69 matches found
Astra Linux – Vulnerability in Linux 6.1
In the Linux kernel, the following vulnerability has been resolved: x86/efistub: Calls boot services in mixed mode on the firmware’s stack Normally, the EFI stub calls into EFI boot services using the stack that was active when the stub was entered. According to the UEFI specification, this stack...
Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1
In the Linux kernel, the following vulnerability has been resolved: x86/EFI: The deferral of freeing boot services memory The efifreebootservices function frees the memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issues with this approach:...
Astra Linux – Vulnerability in Linux, Linux 5.10
In the Linux kernel, the following vulnerability has been resolved: x86/ioremap: Maps EFI-reserved memory as encrypted for SEV. Some drivers require memory that is marked as EFI boot services data. To prevent this memory from being reused by the kernel after ExitBootServices, efimemreserve is use...
Incorrect use of LocateProtocol Service of the EFI_BOOT_Services table in SMI Handler
CVE Details Refer to Glossary for explanation of terms CVE| CVE Description| CVSS Score ---|---|--- CVE-2025-54502| Incorrect use of boot service in the AMD Platform Configuration Blob APCB SMM driver could allow a privileged attacker with local access Ring 0 to achieve privilege escalation...
OESA-2026-1831 kernel security update
The Linux Kernel, the operating system core itself. Security Fixes: A vulnerability exists in the RDMA/umad component of the Linux kernel when processing user-space data. The ibumadwrite function calculates datalen based on user-controlled count and MAD header sizes. When a mismatched user MAD...
x86/efi: defer freeing of boot services memory
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EUVD-2026-15325
In the Linux kernel, the following vulnerability has been resolved: x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issue with that: memblockfreelate should be used for...
CVE-2026-23352
In the Linux kernel, the following vulnerability has been resolved: x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issue with that: memblockfreelate should be used for...
AZL-80636 CVE-2026-23352 affecting package kernel for versions less than 6.6.130.1-1
In the Linux kernel, the following vulnerability has been resolved: x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issue with that: memblockfreelate should be used for...
CVE-2026-23352
In the Linux kernel, the following vulnerability has been resolved: x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issue with that: memblockfreelate should be used for...
UBUNTU-CVE-2026-23352
In the Linux kernel, the following vulnerability has been resolved: x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issue with that: memblockfreelate should be used for...
CVE-2026-23352 x86/efi: defer freeing of boot services memory
In the Linux kernel, the following vulnerability has been resolved: x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issue with that: memblockfreelate should be used for...
CVE-2026-23352
In the Linux kernel, the following vulnerability has been resolved: x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issue with that: memblockfreelate should be used for...
CVE-2026-23352
In the Linux kernel, the following vulnerability has been resolved: x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issue with that: memblockfreelate should be used for...
CVE-2026-23352
CVE-2026-23352 affects Linux kernel's x86 EFI code: efi_free_boot_services() defers freeing of EFI_BOOT_SERVICES memory, but memblock_free_late() is not suitable for reserved memory and may miss uninitialized memory maps when CONFIG_DEFERRED_STRUCT_PAGE_INIT=y. This can cause a RAM leak (~140 MB ...
CVE-2026-23352 x86/efi: defer freeing of boot services memory
In the Linux kernel, the following vulnerability has been resolved: x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issue with that: memblockfreelate should be used for...
Linux Distros Unpatched Vulnerability : CVE-2026-23352
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate...
PT-2026-27717
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue related to the freeing of EFI boot services memory. The efi free boot services function incorrectly uses memblock free late to free memory reserved wit...