跳转到帖子

Ubuntu: USN-6954-1 (CVE-2023-6693): QEMU vulnerabilities

recommended_posts

发布于
  • Members

Ubuntu: USN-6954-1 (CVE-2023-6693): QEMU vulnerabilities

Severity
4
CVSS
(AV:L/AC:L/Au:S/C:P/I:P/A:P)
Published
01/02/2024
Created
08/14/2024
Added
08/14/2024
Modified
01/28/2025

Description

A stack based buffer overflow was found in the virtio-net device of QEMU. This issue occurs when flushing TX in the virtio_net_flush_tx function if guest features VIRTIO_NET_F_HASH_REPORT, VIRTIO_F_VERSION_1 and VIRTIO_NET_F_MRG_RXBUF are enabled. This could allow a malicious user to overwrite local variables allocated on the stack. Specifically, the `out_sg` variable could be used to read a part of process memory and send it to the wire, causing an information leak.

Solution(s)

  • ubuntu-upgrade-qemu-system
  • ubuntu-upgrade-qemu-system-arm
  • ubuntu-upgrade-qemu-system-mips
  • ubuntu-upgrade-qemu-system-misc
  • ubuntu-upgrade-qemu-system-ppc
  • ubuntu-upgrade-qemu-system-s390x
  • ubuntu-upgrade-qemu-system-sparc
  • ubuntu-upgrade-qemu-system-x86-xen

References

  • https://attackerkb.com/topics/cve-2023-6693
  • CVE - 2023-6693
  • USN-6954-1
  • 查看数 699
  • 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。
注意:你的帖子需要版主批准后才能看到。

游客
回帖…