CVE-2019-20812
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2019-20812
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20812.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2019-20812
- Related
- Published
- 2020-06-03T03:15:10Z
- Modified
- 2024-09-18T01:00:21Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An issue was discovered in the Linux kernel before 5.4.7. The prbcalcretireblktmo() function in net/packet/afpacket.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKETV3, aka CID-b43d1f9f7067.
- References
-
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.7
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b43d1f9f7067c6759b1051e8ecb84e82cef569fe
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://security-tracker.debian.org/tracker/CVE-2019-20812
Affected packages
Debian:11 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:12 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:13 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source