Red Hat Security Advisory

RHSA-2021:0686

kernel security and bug fix update

Released 2021-03-03 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat CodeReady Linux Builder EUS (v. 8.1)
Red Hat Enterprise Linux BaseOS EUS (v. 8.1) kernel-4.18.0-147.43.1.el8_1, kernel-core-4.18.0-147.43.1.el8_1, kernel-debug-4.18.0-147.43.1.el8_1 +12

TI-2020-15721 CVE-2020-25705 · GHSA-33cf-w34p-g6pj

MEDIUM 42

A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports.

CVSS 3.1HIGH 7.4 Network No auth No interaction EPSS 0.06692 Published 2020-11-17 Partial fix CWE-330

TI-2020-17819 CVE-2020-29661 · GHSA-p865-45gc-8x47

LOW 36

A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0112 Published 2020-12-09 Fixed CWE-416

TI-2020-11222 CVE-2020-14351 · GHSA-969c-xcr8-6f87

LOW 34

A flaw was found in the Linux kernel.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00306 Published 2020-12-03 Partial fix CWE-416

TI-2020-00433 CVE-2020-0444 · GHSA-5cx5-fcx6-4j7m

LOW 33

In audit_free_lsm_field of auditfilter.c, there is a possible bad kfree due to a logic error in audit_data_to_entry.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00219 Published 2020-12-14 Partial fix CWE-763