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ALSA-2021:4191 — Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update

Affected: AlmaLinux:8: hivex, AlmaLinux:8: hivex-devel, AlmaLinux:8: libguestfs, AlmaLinux:8: libguestfs-bash-completion, AlmaLinux:8: libguestfs-benchmarking, AlmaLinux:8: libguestfs-devel, AlmaLinux:8: libguestfs-gfs2, AlmaLinux:8: libguestfs-gobject, AlmaLinux:8: libguestfs-gobject-devel, AlmaLinux:8: libguestfs-inspect-icons and 83 more

Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems.

Security Fix(es):

* QEMU: net: e1000e: use-after-free while sending packets (CVE-2020-15859)

* QEMU: slirp: invalid pointer initialization may lead to information disclosure (bootp) (CVE-2021-3592)

* QEMU: slirp: invalid pointer initialization may lead to information disclosure (udp6) (CVE-2021-3593)

* QEMU: slirp: invalid pointer initialization may lead to information disclosure (udp) (CVE-2021-3594)

* QEMU: slirp: invalid pointer initialization may lead to information disclosure (tftp) (CVE-2021-3595)

* libvirt: Insecure sVirt label generation (CVE-2021-3631)

* libvirt: Improper locking on ACL failure in virStoragePoolLookupByTargetPath API (CVE-2021-3667)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

bdu:2024-01495

Withdrawn: BELL-CVE-2021-3592 — CVE-2021-3592 does not affect BellSoft software

Withdrawn by the publisher.

certfr-2024-avi-0997 — De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Certaines d'entre elles permettent à un a…

certfr-2024-avi-0997

cnvd-2021-45152

EUVD-2026-20907

fkie_cve-2021-3592

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.

GHSA-xrpp-vwp4-q9hp

gsd-2021-3592

OESA-2021-1411 — qemu security update

Affected: openEuler:20.03-LTS-SP1: qemu, openEuler:20.03-LTS-SP2: qemu

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fix(es): An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp6_input() function and could occur while processing a udp packet that is smaller than the size of the 'udphdr' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality.(CVE-2021-3593) 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.(CVE-2021-3592) An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the tftp_input() function and could occur while processing a udp packet that is smaller than the size of the 'tftp_t' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality.(CVE-2021-3595)

openSUSE-SU-2021:2474-1 — Security update for qemu

Security update for qemu

RHSA-2021:4191 — Red Hat Security Advisory: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update

QEMU: net: e1000e: use-after-free while sending packets QEMU: slirp: invalid pointer initialization may lead to information disclosure (bootp) QEMU: slirp: invalid pointer initialization may lead to information disclosure (udp6) QEMU: slirp: invalid pointer initialization may lead to information disclosure (udp) QEMU: slirp: invalid pointer initialization may lead to information disclosure (tftp) libvirt: Insecure sVirt label generation libvirt: Improper locking on ACL failure in virStoragePoolLookupByTargetPath API

SUSE-SU-2021:14772-1 — Security update for kvm

Security update for kvm

UBUNTU-CVE-2021-3592

Affected: Ubuntu:Pro:14.04:LTS: qemu, Ubuntu:Pro:16.04:LTS: qemu, Ubuntu:18.04:LTS: qemu, Ubuntu:20.04:LTS: libslirp, Ubuntu:22.04:LTS: libslirp

WID-SEC-W-2022-1219 — QEMU: Mehrere Schwachstellen ermöglichen Offenlegung von Informationen

Ein lokaler Angreifer kann mehrere Schwachstellen in QEMU ausnutzen, um Informationen offenzulegen.