Red Hat Security AdvisoryRHSA-2026:9836
kernel security update
Released 2026-04-22 · Red Hat rating Moderate · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream E4S (v.9.0) kernel-debug-devel-5.14.0-70.175.1.el9_0, kernel-debug-devel-matched-5.14.0-70.175.1.el9_0, kernel-devel-5.14.0-70.175.1.el9_0 +5
- Red Hat Enterprise Linux BaseOS E4S (v.9.0) bpftool-5.14.0-70.175.1.el9_0, kernel-5.14.0-70.175.1.el9_0, kernel-abi-stablelists-5.14.0-70.175.1.el9_0 +14
Fixes 3 records
Priority LOW 38
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix use-after-free in nf_tables_addchain() nf_tables_addchain() publishes the chain to table->chains via list_add_tail_rcu() (in n…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.01045 · Published 2026-03-04 · Partial fix · 6.1.165, 6.6.128 +4 CWE-416
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlan_forward_source() Add RCU protection on (struct macvlan_source_entry)->vlan.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00206 · Published 2026-01-25 · Partial fix · 5.10.249, 5.15.199 +5 CWE-416
Priority LOW 30
In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_u32: use skb_header_pointer_careful() skb_header_pointer() does not fully validate negative @offset values.
CVSS 3.1HIGH 7.1· Local · Low privileges · No interaction · EPSS 0.00152 · Published 2026-02-14 · Partial fix · 5.10.260, 5.15.209 +5 CWE-125
