Red Hat Security AdvisoryRHSA-2020:0775
qemu-kvm security update
Released 2020-03-10 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux Desktop (v. 6) qemu-guest-agent-2:0.12.1.2-2.506.el6_10.6, qemu-img-2:0.12.1.2-2.506.el6_10.6, qemu-kvm-2:0.12.1.2-2.506.el6_10.6 +1
- Red Hat Enterprise Linux HPC Node (v. 6) qemu-guest-agent-2:0.12.1.2-2.506.el6_10.6, qemu-img-2:0.12.1.2-2.506.el6_10.6, qemu-kvm-2:0.12.1.2-2.506.el6_10.6 +1
- Red Hat Enterprise Linux Server (v. 6) qemu-guest-agent-2:0.12.1.2-2.506.el6_10.6, qemu-img-2:0.12.1.2-2.506.el6_10.6, qemu-kvm-2:0.12.1.2-2.506.el6_10.6 +1
- Red Hat Enterprise Linux Workstation (v. 6) qemu-guest-agent-2:0.12.1.2-2.506.el6_10.6, qemu-img-2:0.12.1.2-2.506.el6_10.6, qemu-kvm-2:0.12.1.2-2.506.el6_10.6 +1
Fixes 3 records
Priority MEDIUM 55
ip_reass in ip_input.c in libslirp 4.0.0 has a heap-based buffer overflow via a large packet because it mishandles a case involving the first fragment.
CVSS 3.0HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.16658 · Published 2019-07-29 · Partial fix CWE-755
Priority MEDIUM 40
libslirp 4.0.0, as used in QEMU 4.1.0, has a use-after-free in ip_reass in ip_input.c.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.03994 · Published 2019-09-06 · Partial fix CWE-416
Priority LOW 31
tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC.
CVSS 3.1MEDIUM 5.6· Network · No auth · No interaction · EPSS 0.03566 · Published 2020-01-16 · Partial fix CWE-787