Red Hat Security Advisory

RHSA-2021:3444

kernel security and bug fix update

Released 2021-09-07 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat CodeReady Linux Builder EUS (v. 8.1) kernel-tools-libs-devel-4.18.0-147.54.2.el8_1
Red Hat Enterprise Linux BaseOS EUS (v. 8.1) bpftool-4.18.0-147.54.2.el8_1, kernel-4.18.0-147.54.2.el8_1, kernel-abi-whitelists-4.18.0-147.54.2.el8_1 +19

Fixes 3 records

TI-2021-15463 CVE-2021-37576 · GHSA-w5r9-h86g-qp9x

arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform…

LOW 35

arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00575 Published 2021-07-26 Partial fix CWE-787

TI-2021-02649 CVE-2021-3715 · GHSA-gcff-f9p7-hmfg

Use after free in kernel

LOW 34

A flaw was found in the "Routing decision" classifier in the Linux kernel's Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00353 Published 2022-03-02 Partial fix CWE-416

TI-2021-02555 CVE-2021-3609 · GHSA-rv9w-mxpp-hwhj

Race condition in kernel

LOW 31

.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges.

CVSS 3.1HIGH 7.0 Local Low privileges No interaction EPSS 0.00431 Published 2022-03-03 Partial fix CWE-362