A kernel security and bug fix update has been released for AlmaLinux.
ALSA-2021:3447 Important: kernel security and bug fix update
Type:
security
Severity:
important
Release date:
2021-09-08
Description
Security Fix(es):
* kernel: powerpc: KVM guest OS users can cause host OS memory corruption (CVE-2021-37576)
* kernel: slab-out-of-bounds access in xdr_set_page_base() in net/sunrpc/xdr.c (CVE-2021-38201)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* Update Broadcom Emulex lpfc driver for RHEL8.5 with bug fixes (BZ#1948608)
* cyclictest shows >50us latency when guest enters idle (RT guest with 18 RT vCPUs) (BZ#1981336)
* xfrm: backports from upstream (BZ#1981840)
* A task is stuck waiting for the completion of the vmci_resouce releasing upon the balloon reset. (BZ#1982042)
* mlx5 backport driver bits of net: zero-initialize tc skb extension on allocation (BZ#1982220)
* Kernel cannot kill a process doing compaction for hugepage allocation (BZ#1984085)
* RHEL8.4 Nightly0108 - P10 Regression Kdump failed on RHEL8.4 on SAN disk via flavafish adapter (qla2xxx/HPT/Radix) (BZ#1986156)
* RHEL8.5 scheduler updates and fixes (BZ#1987296)
* RHEL 8.3 using FCOE via a FastLinQ QL45000 card will not manually scan in LUN from Target_id's over 8 (BZ#1989097)
* fixes for oopses in security mitigation runtime code patching (BZ#1989174)
* act mirred doesn't scrub packets when sending them to ingress (BZ#1992226)
* HPE: Cannot install 8.4 using the DVD presented to the iLO (BZ#1993894)
* NFS client hangs on share listing when server side readdir verifiers are implemented (BZ#1993895)
* SNO: The load is extremely high (~870) when pao is added and a profile is applied. (BZ#1994879)
* timeout value of conntrack entry with TCP ESTABLISHED status is too short (BZ#1995554)
* Increase the default value for flowtable offload timeouts (BZ#1995555)
* ice/iavf driver stop responding (BZ#1997534)
* FJ8.4 Bug: REG Some files in /proc/sys/user show wrong data (BZ#1998002)
References:
CVE-2021-37576
CVE-2021-38201
Updates packages:
kernel-tools-libs-devel-4.18.0-305.17.1.el8_4.x86_64.rpm
Notes:
This page is generated automatically and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.
ALSA-2021:3447 Important: kernel security and bug fix update
