Bug 5793 - [Anolis OS 8] Bugfix for CVE-2021-3592
Summary: [Anolis OS 8] Bugfix for CVE-2021-3592
Status: NEW
Alias: None
Product: Anolis OS 8
Classification: Anolis OS
Component: BaseOS Packages (show other bugs) BaseOS Packages
Version: 8.6
Hardware: All Linux
: P4-Low S4-trivial
Target Milestone: ---
Assignee: Jacob
QA Contact: shuming
URL:
Whiteboard:
Keywords: CVE
Depends on:
Blocks:
 
Reported: 2023-07-08 19:11 UTC by 小龙
Modified: 2023-07-08 19:11 UTC (History)
0 users

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Description 小龙 admin 2023-07-08 19:11:39 UTC 
Description:
An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootp_input() function and could occur while processing a udp packet that is smaller than the size of the 'bootp_t' structure. A malicious guest could use this flaw to leak 10 bytes of uninitialized heap memory from the host. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.

Broken commit info:

Bugfix commit info:
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/93e645e7
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/2eca0838eee1da96204545e22cdaed860d9d7c6c%20(v4.6.0)
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/f13cad45
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/c9f314f6e315a5518432761fea864196a290f799%20(regression%20fix)
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/2eca0838
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/f13cad45b25d92760bb0ad67bec0300a4d7d5275%20(v4.6.0)
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/93e645e72a056ec0b2c16e0299fc5c6b94e4ca17%20(v4.6.0)