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Red Hat Security Advisory

RHSA-2026:63014

kernel security, bug fix, and enhancement update

Released 2026-09-03 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 14 records

Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: bound Read Response placement to the RREAD length In drivers/infiniband/sw/siw/siw_qp_rx.c, siw_proc_rresp() places each inbound Read Response…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00714 Published 2026-07-25 Partial fix · 5.10.261, 5.15.212 +6 CWE-787
Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: pNFS: Fix use-after-free in pnfs_update_layout() When hitting the NFS_LAYOUT_RETURN branch in pnfs_update_layout(), the code calls pnfs_prepare_to_retry…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00644 Published 2026-07-19 Partial fix · 5.10.260, 5.5 +7 CWE-416
Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: nfsd: release layout stid on setlease failure nfs4_alloc_stid() publishes the new stid into cl->cl_stateids via idr_alloc_cyclic() under cl_lock before…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00663 Published 2026-07-19 Partial fix · 5.10.261, 5.15.212 +6 CWE-416
TI-2026-52364 CVE-2026-74581 · GHSA-7ph7-58w3-w755

net: ipv6: clear suppressed fib6 rule result

Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: clear suppressed fib6 rule result fib6_rule_suppress() drops a suppressed route with ip6_rt_put_flags(), but leaves res->rt6 pointing at the…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00421 Published 2026-08-21 Partial fix · 5.10.265, 5.15.216 +7
Priority MEDIUM 41

In the Linux kernel, the following vulnerability has been resolved: net: mana: validate rx_req_idx to prevent out-of-bounds array access In mana_hwc_rx_event_handler(), rx_req_idx is derived from sge->address in DMA-cohe…

CVSS 3.1CRITICAL 9.3 Local No auth No interaction EPSS 0.00142 Published 2026-07-19 Partial fix · 5.15.209, 6.1.175 +5 CWE-125
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix posix_acl leak on SETACL decode failure nfsaclsvc_decode_setaclargs() and nfs3svc_decode_setaclargs() each call nfs_stream_decode_acl() twice,…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00529 Published 2026-07-19 Partial fix · 5.10.260, 5.15.211 +6 CWE-401
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count ff_layout_alloc_lseg() decodes the filehandle-version array count from the flexfiles layout body.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00529 Published 2026-07-19 Partial fix · 5.10.261, 5.15.212 +6 CWE-20
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr nfs4_decode_mp_ds_addr() decodes the r_netid and r_addr opaques of a netaddr4 from a GET…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00517 Published 2026-07-19 Partial fix · 5.15.211, 6.1.177 +5 CWE-476
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: zram: fix use-after-free in zram_bvec_write_partial() zram_read_page() picks the sync or async backing device read path based on whether the parent bio…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00107 Published 2026-06-25 Partial fix · 6.6.143, 6.12.94 +3 CWE-364
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: fix UAF in rlb_arp_recv during bond up/down The ALB RX path may access rx_hashtbl concurrently with bond teardown.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00126 Published 2026-05-27 Partial fix · 5.10.252, 5.15.202 +6 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: s390/cpum_sf: Handle CPU hotplug remove during sampling CPU hotplug remove handling triggers the following function call sequence: CPUHP_AP_PERF_S390_SF…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00209 Published 2025-01-11 Partial fix · 5.4.287, 5.10.231 +5 CWE-416
TI-2025-43282 CVE-2025-71132 · GHSA-52xq-4j7g-g3fj

smc91x: fix broken irq-context in PREEMPT_RT

Priority LOW 32

In the Linux kernel, the following vulnerability has been resolved: smc91x: fix broken irq-context in PREEMPT_RT When smc91x.c is built with PREEMPT_RT, the following splat occurs in FVP_RevC: [ 13.055000] smc91x LNRO000…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00219 Published 2026-01-14 Partial fix · 5.15.198, 6.1.160 +4 CWE-667
Priority LOW 30

In the Linux kernel, the following vulnerability has been resolved: NFSv4: include MAY_WRITE in open permission mask for O_TRUNC POSIX requires write permission to truncate a file, so an open() that specifies O_TRUNC mus…

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00147 Published 2026-07-25 Partial fix · 5.10.261, 5.15.212 +6 CWE-862
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Make Safe-RET robust against interrupt injection An attacker injecting interrupts while the Safe-RET mitigation executes on machines affected…

CVSS — EPSS 0.00234 Published 2026-08-06 Partial fix · 5.10.264, 5.15.215 +7