SUSE-SU-2026:21144-1 Security update for systemd

This update for systemd fixes the following issues: Update to systemd v257.13: Security issues: - CVE-2026-4105: privilege escalation due to improper access control in RegisterMachine D-Bus method bsc1259650. - CVE-2026-29111: local unprivileged user can trigger an assert in systemd bsc1259418. -...

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...

SUSE-SU-2026:1081-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-53817: crypto: lib/mpi - avoid null pointer deref in mpicmpui bsc1254992. - CVE-2025-37861: scsi: mpi3mr: Synchronous access b/w reset and tm thread for reply...

x86/efi: defer freeing of boot services memory

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CVE-2026-23352

A flaw was found in the Linux kernel. During system startup, when the kernel attempts to free memory used by EFI Extensible Firmware Interface boot services, it may fail to properly release these memory regions. This occurs because the memory freeing process is initiated before the system's memor...

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...

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

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

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: Missing Release of Memory after Effective Lifetime

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...

grub2 security update

2.12-29.0.1.el101.2 - efinet: Close and reopen card on failure Orabug: 37808688 - Update grub2 dependencies to match new Secure Boot certificate chain of trust Orabug: 37766761 - Fix typo in SBAT metadata Orabug: 37693946 - Allow installation of grub2 only with shim-aa64 that allows booting it...

USN-8095-1 linux, linux-aws, linux-gcp, linux-gcp-6.8, linux-gke, linux-gkeop, linux-hwe-6.8, linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oracle, linux-oracle-6.8 vulnerabilities

Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...

u-boot:fuzz_efi_load_image: Crash in efi_load_pe

Detailed Report: https://oss-fuzz.com/testcase?key=4677271440130048 Project: u-boot Fuzzing Engine: libFuzzer Fuzz Target: fuzzefiloadimage Job Type: libfuzzerasanu-boot Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x790bcabe057f Crash State: efiloadpe efiloadimage fuzzefiloadimage...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005470)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005470 advisory. In the Linux kernel, the following vulnerability has been resolved: arm64: efi: Make efirtlock a rawspinlock Running a rt-kernel base on 6.2.0-rc3-rt1 on an Ampere...

SUSE-SU-2026:0741-1 Security update for shim

This update for shim fixes the following issues: shim is updated to version 16.1: - shimstartimage: fix guid/handle pairing when uninstalling protocols - Fix uncompressed ipv6 netboot - fix test segfaults caused by uninitialized memory - SbatLevelVariable.txt: minor typo fix. - Realloc needs to...

MiracleLinux 9 : edk2-20230524-4.el9 (AXSA:2023-6904:04)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-6904:04 advisory. edk2: Function GetEfiGlobalVariable2 return value not checked in DxeImageVerificationHandler CVE-2019-14560 openssl: Possible DoS translating ASN.1...

MiracleLinux 8 : kernel-4.18.0-553.16.1.el8_10 (AXSA:2024-8704:25)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8704:25 advisory. kernel: powerpc: Fix access beyond end of drmem array CVE-2023-52451 kernel: efivarfs: force RO when remounting if SetVariable is not supported...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001730)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001730 advisory. In efirtasmwrapper of efi-rt-wrapper.S, there is a possible bypass of shadow stack protection due to a logic error in the code. This could lead to local escalation o...