跳转到帖子

Ubuntu: (Multiple Advisories) (CVE-2024-46794): Linux kernel vulnerabilities

recommended_posts

发布于
  • Members

Ubuntu: (Multiple Advisories) (CVE-2024-46794): Linux kernel vulnerabilities

Severity
2
CVSS
(AV:L/AC:L/Au:S/C:P/I:N/A:N)
Published
09/18/2024
Created
12/14/2024
Added
12/13/2024
Modified
01/30/2025

Description

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Fix data leak in mmio_read() The mmio_read() function makes a TDVMCALL to retrieve MMIO data for an address from the VMM. Sean noticed that mmio_read() unintentionally exposes the value of an initialized variable (val) on the stack to the VMM. This variable is only needed as an output value. It did not need to be passed to the VMM in the first place. Do not send the original value of *val to the VMM. [ dhansen: clarify what 'val' is used for. ]

Solution(s)

  • ubuntu-upgrade-linux-image-6-8-0-1002-gkeop
  • ubuntu-upgrade-linux-image-6-8-0-1015-gke
  • ubuntu-upgrade-linux-image-6-8-0-1016-raspi
  • ubuntu-upgrade-linux-image-6-8-0-1017-ibm
  • ubuntu-upgrade-linux-image-6-8-0-1017-oracle
  • ubuntu-upgrade-linux-image-6-8-0-1017-oracle-64k
  • ubuntu-upgrade-linux-image-6-8-0-1018-oem
  • ubuntu-upgrade-linux-image-6-8-0-1019-gcp
  • ubuntu-upgrade-linux-image-6-8-0-1019-nvidia
  • ubuntu-upgrade-linux-image-6-8-0-1019-nvidia-64k
  • ubuntu-upgrade-linux-image-6-8-0-1019-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-6-8-0-1019-nvidia-lowlatency-64k
  • ubuntu-upgrade-linux-image-6-8-0-1020-aws
  • ubuntu-upgrade-linux-image-6-8-0-1020-azure
  • ubuntu-upgrade-linux-image-6-8-0-1020-azure-fde
  • ubuntu-upgrade-linux-image-6-8-0-50-generic
  • ubuntu-upgrade-linux-image-6-8-0-50-generic-64k
  • ubuntu-upgrade-linux-image-6-8-0-50-lowlatency
  • ubuntu-upgrade-linux-image-6-8-0-50-lowlatency-64k
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-fde
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-64k
  • ubuntu-upgrade-linux-image-generic-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-generic-64k-hwe-24-04
  • ubuntu-upgrade-linux-image-generic-hwe-22-04
  • ubuntu-upgrade-linux-image-generic-hwe-24-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-gkeop
  • ubuntu-upgrade-linux-image-gkeop-6-8
  • ubuntu-upgrade-linux-image-ibm
  • ubuntu-upgrade-linux-image-ibm-classic
  • ubuntu-upgrade-linux-image-ibm-lts-24-04
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-64k
  • ubuntu-upgrade-linux-image-lowlatency-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-lowlatency-64k-hwe-24-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-22-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-24-04
  • ubuntu-upgrade-linux-image-nvidia
  • ubuntu-upgrade-linux-image-nvidia-6-8
  • ubuntu-upgrade-linux-image-nvidia-64k
  • ubuntu-upgrade-linux-image-nvidia-64k-6-8
  • ubuntu-upgrade-linux-image-nvidia-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-nvidia-hwe-22-04
  • ubuntu-upgrade-linux-image-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-nvidia-lowlatency-64k
  • ubuntu-upgrade-linux-image-oem-22-04
  • ubuntu-upgrade-linux-image-oem-22-04a
  • ubuntu-upgrade-linux-image-oem-22-04b
  • ubuntu-upgrade-linux-image-oem-22-04c
  • ubuntu-upgrade-linux-image-oem-22-04d
  • ubuntu-upgrade-linux-image-oem-24-04
  • ubuntu-upgrade-linux-image-oem-24-04a
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-64k
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-22-04
  • ubuntu-upgrade-linux-image-virtual-hwe-24-04

References

  • https://attackerkb.com/topics/cve-2024-46794
  • CVE - 2024-46794
  • USN-7154-1
  • USN-7154-2
  • USN-7155-1
  • USN-7156-1
  • USN-7196-1
  • 查看数 694
  • 已创建
  • 最后回复

参与讨论

你可立刻发布并稍后注册。 如果你有帐户,立刻登录发布帖子。

游客
回帖…