Description
An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Related CPE's
a
redhat
openstack_platform
o
redhat
enterprise_linux
o
redhat
enterprise_linux_for_ibm_z_systems
o
redhat
enterprise_linux_for_power_little_endian
References
https://bugzilla.redhat.com/show_bug.cgi?id=1930087
https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html
https://security.gentoo.org/glsa/202208-27
https://security.netapp.com/advisory/ntap-20220425-0003/
https://www.openwall.com/lists/oss-security/2021/02/25/2
CVSS impact metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
6.5 · Medium
CVSS V3.1
CVSS V3.0
CVSS V2.0
Information
Source identifier
Vulnerability status
Modified
Published
2022-03-16T15:15:09.983
3 years agoLast modified
2023-02-12T22:15:17.573
2 years ago