{"schema_version": "1.7.0", "id": "RLSA-2026:85773", "modified": "2026-10-21T06:48:00.517016Z", "published": "2026-10-21T06:37:12.817086Z", "upstream": ["CVE-2026-52935", "CVE-2026-53196", "CVE-2026-74588", "CVE-2026-74752", "CVE-2026-89479", "CVE-2026-89631", "CVE-2026-93288", "CVE-2026-93817", "CVE-2026-98320"], "summary": "Important: kernel security, bug fix, and enhancement update", "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: xfrm: espintcp: do not reuse an in-progress partial send (CVE-2026-52935)\n\n* kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info() (CVE-2026-53196)\n\n* kernel: sctp: keep chunk->transport in step with the list it is queued on (CVE-2026-74588)\n\n* kernel: sctp: validate cookie AUTH state before use (CVE-2026-74752)\n\n* kernel: smb: client: reject a tree connect response whose byte count is too small (CVE-2026-89631)\n\n* kernel: sctp: stop processing a packet once its association is deleted (CVE-2026-89479)\n\n* kernel: perf: Fix addr_filter_ranges lifetime (CVE-2026-93817)\n\n* kernel: netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state (CVE-2026-93288)\n\n* kernel: kernel: strparser: use-after-free via msg_timer_work rearm after strp_done() cancellation ()\n\n* kernel: netfilter: flowtable: hold reference on ct until flow is released (CVE-2026-98320)\n\nBug Fix(es) and Enhancement(s):\n\n*  gfs2 filesystem withdrawal rework [Rocky Linux-8] (JIRA:Rocky Linux-129363)\n\n* Batch: z-stream xfrm - rhel-8.10.z (NST-Core-26W38) (JIRA:Rocky Linux-256684)\n\nFor 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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:8", "name": "kernel", "purl": "pkg:rpm/rocky-linux/kernel?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:4.18.0-553.176.1.el8_10"}], "database_specific": {"yum_repository": "BaseOS"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:85773"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492098"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492750"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521384"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524422"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532089"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532290"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2540391"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2540500"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546494"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:85773"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:85773"}}