USN-6817-2: Linux kernel (OEM) vulnerabilities

Published Jun 11, 2024
·
Updated

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. (CVE-2022-38096) Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service (system crash). (CVE-2023-47233) It was discovered that the ATA over Ethernet (AoE) driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2023-6270) It was discovered that the Atheros 802.11ac wireless driver did not properly validate certain data structures, leading to a NULL pointer dereference. An attacker could possibly use this to cause a denial of service. (CVE-2023-7042) Gui-Dong Han discovered that the software RAID driver in the Linux kernel contained a race condition, leading to an integer overflow vulnerability. A privileged attacker could possibly use this to cause a denial of service (system crash). (CVE-2024-23307) Bai Jiaju discovered that the Xceive XC4000 silicon tuner device driver in the Linux kernel contained a race condition, leading to an integer overflow vulnerability. An attacker could possibly use this to cause a denial of service (system crash). (CVE-2024-24861) Chenyuan Yang discovered that the Unsorted Block Images (UBI) flash device volume management subsystem did not properly validate logical eraseblock sizes in certain situations. An attacker could possibly use this to cause a denial of service (system crash). (CVE-2024-25739) It was discovered that the MediaTek SoC Gigabit Ethernet driver in the Linux kernel contained a race condition when stopping the device. A local attacker could possibly use this to cause a denial of service (device unavailability). (CVE-2024-27432) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

Affected Software

7 affected componentsFixes available
Linux Kernel
All of the following
ubuntu/linux-image-6.8.0-1006-oem<6.8.0-1006.6
6.8.0-1006.6
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-oem-24.04<6.8.0-1006.6+1
6.8.0-1006.6+1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/linux-image-oem-24.04a<6.8.0-1006.6+1
6.8.0-1006.6+1
Ubuntu Ubuntu=24.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/linux-image-6.8.0-1006-oem to a version that resolves this vulnerability.

    Fixed in 6.8.0-1006.6
  2. Upgrade

    Upgrade ubuntu/linux-image-oem-24.04 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1006.6+1
  3. Upgrade

    Upgrade ubuntu/linux-image-oem-24.04a to a version that resolves this vulnerability.

    Fixed in 6.8.0-1006.6+1
  4. Upgrade

    Upgrade Linux kernel to a version that resolves this vulnerability.

    Patch USN-6817-2

Event History

Jun 11, 2024
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software

Frequently Asked Questions

1

What is the severity of USN-6817-2?

The USN-6817-2 vulnerability has been identified as having the potential to cause a denial of service due to improper error handling.

2

How do I fix USN-6817-2?

To mitigate the USN-6817-2 vulnerability, upgrade to the recommended version of the Linux image packages 6.8.0-1006.6 or later.

3

Who discovered the USN-6817-2 vulnerability?

The USN-6817-2 vulnerability was discovered by Ziming Zhang and Zheng Wang.

4

What are the affected software versions for USN-6817-2?

The affected software versions for USN-6817-2 include linux-image-6.8.0-1006-oem, linux-image-oem-24.04, and linux-image-oem-24.04a in Ubuntu 24.04.

5

Can a remote attacker exploit USN-6817-2?

No, USN-6817-2 is a local vulnerability that requires an authenticated local attacker to trigger the denial of service.

Contact

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