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CVE-2022-45886: November 2022 Linux Kernel 6.0.9 Vulnerabilities in NetApp Products

An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_net.c has a .disconnect versus dvb_device_open race condition that leads to a use-after-free.

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Advisory ID: NTAP-20230113-0006 Version: 2.0 Last updated: 02/16/2023 Status: Interim. CVEs: CVE-2022-45884, CVE-2022-45885, CVE-2022-45886, CVE-2022-45887, CVE-2022-45888

This document is provided solely for informational purposes. All information is based upon NetApp’s current knowledge and understanding of the hardware and software products tested by NetApp, and the methodology and assumptions used by NetApp. NetApp is not responsible for any errors or omissions that may be contained herein, and no warranty, representation, or other legal commitment or obligation is being provided by NetApp. © 2022 NetApp, Inc. All rights reserved. No portions of this document may be reproduced without prior written consent of NetApp, Inc.

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Red Hat Security Advisory 2023-7549-01 - An update for kernel is now available for Red Hat Enterprise Linux 8. Issues addressed include a use-after-free vulnerability.

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Red Hat Security Advisory 2023-7548-01

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Red Hat Security Advisory 2023-7539-01

Red Hat Security Advisory 2023-7539-01 - An update for kernel is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Issues addressed include a use-after-free vulnerability.

Red Hat Security Advisory 2023-7539-01

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Ubuntu Security Notice USN-6466-1

Ubuntu Security Notice 6466-1 - Hyunwoo Kim discovered that the DVB Core driver in the Linux kernel contained a race condition during device removal, leading to a use-after- free vulnerability. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. Hyunwoo Kim discovered that the Technotrend/Hauppauge USB DEC driver in the Linux kernel did not properly handle device removal events. A physically proximate attacker could use this to cause a denial of service.

Ubuntu Security Notice USN-6466-1

Ubuntu Security Notice 6466-1 - Hyunwoo Kim discovered that the DVB Core driver in the Linux kernel contained a race condition during device removal, leading to a use-after- free vulnerability. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. Hyunwoo Kim discovered that the Technotrend/Hauppauge USB DEC driver in the Linux kernel did not properly handle device removal events. A physically proximate attacker could use this to cause a denial of service.

Ubuntu Security Notice USN-6412-1

Ubuntu Security Notice 6412-1 - Hyunwoo Kim discovered that the DVB Core driver in the Linux kernel contained a race condition during device removal, leading to a use-after- free vulnerability. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. Hyunwoo Kim discovered that the Technotrend/Hauppauge USB DEC driver in the Linux kernel did not properly handle device removal events. A physically proximate attacker could use this to cause a denial of service.

Ubuntu Security Notice USN-6412-1

Ubuntu Security Notice 6412-1 - Hyunwoo Kim discovered that the DVB Core driver in the Linux kernel contained a race condition during device removal, leading to a use-after- free vulnerability. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. Hyunwoo Kim discovered that the Technotrend/Hauppauge USB DEC driver in the Linux kernel did not properly handle device removal events. A physically proximate attacker could use this to cause a denial of service.

CVE-2022-45887: [PATCH 4/4] media: ttusb-dec: Fix memory leak in ttusb_dec_exit_dvb()

An issue was discovered in the Linux kernel through 6.0.9. drivers/media/usb/ttusb-dec/ttusb_dec.c has a memory leak because of the lack of a dvb_frontend_detach call.

CVE-2022-45886: [PATCH 2/4] media: dvb-core: Fix use-after-free due to race condition occurring in dvb_net

An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_net.c has a .disconnect versus dvb_device_open race condition that leads to a use-after-free.

CVE-2022-45885: [PATCH 1/4] media: dvb-core: Fix use-after-free due to race condition occurring in dvb_frontend

An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_frontend.c has a race condition that can cause a use-after-free when a device is disconnected.

CVE-2022-45884: [PATCH 3/4] media: dvb-core: Fix use-after-free due to race condition occurring in dvb_register_device()

An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvbdev.c has a use-after-free, related to dvb_register_device dynamically allocating fops.

CVE-2022-45888: [PATCH] char: xillybus: Fix use-after-free in xillyusb_open()

An issue was discovered in the Linux kernel through 6.0.9. drivers/char/xillybus/xillyusb.c has a race condition and use-after-free during physical removal of a USB device.

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