ALSA-2021:3447

    Dashboard / Vulnerabilities / ALSA-2021:3447

    ALSA-2021:3447

    Published: 7 Sept 2021Last Modified: 4 Feb 2026

    Summary: Important: kernel security and bug fix update

    Details: The kernel packages contain the Linux kernel, the core of any Linux operating system. 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 AlmaLinux8.5 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) * AlmaLinux8.4 Nightly[0108] - [P10] [Regression] Kdump failed on AlmaLinux8.4 on SAN disk via flavafish adapter (qla2xxx/HPT/Radix) (BZ#1986156) * [AlmaLinux8.5] scheduler updates and fixes (BZ#1987296) * AlmaLinux 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)

    Affected packages

    Package

    Name: kernel-tools-libs-devel

    Purl: pkg:rpm/almalinux/kernel-tools-libs-devel

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.18.0-305.17.1.el8_4

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    ALSA-2021:3447 | CVE-DB