{"id":34487,"date":"2022-12-06T20:20:51","date_gmt":"2022-12-06T17:20:51","guid":{"rendered":"https:\/\/packetstormsecurity.com\/files\/170107\/RHSA-2022-8800-01.txt"},"modified":"2022-12-12T11:10:20","modified_gmt":"2022-12-12T07:40:20","slug":"red-hat-security-advisory-2022-8800-01-grub2","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/red-hat-security-advisory-2022-8800-01-grub2\/","title":{"rendered":"Red Hat Security Advisory 2022-8800-01 grub2"},"content":{"rendered":"

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

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

Synopsis: Moderate: grub2 security update
\nAdvisory ID: RHSA-2022:8800-01
\nProduct: Red Hat Enterprise Linux
\nAdvisory URL: https:\/\/access.redhat.com\/errata\/RHSA-2022:8800
\nIssue date: 2022-12-06
\nCVE Names: CVE-2022-2601 CVE-2022-3775
\n====================================================================
\n1. Summary:<\/p>\n

An update for grub2 is now available for Red Hat Enterprise Linux 8.2
\nAdvanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications
\nUpdate Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP
\nSolutions.<\/p>\n

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

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

Red Hat Enterprise Linux BaseOS AUS (v. 8.2) – aarch64, noarch, x86_64
\nRed Hat Enterprise Linux BaseOS E4S (v. 8.2) – aarch64, noarch, ppc64le, x86_64
\nRed Hat Enterprise Linux BaseOS TUS (v. 8.2) – aarch64, noarch, x86_64<\/p>\n

3. Description:<\/p>\n

The grub2 packages provide version 2 of the Grand Unified Boot Loader
\n(GRUB), a highly configurable and customizable boot loader with modular
\narchitecture. The packages support a variety of kernel formats, file
\nsystems, computer architectures, and hardware devices.<\/p>\n

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

* grub2: Buffer overflow in grub_font_construct_glyph() can lead to
\nout-of-bound write and possible secure boot bypass (CVE-2022-2601)<\/p>\n

* grub2: Heap based out-of-bounds write when redering certain unicode
\nsequences (CVE-2022-3775)<\/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

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

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

2112975 – CVE-2022-2601 grub2: Buffer overflow in grub_font_construct_glyph() can lead to out-of-bound write and possible secure boot bypass
\n2138880 – CVE-2022-3775 grub2: Heap based out-of-bounds write when redering certain unicode sequences<\/p>\n

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

Red Hat Enterprise Linux BaseOS AUS (v. 8.2):<\/p>\n

Source:
\ngrub2-2.02-87.el8_2.11.src.rpm<\/p>\n

aarch64:
\ngrub2-debuginfo-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-debugsource-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-efi-aa64-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-efi-aa64-cdboot-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-debuginfo-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-extra-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-extra-debuginfo-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-minimal-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-minimal-debuginfo-2.02-87.el8_2.11.aarch64.rpm<\/p>\n

noarch:
\ngrub2-common-2.02-87.el8_2.11.noarch.rpm
\ngrub2-efi-aa64-modules-2.02-87.el8_2.11.noarch.rpm
\ngrub2-efi-ia32-modules-2.02-87.el8_2.11.noarch.rpm
\ngrub2-efi-x64-modules-2.02-87.el8_2.11.noarch.rpm
\ngrub2-pc-modules-2.02-87.el8_2.11.noarch.rpm
\ngrub2-ppc64le-modules-2.02-87.el8_2.11.noarch.rpm<\/p>\n

x86_64:
\ngrub2-debuginfo-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-debugsource-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-efi-ia32-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-efi-ia32-cdboot-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-efi-x64-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-efi-x64-cdboot-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-pc-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-debuginfo-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-efi-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-efi-debuginfo-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-extra-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-extra-debuginfo-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-minimal-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-minimal-debuginfo-2.02-87.el8_2.11.x86_64.rpm<\/p>\n

Red Hat Enterprise Linux BaseOS E4S (v. 8.2):<\/p>\n

Source:
\ngrub2-2.02-87.el8_2.11.src.rpm<\/p>\n

aarch64:
\ngrub2-debuginfo-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-debugsource-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-efi-aa64-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-efi-aa64-cdboot-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-debuginfo-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-extra-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-extra-debuginfo-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-minimal-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-minimal-debuginfo-2.02-87.el8_2.11.aarch64.rpm<\/p>\n

noarch:
\ngrub2-common-2.02-87.el8_2.11.noarch.rpm
\ngrub2-efi-aa64-modules-2.02-87.el8_2.11.noarch.rpm
\ngrub2-efi-ia32-modules-2.02-87.el8_2.11.noarch.rpm
\ngrub2-efi-x64-modules-2.02-87.el8_2.11.noarch.rpm
\ngrub2-pc-modules-2.02-87.el8_2.11.noarch.rpm
\ngrub2-ppc64le-modules-2.02-87.el8_2.11.noarch.rpm<\/p>\n

ppc64le:
\ngrub2-debuginfo-2.02-87.el8_2.11.ppc64le.rpm
\ngrub2-debugsource-2.02-87.el8_2.11.ppc64le.rpm
\ngrub2-ppc64le-2.02-87.el8_2.11.ppc64le.rpm
\ngrub2-tools-2.02-87.el8_2.11.ppc64le.rpm
\ngrub2-tools-debuginfo-2.02-87.el8_2.11.ppc64le.rpm
\ngrub2-tools-extra-2.02-87.el8_2.11.ppc64le.rpm
\ngrub2-tools-extra-debuginfo-2.02-87.el8_2.11.ppc64le.rpm
\ngrub2-tools-minimal-2.02-87.el8_2.11.ppc64le.rpm
\ngrub2-tools-minimal-debuginfo-2.02-87.el8_2.11.ppc64le.rpm<\/p>\n

x86_64:
\ngrub2-debuginfo-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-debugsource-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-efi-ia32-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-efi-ia32-cdboot-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-efi-x64-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-efi-x64-cdboot-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-pc-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-debuginfo-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-efi-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-efi-debuginfo-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-extra-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-extra-debuginfo-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-minimal-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-minimal-debuginfo-2.02-87.el8_2.11.x86_64.rpm<\/p>\n

Red Hat Enterprise Linux BaseOS TUS (v. 8.2):<\/p>\n

Source:
\ngrub2-2.02-87.el8_2.11.src.rpm<\/p>\n

aarch64:
\ngrub2-debuginfo-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-debugsource-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-efi-aa64-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-efi-aa64-cdboot-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-debuginfo-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-extra-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-extra-debuginfo-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-minimal-2.02-87.el8_2.11.aarch64.rpm
\ngrub2-tools-minimal-debuginfo-2.02-87.el8_2.11.aarch64.rpm<\/p>\n

noarch:
\ngrub2-common-2.02-87.el8_2.11.noarch.rpm
\ngrub2-efi-aa64-modules-2.02-87.el8_2.11.noarch.rpm
\ngrub2-efi-ia32-modules-2.02-87.el8_2.11.noarch.rpm
\ngrub2-efi-x64-modules-2.02-87.el8_2.11.noarch.rpm
\ngrub2-pc-modules-2.02-87.el8_2.11.noarch.rpm
\ngrub2-ppc64le-modules-2.02-87.el8_2.11.noarch.rpm<\/p>\n

x86_64:
\ngrub2-debuginfo-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-debugsource-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-efi-ia32-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-efi-ia32-cdboot-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-efi-x64-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-efi-x64-cdboot-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-pc-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-debuginfo-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-efi-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-efi-debuginfo-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-extra-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-extra-debuginfo-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-minimal-2.02-87.el8_2.11.x86_64.rpm
\ngrub2-tools-minimal-debuginfo-2.02-87.el8_2.11.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-2022-2601
\nhttps:\/\/access.redhat.com\/security\/cve\/CVE-2022-3775
\nhttps:\/\/access.redhat.com\/security\/updates\/classification\/#moderate<\/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.
\n—–BEGIN PGP SIGNATURE—–
\nVersion: GnuPG v1<\/p>\n

iQIVAwUBY48709zjgjWX9erEAQixIA\/\/TpB3wu5k94D1\/1vD5FhhfJ\/M1DRIWo7H
\nkrG+DAzowq9XJlG7XB4hE6zCoVA3QcB5nXrNhG2zvQwscE63qLqOO+tXJYWeKEYz
\nYlS2w1d0XeQaXvGAnlSF7Nn5AOiQakUKqg26ELIMzIwSCwD43ZkpWZApL75fG6+p
\ng7iXECmzd5zgMTXKIsIAUpseQrvSeOIMugWRCamEBHdTuJUBNG4bhP9K3n54GcX\/
\ndpBkymPkCZRf7By0TruytLZosAz3EsPXvPoBqv5OZEudGSahaHJencmFIg1jua48
\nt7vu3+YIPBUX3Zc4opRelYSZ4k7RgX0msoMd13MCS10U3vWQ\/B1l0goA0nevkNrs
\ncKeUUUm0J3koTzeBEYCnUtv+syUlmnOIYr\/1WZnyOA+nTToaukv1L7br\/U4qtpQc
\npUgFre8th+XgIgVd4kQSVEeNWDLK7obtoyiMCM42SycSvNFlRHodrC4TRw90XRu0
\no\/g3rZptC6wOrL9qxOY0Ffd96DAnLhhYZTVek9MG1hH48luZheCiR93wfEfA3wX8
\nzxR+Sr0K0FAlL1RhcoxS1CbA+Z6\/4xAzihawzI6871KFI9obb8CtFvsUxBdLEQgu
\nCAArmrNnjQ+NoALIRO7pxSMch0mSUvI9X9VpPKYB6uJdpDduZkBmxT9MrzPQzfmT
\no7l\/PnGNEoM=HOFq
\n—–END PGP SIGNATURE—–
\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: Moderate: grub2 security update Advisory ID: RHSA-2022:8800-01 Product: Red Hat Enterprise Linux Advisory URL: https:\/\/access.redhat.com\/errata\/RHSA-2022:8800 Issue date: 2022-12-06 CVE Names: CVE-2022-2601 CVE-2022-3775 ==================================================================== 1. Summary: An update for grub2 is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat …<\/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-34487","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/34487","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=34487"}],"version-history":[{"count":1,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/34487\/revisions"}],"predecessor-version":[{"id":34754,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/34487\/revisions\/34754"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=34487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=34487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=34487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}