Red Hat Security Advisory

RHSA-2026:6571

kernel security update

Released 2026-04-06 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.117.1.el8_10, kernel-4.18.0-553.117.1.el8_10, kernel-abi-stablelists-4.18.0-553.117.1.el8_10 +19
Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.117.1.el8_10

Fixes 4 records

TI-2026-18630 CVE-2026-23193 · GHSA-fccp-g2rw-8q2g

scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count()

MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count() In iscsit_dec_session_usage_count(), the function calls complete() while hol…

CVSS 3.1HIGH 8.8 Network Low privileges No interaction EPSS 0.00363 Published 2026-02-14 Partial fix · 5.10.250, 5.15.200 +5 CWE-416

TI-2026-18668 CVE-2026-23231 · GHSA-gxm6-px42-mpjc

netfilter: nf_tables: fix use-after-free in nf_tables_addchain()

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

TI-2025-43369 CVE-2025-71238 · GHSA-7hgf-78m2-x598

scsi: qla2xxx: Fix bsg_done() causing double free

LOW 35

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix bsg_done() causing double free Kernel panic observed on system, [5353358.825191] BUG: unable to handle page fault for address: ff5f5e…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00216 Published 2026-03-04 Partial fix · 5.10.251, 5.15.201 +6 CWE-415

TI-2024-17849 CVE-2024-26984 · GHSA-w8h9-x2qc-v5qf

nouveau: fix instmem race condition around ptr stores

LOW 24

In the Linux kernel, the following vulnerability has been resolved: nouveau: fix instmem race condition around ptr stores Running a lot of VK CTS in parallel against nouveau, once every few hours you might see something…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00202 Published 2024-05-01 Partial fix · 4.19.313, 5.4.275 +6 CWE-362