Vulnerability from csaf_suse
Published
2022-11-25 08:40
Modified
2022-11-25 08:40
Summary
Security update for grub2
Notes
Title of the patch
Security update for grub2
Description of the patch
This update for grub2 fixes the following issues:
- CVE-2022-2601: Fixed buffer overflow in grub_font_construct_glyph (bsc#1205178).
- CVE-2022-3775: Fixed integer underflow in blit_comb() (bsc#1205182).
Other:
- Bump upstream SBAT generation to 3
Patchnames
SUSE-2022-4219,SUSE-SLE-Module-Basesystem-15-SP3-2022-4219,SUSE-SLE-Module-SUSE-Manager-Proxy-4.2-2022-4219,SUSE-SLE-Module-Server-Applications-15-SP3-2022-4219,SUSE-SUSE-MicroOS-5.2-2022-4219,openSUSE-Leap-Micro-5.2-2022-4219,openSUSE-SLE-15.3-2022-4219
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
{ document: { aggregate_severity: { namespace: "https://www.suse.com/support/security/rating/", text: "important", }, category: "csaf_security_advisory", csaf_version: "2.0", distribution: { text: "Copyright 2024 SUSE LLC. All rights reserved.", tlp: { label: "WHITE", url: "https://www.first.org/tlp/", }, }, lang: "en", notes: [ { category: "summary", text: "Security update for grub2", title: "Title of the patch", }, { category: "description", text: "This update for grub2 fixes the following issues:\n\n- CVE-2022-2601: Fixed buffer overflow in grub_font_construct_glyph (bsc#1205178).\n- CVE-2022-3775: Fixed integer underflow in blit_comb() (bsc#1205182).\n \nOther:\n\n- Bump upstream SBAT generation to 3\n", title: "Description of the patch", }, { category: "details", text: "SUSE-2022-4219,SUSE-SLE-Module-Basesystem-15-SP3-2022-4219,SUSE-SLE-Module-SUSE-Manager-Proxy-4.2-2022-4219,SUSE-SLE-Module-Server-Applications-15-SP3-2022-4219,SUSE-SUSE-MicroOS-5.2-2022-4219,openSUSE-Leap-Micro-5.2-2022-4219,openSUSE-SLE-15.3-2022-4219", title: "Patchnames", }, { category: "legal_disclaimer", text: "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).", title: "Terms of use", }, ], publisher: { category: "vendor", contact_details: "https://www.suse.com/support/security/contact/", name: "SUSE Product Security Team", namespace: "https://www.suse.com/", }, references: [ { category: "external", summary: "SUSE ratings", url: "https://www.suse.com/support/security/rating/", }, { category: "self", summary: "URL of this CSAF notice", url: "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2022_4219-1.json", }, { category: "self", summary: "URL for SUSE-SU-2022:4219-1", url: "https://www.suse.com/support/update/announcement/2022/suse-su-20224219-1/", }, { category: "self", summary: "E-Mail link for SUSE-SU-2022:4219-1", url: "https://lists.suse.com/pipermail/sle-security-updates/2022-November/013113.html", }, { category: "self", summary: "SUSE Bug 1205178", url: "https://bugzilla.suse.com/1205178", }, { category: "self", summary: "SUSE Bug 1205182", url: "https://bugzilla.suse.com/1205182", }, { category: "self", summary: "SUSE CVE CVE-2022-2601 page", url: "https://www.suse.com/security/cve/CVE-2022-2601/", }, { category: "self", summary: "SUSE CVE CVE-2022-3775 page", url: "https://www.suse.com/security/cve/CVE-2022-3775/", }, ], title: "Security update for grub2", tracking: { current_release_date: "2022-11-25T08:40:02Z", generator: { date: "2022-11-25T08:40:02Z", engine: { name: "cve-database.git:bin/generate-csaf.pl", version: "1", }, }, id: "SUSE-SU-2022:4219-1", initial_release_date: "2022-11-25T08:40:02Z", revision_history: [ { date: "2022-11-25T08:40:02Z", number: "1", summary: "Current version", }, ], status: "final", version: "1", }, }, product_tree: { branches: [ { branches: [ { branches: [ { category: "product_version", name: "grub2-2.04-150300.22.25.1.aarch64", product: { name: "grub2-2.04-150300.22.25.1.aarch64", product_id: "grub2-2.04-150300.22.25.1.aarch64", }, }, { category: "product_version", name: "grub2-branding-upstream-2.04-150300.22.25.1.aarch64", product: { name: 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A malicious crafted pf2 font can lead to an overflow when calculating the max_glyph_size value, allocating a smaller than needed buffer for the glyph, this further leads to a buffer overflow and a heap based out-of-bounds write. An attacker may use this vulnerability to circumvent the secure boot mechanism.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Micro 5.2:grub2-2.04-150300.22.25.1.aarch64", "SUSE Linux Enterprise Micro 5.2:grub2-2.04-150300.22.25.1.s390x", "SUSE Linux Enterprise Micro 5.2:grub2-2.04-150300.22.25.1.x86_64", "SUSE Linux Enterprise Micro 5.2:grub2-arm64-efi-2.04-150300.22.25.1.noarch", "SUSE Linux Enterprise Micro 5.2:grub2-i386-pc-2.04-150300.22.25.1.noarch", "SUSE Linux Enterprise Micro 5.2:grub2-s390x-emu-2.04-150300.22.25.1.s390x", "SUSE Linux Enterprise Micro 5.2:grub2-snapper-plugin-2.04-150300.22.25.1.noarch", "SUSE Linux Enterprise Micro 5.2:grub2-x86_64-efi-2.04-150300.22.25.1.noarch", "SUSE Linux Enterprise Micro 5.2:grub2-x86_64-xen-2.04-150300.22.25.1.noarch", "SUSE Linux Enterprise Module for Basesystem 15 SP3:grub2-2.04-150300.22.25.1.aarch64", "SUSE Linux Enterprise Module for Basesystem 15 SP3:grub2-2.04-150300.22.25.1.ppc64le", 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As consequence an attacker can craft an input which will lead to a out-of-bounds write into grub2's heap, leading to memory corruption and availability issues. Although complex, arbitrary code execution could not be discarded.", title: "CVE description", }, ], product_status: { recommended: [ "SUSE Linux Enterprise Micro 5.2:grub2-2.04-150300.22.25.1.aarch64", "SUSE Linux Enterprise Micro 5.2:grub2-2.04-150300.22.25.1.s390x", "SUSE Linux Enterprise Micro 5.2:grub2-2.04-150300.22.25.1.x86_64", "SUSE Linux Enterprise Micro 5.2:grub2-arm64-efi-2.04-150300.22.25.1.noarch", "SUSE Linux Enterprise Micro 5.2:grub2-i386-pc-2.04-150300.22.25.1.noarch", "SUSE Linux Enterprise Micro 5.2:grub2-s390x-emu-2.04-150300.22.25.1.s390x", "SUSE Linux Enterprise Micro 5.2:grub2-snapper-plugin-2.04-150300.22.25.1.noarch", "SUSE Linux Enterprise Micro 5.2:grub2-x86_64-efi-2.04-150300.22.25.1.noarch", "SUSE Linux Enterprise Micro 5.2:grub2-x86_64-xen-2.04-150300.22.25.1.noarch", "SUSE Linux Enterprise Module for Basesystem 15 SP3:grub2-2.04-150300.22.25.1.aarch64", "SUSE Linux Enterprise Module for Basesystem 15 SP3:grub2-2.04-150300.22.25.1.ppc64le", "SUSE Linux 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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.