222 matches found
grub2 security, bug fix, and enhancement update
2.02-123.0.1 - backport arm64: Fix EFI loader kernel image allocation Orabug: 33702462 - backport Arm: check for the PE magic for the compiled arch Orabug: 33702462 - Backport some better script logic for BTRFS support Orabug: 32448171 - Do not add shim and grub certificate deps for aarch64...
kexec-tools bug fix and enhancement update
The kexec-tools packages contain the /sbin/kexec binary and utilities that together form the user-space component of the kernel's kexec feature. The /sbin/kexec binary facilitates a new kernel to boot using the kernel's kexec feature either on a normal or a panic reboot. The kexec fastboot...
kexec-tools bug fix and enhancement update
An update is available for kexec-tools. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kexec-tools packages contain the /sbin/kexec binary and utilities tha...
[slackware-security] Slackware 14.2 kernel
New kernel packages are available for Slackware 14.2 to fix security issues. Here are the details from the Slackware 14.2 ChangeLog: patches/packages/linux-4.4.261/: Upgraded. These updates fix various bugs and security issues, including the recently announced iSCSI vulnerabilities allowing local...
[SECURITY] Fedora 31 Update: kata-osbuilder-1.11.1-1.fc31.1
Kata guest initrd and image build scripts...
Grub2 grub_cmd_initrd grub_initrd_init DoS
The vulnerability of the implementations of grubcmdinitrd and grubinitrdinit, which are used by the Grub2 operating system loader, is related to the introduction of a large number of arguments into the initrd command in 32-bit architectures. Exploiting this vulnerability allows an attacker to gai...
GRUB2 contained integer overflows when handling the initrd command leading to a heap-based buffer overflow.
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grub2: Integer overflow in initrd size handling
Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu the functionality is not included in GRUB2 upstream, leading to a heap-based buffer overflow. These could be triggered by an extremely...
grub2: Integer overflow in initrd size handling
Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu the functionality is not included in GRUB2 upstream, leading to a heap-based buffer overflow. These could be triggered by an extremely...
grub2: Integer overflow in initrd size handling
Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu the functionality is not included in GRUB2 upstream, leading to a heap-based buffer overflow. These could be triggered by an extremely...
Moderate: Red Hat Security Advisory: grub2 security and bug fix update
An update for grub2, shim, shim-signed, and fwupdate is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions. Red Hat Product Security has rated this...
grub2: Integer overflow in initrd size handling
Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu the functionality is not included in GRUB2 upstream, leading to a heap-based buffer overflow. These could be triggered by an extremely...
Denial Of Service (DoS)
grub2 is vulnerable to denial of service DoS. The vulnerability exists through integer overflow in initrd size handling...
Debian DSA-4735-1 : grub2 - security update
Several vulnerabilities have been discovered in the GRUB2 bootloader. - CVE-2020-10713 A flaw in the grub.cfg parsing code was found allowing to break UEFI Secure Boot and load arbitrary code. Details can be found at https://www.eclypsium.com/2020/07/29/theres-a-hole-in-th e-boot/ - CVE-2020-1430...
grub2: Integer overflow in initrd size handling
Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu the functionality is not included in GRUB2 upstream, leading to a heap-based buffer overflow. These could be triggered by an extremely...
USN-4432-1 grub2, grub2-signed vulnerabilities
Jesse Michael and Mickey Shkatov discovered that the configuration parser in GRUB2 did not properly exit when errors were discovered, resulting in heap-based buffer overflows. A local attacker could use this to execute arbitrary code and bypass UEFI Secure Boot restrictions. CVE-2020-10713 Chris...
grub2: Integer overflow in initrd size handling
Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu the functionality is not included in GRUB2 upstream, leading to a heap-based buffer overflow. These could be triggered by an extremely...
CVE-2020-15707 GRUB2 contained integer overflows when handling the initrd command, leading to a heap-based buffer overflow.
Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu the functionality is not included in GRUB2 upstream, leading to a heap-based buffer overflow. These could be triggered by an extremely...
UBUNTU-CVE-2020-15707
Integer overflows were discovered in the functions grubcmdinitrd and grubinitrdinit in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu the functionality is not included in GRUB2 upstream, leading to a heap-based buffer overflow. These could be triggered by an extremely...
PT-2020-3625
Name of the Vulnerable Software and Affected Versions Grub2 versions prior to 2.04 Description The issue is related to the implementation of the grub cmd initrd and grub initrd init functions in Grub2, which can be exploited by passing a large number of arguments to the initrd command on 32-bit...