Summary
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* 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: wifi: mac80211: bounds-check link_id in ieee80211_ml_epcs (CVE-2026-64030)
* kernel: wifi: cfg80211: use wiphy work for socket owner autodisconnect (CVE-2026-68404)
* 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: wifi: mac80211: defer link RX stats percpu free to RCU (CVE-2026-68409)
* kernel: KVM: arm64: vgic: Handle race between interrupt affinity change and LPI disabling (CVE-2026-72288)
* kernel: ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get (CVE-2026-72262)
* kernel: netfilter: nft_lookup: fix catchall element handling with inverted lookups (CVE-2026-72320)
* kernel: ALSA: usx2y: bound the hwdep mmap fault offset (CVE-2026-74641)
* kernel: udp: fix potential use-after-free in tunnel segmentation (CVE-2026-74705)
* 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: net/iucv: filter frames in afiucv_hs_rcv() by ingress device (CVE-2026-81003)
* kernel: NFSD: Prevent client use-after-free during blocked-lock reaping (CVE-2026-90036)
* 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)
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 · 9 | kernel | 0:5.14.0-687.58.1.el9_8 |
Vulnerabilities 18
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Critical 10.0
udp: fix potential use-after-free in tunnel segmentation
In the Linux kernel, the following vulnerability has been resolved: udp: fix potential use-after-free in tunnel segmentation __skb_udp_tunnel_segment() gets the UDP header before ensuring the tunnel header is in the skb head. If the pull reallocates skb->head…
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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: 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 9.3
KVM: arm64: vgic: Handle race between interrupt affinity change and LPI disabling
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic: Handle race between interrupt affinity change and LPI disabling Hyunwoo Kim reports some really bad races should the following situation occur: - LPI-I is pending in vcpu-B'…
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Critical 9.1
netfilter: nft_lookup: fix catchall element handling with inverted lookups
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_lookup: fix catchall element handling with inverted lookups nft_lookup_eval() decides whether a lookup matched (`found`) from the direct set lookup and priv->invert before fall…
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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
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 8.8
wifi: mac80211: defer link RX stats percpu free to RCU
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: defer link RX stats percpu free to RCU sta_remove_link() frees a removed MLO link's RX stats percpu buffer right away, but defers only the link container to RCU: sta_info_free…
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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 8.1
net/iucv: filter frames in afiucv_hs_rcv() by ingress device
In the Linux kernel, the following vulnerability has been resolved: net/iucv: filter frames in afiucv_hs_rcv() by ingress device afiucv_hs_rcv() selects a socket from iucv_sk_list by matching four 8-byte name fields in the transport header alone. No check is …
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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
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
wifi: cfg80211: use wiphy work for socket owner autodisconnect
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: use wiphy work for socket owner autodisconnect nl80211_netlink_notify() walks the cfg80211 wireless device list when a NETLINK_GENERIC socket is released. If the socket owns a…
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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
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…
References
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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=2502460
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2513234
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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=2513299
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2516526
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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=2516606
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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=2521498
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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=2532515
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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=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-2026:83156