Home

CVE-2019-20812

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.

Risk Information

Base Score
5.5
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.069

Associated Vulnerability

VulnerabilityOS Platform
SUSE-SU-2020:1587-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-4.12.14-16.16.1.x86_64.rpmLinux
SUSE-SU-2020:1587-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-base-4.12.14-16.16.1.x86_64.rpmLinux
SUSE-SU-2020:1587-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-base-debuginfo-4.12.14-16.16.1.x86_64.rpmLinux
SUSE-SU-2020:1587-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-debuginfo-4.12.14-16.16.1.x86_64.rpmLinux
SUSE-SU-2020:1587-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-debugsource-4.12.14-16.16.1.x86_64.rpmLinux
SUSE-SU-2020:1587-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-devel-4.12.14-16.16.1.x86_64.rpmLinux
SUSE-SU-2020:1587-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-devel-azure-4.12.14-16.16.1.noarch.rpmLinux
SUSE-SU-2020:1587-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-source-azure-4.12.14-16.16.1.noarch.rpmLinux
SUSE-SU-2020:1587-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-syms-azure-4.12.14-16.16.1.x86_64.rpmLinux
SUSE-SU-2020:1603-1(SUSE Linux Enterprise Server 12-SP4 ) kernel-azure-4.12.14-6.43.1.x86_64.rpmLinux
SUSE-SU-2020:1603-1(SUSE Linux Enterprise Server 12-SP4 ) kernel-azure-base-4.12.14-6.43.1.x86_64.rpmLinux
SUSE-SU-2020:1603-1(SUSE Linux Enterprise Server 12-SP4 ) kernel-azure-base-debuginfo-4.12.14-6.43.1.x86_64.rpmLinux
SUSE-SU-2020:1603-1(SUSE Linux Enterprise Server 12-SP4 ) kernel-azure-debuginfo-4.12.14-6.43.1.x86_64.rpmLinux
SUSE-SU-2020:1603-1(SUSE Linux Enterprise Server 12-SP4 ) kernel-azure-debugsource-4.12.14-6.43.1.x86_64.rpmLinux
SUSE-SU-2020:1603-1(SUSE Linux Enterprise Server 12-SP4 ) kernel-azure-devel-4.12.14-6.43.1.x86_64.rpmLinux
SUSE-SU-2020:1603-1(SUSE Linux Enterprise Server 12-SP4 ) kernel-devel-azure-4.12.14-6.43.1.noarch.rpmLinux
SUSE-SU-2020:1603-1(SUSE Linux Enterprise Server 12-SP4 ) kernel-source-azure-4.12.14-6.43.1.noarch.rpmLinux
SUSE-SU-2020:1603-1(SUSE Linux Enterprise Server 12-SP4 ) kernel-syms-azure-4.12.14-6.43.1.x86_64.rpmLinux
Dtrace-modules-3.8.13-118.49.1.el6uek update (ELSA-2020-5841) dtrace-modules-3.8.13-118.49.1.el6uek-0.4.5-3.el6.x86_64.rpmLinux
Dtrace-modules-3.8.13-118.49.1.el7uek update (ELSA-2020-5841) dtrace-modules-3.8.13-118.49.1.el7uek-0.4.5-3.el7.x86_64.rpmLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234