-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2022:1106-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:1106 Issue date: 2022-03-29 CVE Names: CVE-2021-0920 CVE-2022-0330 ==================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.3 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Server AUS (v. 7.3) - noarch, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.3) - x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Use After Free in unix_gc() which could result in a local privilege escalation (CVE-2021-0920) * kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330) 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. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 2031930 - CVE-2021-0920 kernel: Use After Free in unix_gc() which could result in a local privilege escalation 2042404 - CVE-2022-0330 kernel: possible privileges escalation due to missing TLB flush 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.3): Source: kernel-3.10.0-514.99.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-514.99.1.el7.noarch.rpm kernel-doc-3.10.0-514.99.1.el7.noarch.rpm x86_64: kernel-3.10.0-514.99.1.el7.x86_64.rpm kernel-debug-3.10.0-514.99.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-514.99.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-514.99.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-514.99.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-514.99.1.el7.x86_64.rpm kernel-devel-3.10.0-514.99.1.el7.x86_64.rpm kernel-headers-3.10.0-514.99.1.el7.x86_64.rpm kernel-tools-3.10.0-514.99.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-514.99.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-514.99.1.el7.x86_64.rpm perf-3.10.0-514.99.1.el7.x86_64.rpm perf-debuginfo-3.10.0-514.99.1.el7.x86_64.rpm python-perf-3.10.0-514.99.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-514.99.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.3): x86_64: kernel-debug-debuginfo-3.10.0-514.99.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-514.99.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-514.99.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-514.99.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-514.99.1.el7.x86_64.rpm perf-debuginfo-3.10.0-514.99.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-514.99.1.el7.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2021-0920 https://access.redhat.com/security/cve/CVE-2022-0330 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYkMmF9zjgjWX9erEAQjkNw/9GHkkcvrgA6oUuKnnIw3J7Qnff0rtyp73 POdhbqSprYnC8qB0tfIFucfm7jojZpvUvsykHadwzD+PK24X0mhcMnUpBdWSYaDE L1swxdZSifYlnN1CCmK8pu/25Rf/FzIMp54XXN26NRo0CDYEBCmA7BefpNuZ3SUn PIkyk9R1WWPWSZUVkRQ3KgCLu7uEYObrtW0aAF7SbRgHKuf5d2h+CeNpuzw8a3G/ lpzF3slHf80qy9fB9qigIa4d9xzjmg990bnGFomhLJgKBiAOCfO1haTbQH0mEuMS imq37xm1xzWIMSB9FrwxAWmOgw2kauDzdEK65bXGyI2jwm8iHyDmN4Vse/PVPEkx 9cgkv2jpORh5em2RzKTew5OkUH/IJW5XRvzMIahRZBS/Wenxb5pd8IPKQWOOZmpz gWIx/CnF+c765XwIcp2H6Qw52DsIM8CXDyaN8SHeumXypR50ko69M3OH+SISavdy u7FlzpxfYLRbBgAmhebzhSSryIa4NG3x7moG+x806eVx9UtvBJkgJKpsgnss1wjG /8n5kwY/4UYaOq4aW+ART0EPfEkRQqwFUFGAoQHi/WYrtOp+cgJnjT1EMCUSOKog Mcrk7ODWwL4Ra49y81J8gz9urywtcWbNgeF23EbIQ+2dNr71kBr+YR1twVI22JIh ByKVXBIUews=YbWc -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce