{"id":"RLSA-2026:68570","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: Linux kernel t7xx WWAN driver: Denial of Service via buffer overflow (CVE-2026-23172)\n\n* kernel: xfrm: hold dev ref until after transport_finish NF_HOOK (CVE-2026-31663)\n\n* kernel: RDMA/rxe: Fix race condition in QP timer handlers (CVE-2026-45910)\n\n* kernel: RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv (CVE-2026-46043)\n\n* kernel: RDMA/rxe: Reject unknown opcodes before ICRC processing (CVE-2026-46133)\n\n* kernel: RDMA/rxe: Reject non-8-byte ATOMIC_WRITE payloads (CVE-2026-46114)\n\n* kernel: net: ena: PHC: Fix potential use-after-free in get_timestamp (CVE-2026-52971)\n\n* kernel: IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN (CVE-2026-53176)\n\n* kernel: ALSA: timer: Forcibly close timer instances at closing (CVE-2026-53193)\n\n* kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info() (CVE-2026-53196)\n\n* kernel: xfrm: policy: fix use-after-free on inexact bin in xfrm_policy_bysel_ctx() (CVE-2026-53239)\n\n* kernel: ALSA: timer: Fix UAF at snd_timer_user_params() (CVE-2026-53192)\n\n* kernel: wifi: mac80211: limit injected antenna index in ieee80211_parse_tx_radiotap (CVE-2026-63869)\n\n* kernel: ALSA: seq: Serialize UMP output teardown with event_input (CVE-2026-64029)\n\n* kernel: ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate() (CVE-2026-63921)\n\n* kernel: xfrm: input: hold netns during deferred transport reinjection (CVE-2026-63919)\n\n* kernel: ip6: vti: Use ip6_tnl.net in vti6_changelink() (CVE-2026-63917)\n\n* kernel: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check (CVE-2026-63913)\n\n* kernel: wifi: iwlwifi: mvm: fix driver-set TX rates on old devices (CVE-2026-64176)\n\n* kernel: wifi: cfg80211: advance loop vars in cfg80211_merge_profile() (CVE-2026-64174)\n\n* kernel: wifi: iwlwifi: mld: stop TX during firmware restart (CVE-2026-64175)\n\n* kernel: RDMA/rxe: Fix a use-after-free problem in rxe_mmap (CVE-2026-64582)\n\n* kernel: Linux kernel: libceph stack out-of-bounds write via crafted OSDMap (CVE-2026-68159)\n\n* kernel: Linux kernel: ALSA timer use-after-free vulnerability allows privilege escalation (CVE-2026-68200)\n\n* kernel: Linux kernel (ice): Denial of Service via out-of-range ptype in VIRTCHNL (CVE-2026-68128)\n\n* kernel: Linux kernel: ath9k Wi-Fi driver use-after-free vulnerability leading to system crash (CVE-2026-68363)\n\n* kernel: xfrm: fix stale skb-\u003eprev after async crypto steals a GSO segment (CVE-2026-68426)\n\n* kernel: dm_early_create: fix freeing used table on dm_resume failure (CVE-2026-72102)\n\n* kernel: net: qrtr: fix 32-bit integer overflow in qrtr_endpoint_post() (CVE-2026-72298)\n\n* kernel: wifi: brcmfmac: cyw: fix heap overflow on a short auth frame (CVE-2026-72003)\n\n* kernel: selinux: check connect-related permissions on TCP Fast Open (CVE-2026-72243)\n\nBug Fix(es) and Enhancement(s):\n\n* gfs2: filesystem withdrawal rework [rhel-9.8.z] (JIRA:Rocky Linux-252540)\n\n* The slab cache entries for gfs2 and dlm grow very large for gfs2 filesystems [rhel-9.8.z] (JIRA:Rocky Linux-252544)\n\n* gfs2: Get rid of sd_async_glock_wait [rhel-9.8.z] (JIRA:Rocky Linux-253986)\n\n* [Rocky Linux9.8z] watchdog: System panics during reboot when pretimeout is disabled (0) (JIRA:Rocky Linux-255217)\n\n* [usb/xhci] kdump on Arrow Lake systems hangs system with dracut-initqueue Timed out errors [rhel-9.8.z] (JIRA:Rocky Linux-256733)\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.","modified":"2026-09-19T12:30:02.459171482Z","published":"2026-09-19T12:04:58.550496Z","upstream":["CVE-2026-23172","CVE-2026-31663","CVE-2026-45910","CVE-2026-46043","CVE-2026-46114","CVE-2026-46133","CVE-2026-52971","CVE-2026-53176","CVE-2026-53192","CVE-2026-53193","CVE-2026-53196","CVE-2026-53239","CVE-2026-63869","CVE-2026-63913","CVE-2026-63917","CVE-2026-63919","CVE-2026-63921","CVE-2026-64029","CVE-2026-64174","CVE-2026-64175","CVE-2026-64176","CVE-2026-64582","CVE-2026-68128","CVE-2026-68159","CVE-2026-68200","CVE-2026-68363","CVE-2026-68426","CVE-2026-72003","CVE-2026-72102","CVE-2026-72243","CVE-2026-72298"],"database_specific":{"license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:68570"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:68570"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2439924"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2461462"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482098"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482127"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482550"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482618"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492436"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492741"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492742"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492750"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492779"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492792"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502295"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502347"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502368"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502412"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502434"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502438"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502575"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502580"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502596"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2511448"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2513165"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2513171"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2513271"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2513286"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2513477"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2516490"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2516599"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2516679"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2516684"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:68570"}],"affected":[{"package":{"name":"kernel","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/kernel?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:5.14.0-687.49.1.el9_8"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:68570.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}