Red Hat Security AdvisoryRHSA-2026:83156
kernel security update
Released 2026-10-14 · Red Hat rating Important · View on Red Hat →
Fixes 18 records
Priority MEDIUM 50
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…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00682 · Published 2026-09-11 · Partial fix · 6.1.191, 6.6.160 +4
Priority MEDIUM 49
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…
CVSS 3.1CRITICAL 10.0· Network · No auth · No interaction · EPSS 0.005 · Published 2026-08-22 · Fixed in 5.10.265, 5.15.216 +6
Priority MEDIUM 48
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…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00569 · Published 2026-08-15 · Partial fix · 6.1.191, 6.6.160 +4
Priority MEDIUM 43
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_lr…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00484 · Published 2026-09-16 · Partial fix · 6.6.160, 6.12.111 +3
Priority MEDIUM 42
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…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00467 · Published 2026-09-24 · Partial fix · 6.6.157, 6.12.109 +3
Priority MEDIUM 41
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 situati…
CVSS 3.1CRITICAL 9.3· Local · No auth · No interaction · EPSS 0.00185 · Published 2026-08-15 · Partial fix · 6.1.191, 6.6.160 +4
Priority MEDIUM 40
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.
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00501 · Published 2026-09-24 · Partial fix · 6.1.191, 6.6.160 +4
Priority MEDIUM 40
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 t…
CVSS 3.1HIGH 8.8· Adjacent network · No auth · No interaction · EPSS 0.00306 · Published 2026-08-10 · Partial fix · 6.1.191, 6.6.160 +4 CWE-416
Priority MEDIUM 40
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…
CVSS 3.1HIGH 8.8· Adjacent network · No auth · No interaction · EPSS 0.00275 · Published 2026-08-10 · Partial fix · 5.10.265, 5.15.216 +6 CWE-416
Priority MEDIUM 40
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 e…
CVSS 3.1HIGH 8.8· Adjacent network · No auth · No interaction · EPSS 0.0024 · Published 2026-07-19 · Partial fix · 6.18.34, 7.0.11 +1 CWE-125
Priority LOW 36
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 messa…
CVSS 3.1HIGH 8.2· Network · No auth · No interaction · EPSS 0.00526 · Published 2026-09-11 · Fixed in 6.18.50, 7.2.4 +1
Priority LOW 35
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 t…
CVSS 3.1HIGH 8.1· Adjacent network · No auth · No interaction · EPSS 0.00309 · Published 2026-09-11 · Partial fix · 5.10.270, 5.15.221 +6
Priority LOW 35
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:…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00129 · Published 2026-08-22 · Partial fix · 5.10.266, 5.15.216 +6
Priority LOW 35
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…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00182 · Published 2026-08-15 · Partial fix · 6.1.184, 6.6.145 +4
Priority LOW 35
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 s…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00169 · Published 2026-08-10 · Partial fix · 6.1.191, 6.6.160 +4 CWE-662
Priority LOW 35
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().
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00128 · Published 2026-08-10 · Partial fix · 4.20, 4.21 +8 CWE-416
Priority LOW 35
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_sche…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.0013 · Published 2026-06-24 · Partial fix · 5.10.258, 5.15.209 +6 CWE-416
Priority LOW 35
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() in…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00105 · Published 2026-06-09 · Partial fix · 5.10.258, 5.15.209 +6 CWE-362