==========================================================================
Ubuntu Security Notice USN-6954-1
August 13, 2024<\/p>\n
qemu vulnerabilities
==========================================================================<\/p>\n
A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n
– Ubuntu 22.04 LTS<\/p>\n
Summary:<\/p>\n
Several security issues were fixed in QEMU.<\/p>\n
Software Description:
– qemu: Machine emulator and virtualizer<\/p>\n
Details:<\/p>\n
Markus Frank and Fiona Ebner discovered that QEMU did not properly
handle certain memory operations, leading to a NULL pointer dereference.
An authenticated user could potentially use this issue to cause a denial
of service. (CVE-2023-6683)<\/p>\n
Xiao Lei discovered that QEMU did not properly handle certain memory
operations when specific features were enabled, which could lead to a
stack overflow. An attacker could potentially use this issue to leak
sensitive information. (CVE-2023-6693)<\/p>\n
It was discovered that QEMU had an integer underflow vulnerability in
the TI command, which would result in a buffer overflow. An attacker
could potentially use this issue to cause a denial of service.
(CVE-2024-24474)<\/p>\n
Update instructions:<\/p>\n
The problem can be corrected by updating your system to the following
package versions:<\/p>\n
Ubuntu 22.04 LTS
qemu-system 1:6.2+dfsg-2ubuntu6.22
qemu-system-arm 1:6.2+dfsg-2ubuntu6.22
qemu-system-mips 1:6.2+dfsg-2ubuntu6.22
qemu-system-misc 1:6.2+dfsg-2ubuntu6.22
qemu-system-ppc 1:6.2+dfsg-2ubuntu6.22
qemu-system-s390x 1:6.2+dfsg-2ubuntu6.22
qemu-system-sparc 1:6.2+dfsg-2ubuntu6.22
qemu-system-x86-xen 1:6.2+dfsg-2ubuntu6.22<\/p>\n
After a standard system update you need to restart all QEMU virtual
machines to make all the necessary changes.<\/p>\n
References:
https:\/\/ubuntu.com\/security\/notices\/USN-6954-1
CVE-2023-6683, CVE-2023-6693, CVE-2024-24474<\/p>\n
Package Information:
https:\/\/launchpad.net\/ubuntu\/+source\/qemu\/1:6.2+dfsg-2ubuntu6.22<\/p>\n","protected":false},"excerpt":{"rendered":"
==========================================================================Ubuntu Security Notice USN-6954-1August 13, 2024 qemu vulnerabilities========================================================================== A security issue affects these releases of Ubuntu and its derivatives: – Ubuntu 22.04 LTS Summary: Several security issues were fixed in QEMU. Software Description:– qemu: Machine emulator and virtualizer Details: Markus Frank and Fiona Ebner discovered that QEMU did not properlyhandle certain memory operations, leading to …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-58838","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/58838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=58838"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/58838\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=58838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=58838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=58838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}