What is RHSA-2023:4151?

RHSA-2023:4151 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: kernel security and bug fix update

Which CVE IDs does RHSA-2023:4151 cover?

RHSA-2023:4151 covers the following CVE IDs: CVE-2022-3564, CVE-2022-49910. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2023:4151?

RHSA-2023:4151 has a CVSS v3 base score of 7.1, published by Red Hat Product Security.

Which products are affected by RHSA-2023:4151?

RHSA-2023:4151 affects 162 products, including: Red Hat Enterprise Linux Client (v. 7); Red Hat Enterprise Linux Client Optional (v. 7); Red Hat Enterprise Linux ComputeNode Optional (v. 7); Red Hat Enterprise Linux Server (v. 7); Red Hat Enterprise Linux Server Optional (v. 7); and others — see the full list on the advisory page.

RHSA-2023:4151HighCVSS 7.1

Red Hat Security Advisory: kernel security and bug fix update

Vendor

Red Hat Product Security

Published

July 18, 2023

Last Modified

November 6, 2026

🔗 CVE IDs covered (2)

CVE-2022-3564 →CVE-2022-49910 →

📋 Description

CVE-2022-3564 — kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c CVE-2022-49910 — kernel: Bluetooth: L2CAP: Fix use-after-free caused by l2cap_reassemble_sdu

🎯 Affected products162

Red Hat Enterprise Linux Client (v. 7)
Red Hat Enterprise Linux Client Optional (v. 7)
Red Hat Enterprise Linux ComputeNode Optional (v. 7)
Red Hat Enterprise Linux Server (v. 7)
Red Hat Enterprise Linux Server Optional (v. 7)
Red Hat Enterprise Linux Workstation (v. 7)
Red Hat Enterprise Linux Workstation Optional (v. 7)
bpftool-0:3.10.0-1160.95.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
bpftool-0:3.10.0-1160.95.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
bpftool-0:3.10.0-1160.95.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
bpftool-0:3.10.0-1160.95.1.el7.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
bpftool-0:3.10.0-1160.95.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
bpftool-0:3.10.0-1160.95.1.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
bpftool-debuginfo-0:3.10.0-1160.95.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
bpftool-debuginfo-0:3.10.0-1160.95.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
bpftool-debuginfo-0:3.10.0-1160.95.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
bpftool-debuginfo-0:3.10.0-1160.95.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)
bpftool-debuginfo-0:3.10.0-1160.95.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
bpftool-debuginfo-0:3.10.0-1160.95.1.el7.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
bpftool-debuginfo-0:3.10.0-1160.95.1.el7.x86_64 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
bpftool-debuginfo-0:3.10.0-1160.95.1.el7.x86_64 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)
bpftool-debuginfo-0:3.10.0-1160.95.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
bpftool-debuginfo-0:3.10.0-1160.95.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
bpftool-debuginfo-0:3.10.0-1160.95.1.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
bpftool-debuginfo-0:3.10.0-1160.95.1.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)
kernel-0:3.10.0-1160.95.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
kernel-0:3.10.0-1160.95.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
kernel-0:3.10.0-1160.95.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
kernel-0:3.10.0-1160.95.1.el7.src as a component of Red Hat Enterprise Linux Client (v. 7)
kernel-0:3.10.0-1160.95.1.el7.src as a component of Red Hat Enterprise Linux Server (v. 7)
+132 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 these vulnerabilities on the operating system level, disable the Bluetooth functionality via blocklisting kernel modules in the Linux kernel. The kernel modules can be prevented from being loaded by using system-wide modprobe rules. Instructions on how to disable Bluetooth modules are available on the Customer Portal at https://access.redhat.com/solutions/2682931. Alternatively, Bluetooth can be disabled within the hardware or at BIOS level which will also provide an effective mitigation as the kernel will not be able to detect that Bluetooth hardware is present on the system. Workaround: The only way to mitigate these vulnerabilities on the operating system level is to disable the Bluetooth functionality via blacklisting kernel modules in the Linux kernel. The kernel modules can be prevented from being loaded by using system-wide modprobe rules. How to disable Bluetooth modules instructions are available on the Customer Portal at https://access.redhat.com/solutions/2682931. Alternatively, Bluetooth can be disabled within the hardware or at BIOS level, which will also provide an effective mitigation as the kernel will not be able to detect that Bluetooth hardware is present on the system.

🔗 CVE IDs covered (2)

📋 Description

🎯 Affected products162

✅ Remediation

🔗 References (4)