What is RHSA-2026:5732?

RHSA-2026:5732 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: kernel-rt security update

Which CVE IDs does RHSA-2026:5732 cover?

RHSA-2026:5732 covers the following CVE IDs: CVE-2022-49985, CVE-2025-40240, CVE-2025-71085. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:5732?

RHSA-2026:5732 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

Which products are affected by RHSA-2026:5732?

RHSA-2026:5732 affects 32 products, including: Red Hat Enterprise Linux NFV E4S (v.9.0); Red Hat Enterprise Linux Real Time E4S (v.9.0); kernel-rt-0:5.14.0-70.171.1.rt21.243.el9_0.src as a component of Red Hat Enterprise Linux NFV E4S (v.9.0); kernel-rt-0:5.14.0-70.171.1.rt21.243.el9_0.src as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0); kernel-rt-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0); and others — see the full list on the advisory page.

RHSA-2026:5732MediumCVSS 7.5

Red Hat Security Advisory: kernel-rt security update

Vendor

Red Hat Product Security

Published

March 25, 2026

Last Modified

November 9, 2026

🔗 CVE IDs covered (3)

CVE-2022-49985 →CVE-2025-40240 →CVE-2025-71085 →

📋 Description

CVE-2022-49985 — kernel: bpf: Don't use tnum_range on array range checking for poke descriptors CVE-2025-40240 — kernel: sctp: avoid NULL dereference when chunk data buffer is missing CVE-2025-71085 — kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()

🎯 Affected products32

Red Hat Enterprise Linux NFV E4S (v.9.0)
Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-0:5.14.0-70.171.1.rt21.243.el9_0.src as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-0:5.14.0-70.171.1.rt21.243.el9_0.src as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-core-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-core-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-core-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-core-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-debuginfo-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-debuginfo-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-devel-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-devel-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-kvm-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-modules-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-modules-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debug-modules-extra-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debug-modules-extra-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debuginfo-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debuginfo-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-debuginfo-common-x86_64-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-debuginfo-common-x86_64-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-devel-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-devel-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
kernel-rt-kvm-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-modules-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux NFV E4S (v.9.0)
kernel-rt-modules-0:5.14.0-70.171.1.rt21.243.el9_0.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.0)
+2 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. Workaround: To mitigate this issue, prevent module sctp from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 CVE IDs covered (3)

📋 Description

🎯 Affected products32

✅ Remediation

🔗 References (6)