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ubuntuUbuntuUSN-6921-1
HistoryJul 29, 2024 - 12:00 a.m.

Linux kernel vulnerabilities

2024-07-2900:00:00
ubuntu.com
27
linux kernel
ubuntu 24.04
wesee
hypervisor
amd
sev-snp
cve-2024-25742
security flaws
dma engine
hid
i2c
phy
tty
ipv4
networking
cve-2024-35990
cve-2024-35997
cve-2024-35992
cve-2024-35984
cve-2024-36008
cve-2024-36016

CVSS3

7.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.9

Confidence

Low

Releases

  • Ubuntu 24.04 LTS

Packages

  • linux - Linux kernel
  • linux-aws - Linux kernel for Amazon Web Services (AWS) systems
  • linux-gcp - Linux kernel for Google Cloud Platform (GCP) systems
  • linux-gke - Linux kernel for Google Container Engine (GKE) systems
  • linux-ibm - Linux kernel for IBM cloud systems
  • linux-nvidia - Linux kernel for NVIDIA systems
  • linux-oem-6.8 - Linux kernel for OEM systems
  • linux-raspi - Linux kernel for Raspberry Pi systems

Details

Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde
discovered that an untrusted hypervisor could inject malicious #VC
interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw
is known as WeSee. A local attacker in control of the hypervisor could use
this to expose sensitive information or possibly execute arbitrary code in
the trusted execution environment. (CVE-2024-25742)

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:

  • DMA engine subsystem;
  • HID subsystem;
  • I2C subsystem;
  • PHY drivers;
  • TTY drivers;
  • IPv4 networking;
    (CVE-2024-35990, CVE-2024-35997, CVE-2024-35992, CVE-2024-35984,
    CVE-2024-36008, CVE-2024-36016)

CVSS3

7.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.9

Confidence

Low