Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update
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: 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 RHEL 8.10 kernel update (JIRA:RHEL-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.
Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update
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: 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 RHEL 8.10 kernel update (JIRA:RHEL-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.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:57254
- Cve Count
- 9
- Additional Cves
- ["CVE-2026-46120","CVE-2026-52991","CVE-2026-53189","CVE-2026-63887","CVE-2026-63888","CVE-2026-64048","CVE-2026-64379","CVE-2026-68388"]
- Cvss Version
- null
Threat ID: 6a870a6dacd9273b49b58969
Added to database: 08/20/2026, 14:08:45 UTC
Last updated: 08/20/2026, 14:08:45 UTC
Views: 1
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