{"id":"ALSA-2026:57253","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  * kernel: ip6_gre: Use cached t-\u003enet in ip6erspan_changelink() (CVE-2026-46120)\n  * kernel: sched/psi: fix race between file release and pressure write (CVE-2026-52991)\n  * kernel: mm/huge_memory: update file PMD counter before folio_put() (CVE-2026-53189)\n  * kernel: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (CVE-2026-63888)\n  * kernel: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (CVE-2026-63887)\n  * kernel: net/smc: reject CHID-0 ACCEPT that matches an empty ism_dev slot (CVE-2026-64048)\n  * kernel: smb: client: mask server-provided mode to 07777 in modefromsid (CVE-2026-64379)\n  * kernel: smb/client: handle overlapping allocated ranges in fallocate (CVE-2026-68388)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * sfc: TX queue stalls and NIC resets caused by GFP_ATOMIC allocation failures after AlmaLinux 8.10 kernel update (JIRA:AlmaLinux-219767)\n\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.\n","modified":"2026-08-21T15:26:55.329201281Z","published":"2026-08-20T00:00:00Z","related":["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"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:57253"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2024-56602"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-46120"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-52991"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-53189"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-63887"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-63888"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-64048"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-64379"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-68388"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2334501"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2482614"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2492403"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2492788"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2502443"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2502447"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2502589"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2507135"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2513470"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2026-57253.html"}],"affected":[{"package":{"name":"bpftool","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/bpftool"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.157.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:57253.json"}},{"package":{"name":"kernel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.157.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:57253.json"}},{"package":{"name":"kernel-abi-stablelists","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-abi-stablelists"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.157.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:57253.json"}},{"package":{"name":"kernel-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.157.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:57253.json"}},{"package":{"name":"kernel-cross-headers","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-cross-headers"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.157.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:57253.json"}},{"package":{"name":"kernel-debug","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.157.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:57253.json"}},{"package":{"name":"kernel-debug-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.157.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:57253.json"}},{"package":{"name":"kernel-debug-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.157.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:57253.json"}},{"package":{"name":"kernel-debug-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.157.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:57253.json"}},{"package":{"name":"kernel-debug-modules-extra","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.157.1.el8_10"}]}],"database_specific":{"source":"http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