Red Hat Security AdvisoryRHSA-2026:34095
kernel security, bug fix, and enhancement update
Released 2026-07-01 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream E4S (v.9.2) kernel-64k-debug-devel-5.14.0-284.178.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.178.1.el9_2, kernel-64k-devel-5.14.0-284.178.1.el9_2 +10
- Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool-7.0.0-284.178.1.el9_2, kernel-5.14.0-284.178.1.el9_2, kernel-64k-5.14.0-284.178.1.el9_2 +29
Fixes 9 records
Priority MEDIUM 50
In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows ipv6_rpl_srh_rcv() decompresses an RFC 6554 Source Routing Header, swaps the next segmen…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00732 · Published 2026-05-21 · Partial fix · 5.10.258, 5.15.209 +6 CWE-787
Priority MEDIUM 50
In the Linux kernel, the following vulnerability has been resolved: dlm: validate length in dlm_search_rsb_tree The len parameter in dlm_dump_rsb_name() is not validated and comes from network messages.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00538 · Published 2026-05-06 · Partial fix · 5.15.224, 6.1.191 +5 CWE-787
Priority MEDIUM 49
In the Linux kernel, the following vulnerability has been resolved: mptcp: fix slab-use-after-free in __inet_lookup_established The ehash table lookups are lockless and rely on SLAB_TYPESAFE_BY_RCU to guarantee socket me…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00471 · Published 2026-04-24 · Partial fix · 5.15.203, 6.1.169 +5 CWE-416
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() Sashiko points out the radix_tree itself is RCU safe, but nothing ever frees the mlx4_srq struct with…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00144 · Published 2026-05-28 · Partial fix · 6.1.191, 6.6.160 +4 CWE-366
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: exit: prevent preemption of oopsing TASK_DEAD task When an already-exiting task oopses, make_task_dead() currently calls do_task_dead() with preemption…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00132 · Published 2026-05-28 · Partial fix · 6.1.175, 6.6.140 +4 CWE-416
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: ALSA: aloop: Fix peer runtime UAF during format-change stop loopback_check_format() may stop the capture side when playback starts with parameters that…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00104 · Published 2026-05-27 · Partial fix · 5.10.259, 5.15.210 +6 CWE-416
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: * ethernet mangl…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00178 · Published 2026-05-08 · Partial fix · 5.15.203, 6.1.168 +5 CWE-122
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Add sanity check for OOB writes at silencing At silencing the playback URB packets in the implicit fb mode before the actual playback,…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00123 · Published 2026-05-06 · Partial fix · 5.15.202, 6.1.165 +5 CWE-787
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Fix double dma_buf_unpin in failure path In ib_umem_dmabuf_get_pinned_with_dma_device(), the call to ib_umem_dmabuf_map_pages() can fail.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00139 · Published 2026-05-06 · Partial fix · 6.1.165, 6.6.128 +4 CWE-415