SUSE CVE-2025-39817

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fix slab-out-of-bounds in efivarfsdcompare Observed on kernel 6.6 present on master as well: BUG: KASAN: slab-out-of-bounds in memcmp+0x98/0xd0 Call trace: kasancheckrange+0xe8/0x190 asanloadN+0x1c/0x28 memcmp+0x98/0xd0...

DEBIAN-CVE-2025-39836

In the Linux kernel, the following vulnerability has been resolved: efi: stmm: Fix incorrect buffer allocation method The communication buffer allocated by setupmmhdr is later on passed to teeshmregisterkernelbuf. The latter expects those buffers to be contiguous pages, but setupmmhdr just uses...

CVE-2025-39817

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fix slab-out-of-bounds in efivarfsdcompare Observed on kernel 6.6 present on master as well: BUG: KASAN: slab-out-of-bounds in memcmp+0x98/0xd0 Call trace: kasancheckrange+0xe8/0x190 asanloadN+0x1c/0x28 memcmp+0x98/0xd0...

CVE-2025-39836 efi: stmm: Fix incorrect buffer allocation method

In the Linux kernel, the following vulnerability has been resolved: efi: stmm: Fix incorrect buffer allocation method The communication buffer allocated by setupmmhdr is later on passed to teeshmregisterkernelbuf. The latter expects those buffers to be contiguous pages, but setupmmhdr just uses...

CVE-2025-39836 efi: stmm: Fix incorrect buffer allocation method

In the Linux kernel, the following vulnerability has been resolved: efi: stmm: Fix incorrect buffer allocation method The communication buffer allocated by setupmmhdr is later on passed to teeshmregisterkernelbuf. The latter expects those buffers to be contiguous pages, but setupmmhdr just uses...

CVE-2025-39836: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: efi: stmm: Fix incorrect buffer allocation method The communication buffer allocated by setupmmhdr is later on passed to teeshmregisterkernelbuf. The latter expects those buffers to be contiguous pages, but setupmmhdr just uses...

Linux Distros Unpatched Vulnerability : CVE-2023-53216

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2023-53216

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 Altra outputs the following: BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:46 inatomic: 1,...

UBUNTU-CVE-2023-53216

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 Altra outputs the following: BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:46 inatomic: 1,...

CVE-2023-53216

CVE-2023-53216 affects the Linux kernel on ARM64 where EFI runtime services could sleep in an invalid context due to the new efi_rt_lock spinlock. The root cause is the addition of a spinlock (efi_rt_lock) introduced by commit ff7a167961d1 to execute EFI runtime services from a dedicated stack, w...

CVE-2023-53216 arm64: efi: Make efi_rt_lock a raw_spinlock

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 Altra outputs the following: BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:46 inatomic: 1,...

CVE-2023-53216 arm64: efi: Make efi_rt_lock a raw_spinlock

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 Altra outputs the following: BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:46 inatomic: 1,...

PT-2025-37657

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.2.0-rc3-rt1 Description A flaw exists in the Linux kernel related to the EFI runtime services. Specifically, the efi rt lock spinlock could lead to preemption issues when called from within EFI runtime services...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from efirtlock not being implemented as rawspinlock, which could lead to incorrect sleep function calls in the...

Security update for xen

This update for xen fixes the following issues: Security issues fixed: CVE-2025-27466: NULL pointer dereference in the Viridian interface when updating the reference TSC area bsc1248807. CVE-2025-58142: NULL pointer dereference in the Viridian interface due to assumption that the SIM page is mapp...

An unlimited recursion in DxeCore in EDK II.

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fbdev: efifb: Register sysfs groups through driver core

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SUSE SLES15: cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc (SUSE-SU-2025:03023-1)

The remote SUSE Linux SLES15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:03023-1 advisory. The SUSE Linux Enterprise 15 SP6 RT kernel was updated to receive various security bugfixes. The following security bugs were...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2019-11135: TSX Asynchronous Abort condition on some CPUs utilizing speculative execution may bsc1139073 CVE-2024-36028: mm/hugetlb: fix DEBUGLOCKSWARNON1 when...

SUSE-SU-2025:02996-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2024-36028: mm/hugetlb: fix DEBUGLOCKSWARNON1 when dissolvefreehugetlbfolio bsc1225707. - CVE-2024-36348, CVE-2024-36349, CVE-2024-36350, CVE-2024-36357:...