VulnerabilityModified
CVE-2021-20255
A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU.
MEDIUM 5.5EPSS 0.41%
Does this matter?
Lower severity and a low EPSS score (0.41%). Track it; it rarely justifies an emergency change on its own.
Description
A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.41% probability · 35th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-835, CWE-674
- Affected
- qemu/qemu · debian/debian linux
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1930646Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.htmlMailing List, Third Party Advisory
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210507-0003/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/02/25/1Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1930646Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.htmlMailing List, Third Party Advisory
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210507-0003/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/02/25/1Mailing List, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.