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ubuntuUbuntuUSN-6922-2
HistoryAug 01, 2024 - 12:00 a.m.

Linux kernel vulnerabilities

2024-08-0100:00:00
ubuntu.com
19
linux kernel
ubuntu 22.04
bluetooth subsystem
ubi
race condition
denial of service

CVSS3

6.8

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

AI Score

6.7

Confidence

High

Releases

  • Ubuntu 22.04 LTS

Packages

  • linux-lowlatency-hwe-6.5 - Linux low latency kernel

Details

It was discovered that a race condition existed in the Bluetooth subsystem
in the Linux kernel when modifying certain settings values through debugfs.
A privileged local attacker could use this to cause a denial of service.
(CVE-2024-24857, CVE-2024-24858, CVE-2024-24859)

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)

CVSS3

6.8

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

AI Score

6.7

Confidence

High