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Red Hat Security Advisory

RHSA-2026:83159

kernel-rt security, bug fix, and enhancement update

Released 2026-10-14 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 9 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 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 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 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: net/sched: cls_route: fix fastmap use-after-free on filter The route4 classifier maintains a 16-slot fastmap cache that stores raw struct route4_filter…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00117 Published 2026-08-21 Partial fix · 5.10.265, 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: 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 33

In the Linux kernel, the following vulnerability has been resolved: md/raid5-ppl: fix use-after-free in ppl_do_flush() The loop in ppl_do_flush() continues iterating after calling ppl_io_unit_finished(), touching io->pen…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00153 Published 2026-09-24 Partial fix · 5.10.270, 5.15.221 +6