping it | 7.1 | 0.0013 | | | [CVE-2026-63971](https://patchblox.com/security/data/cve/CVE-2026-63971.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.8 | 0.0013 | | | [CVE-2026-52917](https://patchblox.com/security/data/cve/CVE-2026-52917.md) | High | sctp: diag: reject stale associations in dump_one path | 8.8 | 0.0013 | | --- Data as of 2026-11-07T18:46:35Z UTC. 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