Summary
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: netfilter: nfnetlink_queue: do shared-unconfirmed check before segmentation (CVE-2026-45859)
* kernel: net/sched: act_ct: Only release RCU read lock after ct_ft (CVE-2026-46319)
* kernel: net/sched: taprio: fix use-after-free in advance_sched() on schedule switch (CVE-2026-53011)
* kernel: USB: serial: mxuport: fix memory corruption with small endpoint (CVE-2026-63899)
* kernel: bridge: mcast: Fix a possible use-after-free when removing a bridge port (CVE-2026-64032)
* kernel: wifi: mac80211: bounds-check link_id in ieee80211_ml_epcs (CVE-2026-64030)
* kernel: Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close (CVE-2026-63974)
* kernel: idpf: fix read_dev_clk_lock spinlock init in idpf_ptp_init() (CVE-2026-64162)
* kernel: Linux kernel: Denial of Service due to use-after-free in act_tunnel_key (CVE-2026-68377)
* kernel: net/iucv: fix use-after-free of a severed iucv_path (CVE-2026-68140)
* kernel: ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get (CVE-2026-72262)
* kernel: dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev_open() (CVE-2026-74574)
* kernel: ALSA: usx2y: bound the hwdep mmap fault offset (CVE-2026-74641)
* kernel: net/smc: carry oversized SMC-Rv2 LLC messages in the queue entry (CVE-2026-80985)
* kernel: svcrdma: Validate Read chunk positions before reconstruction (CVE-2026-89526)
* kernel: nfsd: don't free session slots that are still in use (CVE-2026-89689)
* kernel: NFSD: Prevent client use-after-free during blocked-lock reaping (CVE-2026-90036)
* kernel: media: cx231xx: reject geometry changes while the VBI queue is busy (CVE-2026-89894)
* kernel: SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry (CVE-2026-93207)
* kernel: svcrdma: Reject Write/Reply chunks with segcount 0 (CVE-2026-93228)
Bug Fix(es) and Enhancement(s):
* cannot use VFs of i40e/ice NIC in bond device (JIRA:Rocky Linux-143410)
* ionic: commit backported to 9.8 missing in 10.2 (JIRA:Rocky Linux-165657)
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.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Rocky Linux · 10 | kernel | 0:6.12.0-211.66.1.el10_2 |
Vulnerabilities 20
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Critical 9.8
idpf: fix read_dev_clk_lock spinlock init in idpf_ptp_init()
In the Linux kernel, the following vulnerability has been resolved: idpf: fix read_dev_clk_lock spinlock init in idpf_ptp_init() In idpf_ptp_init(), read_dev_clk_lock is initialized after ptp_schedule_worker() had already been called (and after idpf_ptp_setti…
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Critical 9.8
svcrdma: Validate Read chunk positions before reconstruction
In the Linux kernel, the following vulnerability has been resolved: svcrdma: Validate Read chunk positions before reconstruction The RPC/RDMA Read chunk position field is supplied by the remote client and stored verbatim in the parsed chunk list. xdr_count_re…
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Critical 9.8
nfsd: don't free session slots that are still in use
In the Linux kernel, the following vulnerability has been resolved: nfsd: don't free session slots that are still in use nfsd4_sequence() can free the very slot it is currently processing. When the session shrinker has reduced se_target_maxslots below se_fcha…
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Critical 9.8
NFSD: Prevent client use-after-free during blocked-lock reaping
In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent client use-after-free during blocked-lock reaping A bare lock owner -- its only remaining reference a blocked lock on nn->blocked_locks_lru -- holds a raw pointer to its nfs4_cl…
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Critical 9.8
SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry svcauth_gss_decode_credbody() writes the caller's rpc_gss_wire_cred field by field and assigns gc_ctx.len only on the suc…
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Critical 9.1
svcrdma: Reject Write/Reply chunks with segcount 0
In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject Write/Reply chunks with segcount 0 A peer can send a Write or Reply chunk whose segcount field is zero. xdr_check_write_chunk() only rejects segcount > rc_maxpages, so zero pa…
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High 8.8
Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close Since hci_dev_close_sync() can now be called during the reset path, we should also set HCI_CMD_DRAIN_WORKQUEUE. This avoid…
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High 8.8
wifi: mac80211: bounds-check link_id in ieee80211_ml_epcs
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: bounds-check link_id in ieee80211_ml_epcs IEEE80211_MLE_STA_EPCS_CONTROL_LINK_ID is 0x000f, so link_id extracted from a PRIO_ACCESS ML element PER_STA_PROFILE subelement can b…
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High 8.8
net/iucv: fix use-after-free of a severed iucv_path
In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix use-after-free of a severed iucv_path af_iucv queues not-yet-received message notifications on iucv->message_q, each holding a raw pointer to the connection's iucv_path. When th…
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High 8.2
net/smc: carry oversized SMC-Rv2 LLC messages in the queue entry
In the Linux kernel, the following vulnerability has been resolved: net/smc: carry oversized SMC-Rv2 LLC messages in the queue entry smc_llc_rmt_delete_rkey() and smc_llc_save_add_link_rkeys() read the part of a v2 message that does not fit into the 44-byte u…
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High 7.8
net/sched: act_ct: Only release RCU read lock after ct_ft
In the Linux kernel, the following vulnerability has been resolved: net/sched: act_ct: Only release RCU read lock after ct_ft When looking up a flow table in act_ct in tcf_ct_flow_table_get(), rhashtable_lookup_fast() internally opens and closes an RCU read c…
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High 7.8
net/sched: taprio: fix use-after-free in advance_sched() on schedule switch
In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: fix use-after-free in advance_sched() on schedule switch In advance_sched(), when should_change_schedules() returns true, switch_schedules() is called to promote the admin …
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High 7.8
bridge: mcast: Fix a possible use-after-free when removing a bridge port
In the Linux kernel, the following vulnerability has been resolved: bridge: mcast: Fix a possible use-after-free when removing a bridge port When per-VLAN multicast snooping is enabled, the bridge iterates over all the bridge ports, disables the per-port mult…
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High 7.8
net/sched: act_tunnel_key: Defer dst_release to RCU callback
In the Linux kernel, the following vulnerability has been resolved: net/sched: act_tunnel_key: Defer dst_release to RCU callback Fix a race-condition use-after-free in tunnel_key_release_params(). The function releases the metadata_dst of the old params synch…
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High 7.8
ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get
In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get The ipc_control_data buffer is allocated as kzalloc(max_size), where max_size covers the entire struct sof_ipc_ctrl_data includ…
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High 7.8
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev_open()
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev_open() The failed_dev_add and failed_dev_name paths drop the file-device reference while wq->wq_lock is still held. If put_device(…
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High 7.8
ALSA: usx2y: bound the hwdep mmap fault offset
In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: bound the hwdep mmap fault offset snd_us428ctls_vm_fault() turns the faulting page offset into a kernel address with no bound of any kind: offset = vmf->pgoff << PAGE_SHIFT; vadd…
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High 7.8
media: cx231xx: reject geometry changes while the VBI queue is busy
In the Linux kernel, the following vulnerability has been resolved: media: cx231xx: reject geometry changes while the VBI queue is busy vidioc_s_fmt_vid_cap() and vidioc_s_std() change the device-wide dev->width / dev->norm but only refuse the change when the…
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High 7.5
netfilter: nfnetlink_queue: do shared-unconfirmed check before segmentation
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_queue: do shared-unconfirmed check before segmentation Ulrich reports a regression with nfqueue: If an application did not set the 'F_GSO' capability flag and a gso packe…
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Unscored —
USB: serial: mxuport: fix memory corruption with small endpoint
In the Linux kernel, the following vulnerability has been resolved: USB: serial: mxuport: fix memory corruption with small endpoint Make sure that the bulk-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption should a …
References
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2481994
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2486979
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492286
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502325
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502332
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502460
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502462
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502521
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2513277
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2513293
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2516575
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2516974
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2521436
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2532279
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2532309
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2532497
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2535158
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2535338
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2540182
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2540230
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advisory
https://access.redhat.com/errata/RHSA-2026:83207