Published: 29/07/2020 Updated: 21/11/2024

In grub2 versions prior to 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to cause possible integrity, confidentiality and availability impacts during the boot process.

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Several vulnerabilities have been discovered in the GRUB2 bootloader CVE-2020-10713 A flaw in the grubcfg parsing code was found allowing to break UEFI Secure Boot and load arbitrary code Details can be found at wwweclypsiumcom/2020/07/29/theres-a-hole-in-the-boot/ CVE-2020-14308 It was discovered that grub_malloc does ...

Synopsis Moderate: grub2 security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for grub2, shim, shim-signed, and fwupdate is now available for Red Hat Enterprise Linux 76 Extended Update SupportRed Hat Product Security has rated this update as having a security impact of Mo ...

Synopsis Moderate: grub2 security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for grub2, shim, and shim-signed is now available for Red Hat Enterprise Linux 72 Advanced Update SupportRed Hat Product Security has rated this update as having a security impact of Moderate A ...

Synopsis Moderate: grub2 security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for grub2, shim, and shim-signed is now available for Red Hat Enterprise Linux 73 Advanced Update Support, Red Hat Enterprise Linux 73 Telco Extended Update Support, and Red Hat Enterprise Linux ...

Synopsis Moderate: grub2 security update Type/Severity Security Advisory: Moderate Topic An update for grub2, shim, shim-unsigned-x64, and fwupd is now available for Red Hat Enterprise Linux 81 Extended Update SupportRed Hat Product Security has rated this update as having a security impact of Moderate A ...

Synopsis Moderate: grub2 security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for grub2, shim, shim-signed, and fwupdate is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerabi ...

Synopsis Moderate: grub2 security update Type/Severity Security Advisory: Moderate Topic An update for grub2, shim, shim-unsigned-x64, and fwupd is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scor ...

Synopsis Moderate: grub2 security and bug fix update Type / Sévérité Security Advisory: Moderate Sujet An update for grub2, shim, shim-signed, and fwupdate is now available for Red Hat Enterprise Linux 77 Extended Update SupportRed Hat Product Security has rated this update as having a security impact ...

Synopsis Moderate: grub2 security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for grub2, shim, shim-signed, and fwupdate is now available for Red Hat Enterprise Linux 74 Advanced Update Support, Red Hat Enterprise Linux 74 Telco Extended Update Support, and Red Hat Enterpr ...

Synopsis Moderate: grub2 security update Type/Severity Security Advisory: Moderate Topic An update for grub2, shim, and fwupd is now available for Red Hat Enterprise Linux 80 Update Services for SAP SolutionsRed Hat Product Security has rated this update as having a security impact of Moderate A Common V ...

HP has been informed of a potential security vulnerability in GRUB2 bootloaders commonly used by Linux This vulnerability, known as “There’s a Hole in the Boot” (also nicknamed “BootHole”), could allow bypass of UEFI Secure Boot and allow arbitrary code execution Additional GRUB2 vulnerabilities found in response to the initial report ...

Critical Infrastructure Sectors: Energy

Solar Designer (solar () openwall com) wrote: Sorry, I wasn't aware about the problem with @googlecom Replying from the email address I use for my OSS communications (supposedly has DKIM and SPF configured) If this one is OK, I'll use it instead I think we can help with the following tasks: Help ensure that each message posted to oss-sec ...

[This message expands slightly on the post to the distros list on 2020-07-20] Hello All, There are several CVEs both in GRUB2 and the Linux kernel (details below) that compromise UEFI Secure boot and kernel lockdown * These bugs allow unsigned code to be booted and run on hardware configured to prevent that * Affected vendors will be pu ...

Hello Oleksandr, You posted this from @googlecom, which probably means many subscribers didn't receive the message because of that domain's strict DMARC policy So I fully quote your message below for others to possibly comment BTW, you will similarly need to be posting from another domain (eg, gmailcom) to the linux-distros list Overall, ...

Hello, I’d like to propose Container-Optimized OS (COS) for membership in linux-distros Text below addresses items listed in the “Membership criteria” section of oss-securityopenwallorg/wiki/mailing-lists/distros Container-Optimized OS (COS) s a Chromium OS based server operating system Google distributes COS as a pre-built c ...

https://nvd.nist.gov https://www.debian.org/security/2020/dsa-4735 https://www.cisa.gov/uscert/ics/advisories/icsa-21-336-06

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CVE-2020-14308

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