CVE - CVE-2019-20812

CVE-ID
CVE-2019-20812	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
An issue was discovered in the Linux kernel before 5.4.7. The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.7 URL:https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.7 MISC:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b43d1f9f7067c6759b1051e8ecb84e82cef569fe URL:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b43d1f9f7067c6759b1051e8ecb84e82cef569fe MISC:https://www.oracle.com/security-alerts/cpuApr2021.html URL:https://www.oracle.com/security-alerts/cpuApr2021.html SUSE:openSUSE-SU-2020:0801 URL:http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html SUSE:openSUSE-SU-2020:0935 URL:http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html
Assigning CNA
MITRE Corporation
Date Record Created
20200603	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20200603)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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