Red Hat Security Advisory: qemu-kvm-rhev bug fix update
An update for qemu-kvm-rhev is now available for Red Hat Virtualization for Red Hat Virtualization Host 7. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
beschreibt (3)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2020-8608US | medium5.6 | — | ||
In libslirp 4.1.0, as used in QEMU 4.2.0, tcp_subr.c misuses snprintf return values, leading to a buffer overflow in later code. | ||||
| CVE-2020-7039US | medium5.6 | — | ||
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. This can cause a heap-based buffer overflow or ot… | ||||
| CVE-2019-14378US | high8.8 | Exploit | ||
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. | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://access.redhat.com/errata/RHSA-2020:2342self
- https://access.redhat.com/security/updates/classification/#importantexternal
- 1734745external
- 1791551external
- 1798453external
- 1804577external
- Canonical URLself
Behebungen (36)
- Behobenqemu-img-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-img-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-img-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-common-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-common-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-common-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-rhev-10:2.12.0-18.el7_6.11.src as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-rhev-10:2.12.0-18.el7_6.11.src as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-rhev-10:2.12.0-18.el7_6.11.src as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-rhev-debuginfo-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-rhev-debuginfo-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-rhev-debuginfo-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-tools-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-tools-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Behobenqemu-kvm-tools-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2020:2342 - Workaroundqemu-img-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
There is no external mitigation to prevent this out-of-bounds heap memory access.
- Workaroundqemu-img-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
This issue can only be resolved by applying updates. Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundqemu-img-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
This issue can only be resolved by applying updates. Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundqemu-kvm-common-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
There is no external mitigation to prevent this out-of-bounds heap memory access.
- Workaroundqemu-kvm-common-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
This issue can only be resolved by applying updates. Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundqemu-kvm-common-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
This issue can only be resolved by applying updates. Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundqemu-kvm-rhev-10:2.12.0-18.el7_6.11.src as a component of RHV-M 4.2
There is no external mitigation to prevent this out-of-bounds heap memory access.
- Workaroundqemu-kvm-rhev-10:2.12.0-18.el7_6.11.src as a component of RHV-M 4.2
This issue can only be resolved by applying updates. Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundqemu-kvm-rhev-10:2.12.0-18.el7_6.11.src as a component of RHV-M 4.2
This issue can only be resolved by applying updates. Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundqemu-kvm-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
There is no external mitigation to prevent this out-of-bounds heap memory access.
- Workaroundqemu-kvm-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
This issue can only be resolved by applying updates. Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundqemu-kvm-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
This issue can only be resolved by applying updates. Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundqemu-kvm-rhev-debuginfo-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
There is no external mitigation to prevent this out-of-bounds heap memory access.
- Workaroundqemu-kvm-rhev-debuginfo-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
This issue can only be resolved by applying updates. Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundqemu-kvm-rhev-debuginfo-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
This issue can only be resolved by applying updates. Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundqemu-kvm-tools-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
There is no external mitigation to prevent this out-of-bounds heap memory access.
- Workaroundqemu-kvm-tools-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
This issue can only be resolved by applying updates. Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundqemu-kvm-tools-rhev-10:2.12.0-18.el7_6.11.x86_64 as a component of RHV-M 4.2
This issue can only be resolved by applying updates. Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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