{"schema_version": "1.7.0", "id": "RLSA-2026:57253", "modified": "2026-08-21T06:10:30.939870Z", "published": "2026-08-21T06:01:06.770182Z", "upstream": ["CVE-2024-56602", "CVE-2026-46120", "CVE-2026-52991", "CVE-2026-53189", "CVE-2026-63887", "CVE-2026-63888", "CVE-2026-64048", "CVE-2026-64379", "CVE-2026-68388"], "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: net: ieee802154: do not leave a dangling sk pointer in ieee802154_create() (CVE-2024-56602)\n\n* kernel: ip6_gre: Use cached t->net in ip6erspan_changelink() (CVE-2026-46120)\n\n* kernel: sched/psi: fix race between file release and pressure write (CVE-2026-52991)\n\n* kernel: mm/huge_memory: update file PMD counter before folio_put() (CVE-2026-53189)\n\n* kernel: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (CVE-2026-63888)\n\n* kernel: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (CVE-2026-63887)\n\n* kernel: net/smc: reject CHID-0 ACCEPT that matches an empty ism_dev slot (CVE-2026-64048)\n\n* kernel: smb: client: mask server-provided mode to 07777 in modefromsid (CVE-2026-64379)\n\n* kernel: smb/client: handle overlapping allocated ranges in fallocate (CVE-2026-68388)\n\nBug Fix(es) and Enhancement(s):\n\n* sfc: TX queue stalls and NIC resets caused by GFP_ATOMIC allocation failures after Rocky Linux 8.10 kernel update (JIRA:Rocky Linux-219767)\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:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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": "0:4.18.0-553.157.1.el8_10"}], "database_specific": {"yum_repository": "BaseOS"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:57253"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334501"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482614"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492403"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492788"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502443"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502447"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502589"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507135"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513470"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:57253"}], "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-2026:57253"}}