Issued at: 2026-08-21
Updated at: 2026-08-21
Advisory content derived from Red Hat RHSA-2026:57253, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: kernel security, bug fix, and enhancement update
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: net: ieee802154: do not leave a dangling sk pointer in ieee802154_create() (CVE-2024-56602)
* kernel: ip6_gre: Use cached t->net in ip6erspan_changelink() (CVE-2026-46120)
* kernel: sched/psi: fix race between file release and pressure write (CVE-2026-52991)
* kernel: mm/huge_memory: update file PMD counter before folio_put() (CVE-2026-53189)
* kernel: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (CVE-2026-63888)
* kernel: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (CVE-2026-63887)
* kernel: net/smc: reject CHID-0 ACCEPT that matches an empty ism_dev slot (CVE-2026-64048)
* kernel: smb: client: mask server-provided mode to 07777 in modefromsid (CVE-2026-64379)
* kernel: smb/client: handle overlapping allocated ranges in fallocate (CVE-2026-68388)
Bug Fix(es) and Enhancement(s):
* sfc: TX queue stalls and NIC resets caused by GFP_ATOMIC allocation failures after Rocky Linux 8.10 kernel update (JIRA:Rocky Linux-219767)
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.