{"id":24384,"date":"2022-05-12T23:50:00","date_gmt":"2022-05-12T19:50:00","guid":{"rendered":"https:\/\/packetstormsecurity.com\/files\/167137\/RHSA-2022-2186-01.txt"},"modified":"2022-05-14T10:29:00","modified_gmt":"2022-05-14T05:59:00","slug":"red-hat-security-advisory-2022-2186-01","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/red-hat-security-advisory-2022-2186-01\/","title":{"rendered":"Red Hat Security Advisory 2022-2186-01"},"content":{"rendered":"

—–BEGIN PGP SIGNED MESSAGE—–
\nHash: SHA256<\/p>\n

====================================================================
\nRed Hat Security Advisory<\/p>\n

Synopsis: Important: kernel security and bug fix update
\nAdvisory ID: RHSA-2022:2186-01
\nProduct: Red Hat Enterprise Linux
\nAdvisory URL: https:\/\/access.redhat.com\/errata\/RHSA-2022:2186
\nIssue date: 2022-05-11
\nCVE Names: CVE-2021-4028 CVE-2022-0492
\n====================================================================
\n1. Summary:<\/p>\n

An update for kernel is now available for Red Hat Enterprise Linux 7.6
\nAdvanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update
\nSupport, and Red Hat Enterprise Linux 7.6 Update Services for SAP
\nSolutions.<\/p>\n

Red Hat Product Security has rated this update as having a security impact
\nof Important. A Common Vulnerability Scoring System (CVSS) base score,
\nwhich gives a detailed severity rating, is available for each vulnerability
\nfrom the CVE link(s) in the References section.<\/p>\n

2. Relevant releases\/architectures:<\/p>\n

Red Hat Enterprise Linux Server AUS (v. 7.6) – noarch, x86_64
\nRed Hat Enterprise Linux Server E4S (v. 7.6) – noarch, ppc64le, x86_64
\nRed Hat Enterprise Linux Server Optional AUS (v. 7.6) – x86_64
\nRed Hat Enterprise Linux Server Optional E4S (v. 7.6) – ppc64le, x86_64
\nRed Hat Enterprise Linux Server Optional TUS (v. 7.6) – x86_64
\nRed Hat Enterprise Linux Server TUS (v. 7.6) – noarch, x86_64<\/p>\n

3. Description:<\/p>\n

The kernel packages contain the Linux kernel, the core of any Linux
\noperating system.<\/p>\n

Security Fix(es):<\/p>\n

* kernel: use-after-free in RDMA listen() (CVE-2021-4028)<\/p>\n

* kernel: cgroups v1 release_agent feature may allow privilege escalation
\n(CVE-2022-0492)<\/p>\n

For more details about the security issue(s), including the impact, a CVSS
\nscore, acknowledgments, and other related information, refer to the CVE
\npage(s) listed in the References section.<\/p>\n

Bug Fix(es):<\/p>\n

* Extend \/sys\/devices\/system\/cpu\/smt\/* interface to all architectures
\n[7.6.z] (BZ#2060991)<\/p>\n

4. Solution:<\/p>\n

For details on how to apply this update, which includes the changes
\ndescribed in this advisory, refer to:<\/p>\n

https:\/\/access.redhat.com\/articles\/11258<\/p>\n

The system must be rebooted for this update to take effect.<\/p>\n

5. Bugs fixed (https:\/\/bugzilla.redhat.com\/):<\/p>\n

2027201 – CVE-2021-4028 kernel: use-after-free in RDMA listen()
\n2051505 – CVE-2022-0492 kernel: cgroups v1 release_agent feature may allow privilege escalation<\/p>\n

6. Package List:<\/p>\n

Red Hat Enterprise Linux Server AUS (v. 7.6):<\/p>\n

Source:
\nkernel-3.10.0-957.94.1.el7.src.rpm<\/p>\n

noarch:
\nkernel-abi-whitelists-3.10.0-957.94.1.el7.noarch.rpm
\nkernel-doc-3.10.0-957.94.1.el7.noarch.rpm<\/p>\n

x86_64:
\nbpftool-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debug-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debug-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debug-devel-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debuginfo-common-x86_64-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-devel-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-headers-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-libs-3.10.0-957.94.1.el7.x86_64.rpm
\nperf-3.10.0-957.94.1.el7.x86_64.rpm
\nperf-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\npython-perf-3.10.0-957.94.1.el7.x86_64.rpm
\npython-perf-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm<\/p>\n

Red Hat Enterprise Linux Server E4S (v. 7.6):<\/p>\n

Source:
\nkernel-3.10.0-957.94.1.el7.src.rpm<\/p>\n

noarch:
\nkernel-abi-whitelists-3.10.0-957.94.1.el7.noarch.rpm
\nkernel-doc-3.10.0-957.94.1.el7.noarch.rpm<\/p>\n

ppc64le:
\nkernel-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-bootwrapper-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-debug-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-debug-debuginfo-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-debuginfo-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-debuginfo-common-ppc64le-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-devel-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-headers-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-tools-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-tools-debuginfo-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-tools-libs-3.10.0-957.94.1.el7.ppc64le.rpm
\nperf-3.10.0-957.94.1.el7.ppc64le.rpm
\nperf-debuginfo-3.10.0-957.94.1.el7.ppc64le.rpm
\npython-perf-3.10.0-957.94.1.el7.ppc64le.rpm
\npython-perf-debuginfo-3.10.0-957.94.1.el7.ppc64le.rpm<\/p>\n

x86_64:
\nkernel-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debug-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debug-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debug-devel-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debuginfo-common-x86_64-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-devel-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-headers-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-libs-3.10.0-957.94.1.el7.x86_64.rpm
\nperf-3.10.0-957.94.1.el7.x86_64.rpm
\nperf-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\npython-perf-3.10.0-957.94.1.el7.x86_64.rpm
\npython-perf-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm<\/p>\n

Red Hat Enterprise Linux Server TUS (v. 7.6):<\/p>\n

Source:
\nkernel-3.10.0-957.94.1.el7.src.rpm<\/p>\n

noarch:
\nkernel-abi-whitelists-3.10.0-957.94.1.el7.noarch.rpm
\nkernel-doc-3.10.0-957.94.1.el7.noarch.rpm<\/p>\n

x86_64:
\nbpftool-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debug-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debug-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debug-devel-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debuginfo-common-x86_64-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-devel-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-headers-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-libs-3.10.0-957.94.1.el7.x86_64.rpm
\nperf-3.10.0-957.94.1.el7.x86_64.rpm
\nperf-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\npython-perf-3.10.0-957.94.1.el7.x86_64.rpm
\npython-perf-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm<\/p>\n

Red Hat Enterprise Linux Server Optional AUS (v. 7.6):<\/p>\n

x86_64:
\nkernel-debug-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debuginfo-common-x86_64-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-libs-devel-3.10.0-957.94.1.el7.x86_64.rpm
\nperf-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\npython-perf-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm<\/p>\n

Red Hat Enterprise Linux Server Optional E4S (v. 7.6):<\/p>\n

ppc64le:
\nkernel-debug-debuginfo-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-debug-devel-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-debuginfo-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-debuginfo-common-ppc64le-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-tools-debuginfo-3.10.0-957.94.1.el7.ppc64le.rpm
\nkernel-tools-libs-devel-3.10.0-957.94.1.el7.ppc64le.rpm
\nperf-debuginfo-3.10.0-957.94.1.el7.ppc64le.rpm
\npython-perf-debuginfo-3.10.0-957.94.1.el7.ppc64le.rpm<\/p>\n

x86_64:
\nkernel-debug-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debuginfo-common-x86_64-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-libs-devel-3.10.0-957.94.1.el7.x86_64.rpm
\nperf-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\npython-perf-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm<\/p>\n

Red Hat Enterprise Linux Server Optional TUS (v. 7.6):<\/p>\n

x86_64:
\nkernel-debug-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-debuginfo-common-x86_64-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\nkernel-tools-libs-devel-3.10.0-957.94.1.el7.x86_64.rpm
\nperf-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm
\npython-perf-debuginfo-3.10.0-957.94.1.el7.x86_64.rpm<\/p>\n

These packages are GPG signed by Red Hat for security. Our key and
\ndetails on how to verify the signature are available from
\nhttps:\/\/access.redhat.com\/security\/team\/key\/<\/p>\n

7. References:<\/p>\n

https:\/\/access.redhat.com\/security\/cve\/CVE-2021-4028
\nhttps:\/\/access.redhat.com\/security\/cve\/CVE-2022-0492
\nhttps:\/\/access.redhat.com\/security\/updates\/classification\/#important<\/p>\n

8. Contact:<\/p>\n

The Red Hat security contact is <secalert@redhat.com>. More contact
\ndetails at https:\/\/access.redhat.com\/security\/team\/contact\/<\/p>\n

Copyright 2022 Red Hat, Inc.
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\n—
\nRHSA-announce mailing list
\nRHSA-announce@redhat.com
\nhttps:\/\/listman.redhat.com\/mailman\/listinfo\/rhsa-announce<\/p>\n","protected":false},"excerpt":{"rendered":"

—–BEGIN PGP SIGNED MESSAGE—– Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2022:2186-01 Product: Red Hat Enterprise Linux Advisory URL: https:\/\/access.redhat.com\/errata\/RHSA-2022:2186 Issue date: 2022-05-11 CVE Names: CVE-2021-4028 CVE-2022-0492 ==================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.6 Advanced Update …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-24384","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/24384","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=24384"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/24384\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=24384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=24384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=24384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}