Red Hat Security AdvisoryRHSA-2021:3446
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. 8.2) kernel-tools-libs-devel-4.18.0-193.65.2.el8_2
- Red Hat Enterprise Linux BaseOS EUS (v. 8.2) bpftool-4.18.0-193.65.2.el8_2, kernel-4.18.0-193.65.2.el8_2, kernel-abi-whitelists-4.18.0-193.65.2.el8_2 +19
Fixes 3 records
Priority 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
Priority 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
Priority LOW 34
In __hidinput_change_resolution_multipliers of hid-input.c, there is a possible out of bounds write due to a heap buffer overflow.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00282 · Published 2021-06-21 · Partial fix CWE-787