CVE-2023-53487

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtasflash: allow user copy to flash block cache objects With hardened usercopy enabled CONFIGHARDENEDUSERCOPY=y, using the /proc/powerpc/rtas/firmwareupdate interface to prepare a system firmware update yields a BUG: kern...

CVE-2022-50433 efi: ssdt: Don't free memory if ACPI table was loaded successfully

In the Linux kernel, the following vulnerability has been resolved: efi: ssdt: Don't free memory if ACPI table was loaded successfully Amadeusz reports KASAN use-after-free errors introduced by commit 3881ee0b1edc "efi: avoid efivars layer when loading SSDTs from variables". The problem appears t...

UBUNTU-CVE-2025-39854

In the Linux kernel, the following vulnerability has been resolved: ice: fix NULL access of tx-inuse in icelltsintr Recent versions of the E810 firmware have support for an extra interrupt to handle report of the "low latency" Tx timestamps coming from the specialized low latency firmware...

CVE-2025-39855 ice: fix NULL access of tx->in_use in ice_ptp_ts_irq

In the Linux kernel, the following vulnerability has been resolved: ice: fix NULL access of tx-inuse in iceptptsirq The E810 device has support for a "low latency" firmware interface to access and read the Tx timestamps. This interface does not use the standard Tx timestamp logic, due to the...

Linux Distros Unpatched Vulnerability : CVE-2025-39836

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - efi: stmm: Fix incorrect buffer allocation method The communication buffer allocated by setupmmhdr is later on passed to teeshmregisterkernelbuf. The latter...

SUSE 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-2025-39836

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-2025-39836

CVE-2025-39836 is a Linux kernel issue described as resolved: the EFI stmm path allocated a communication buffer with kmalloc(), while the consumer expects contiguous pages, risking corruptions/BUGs. The fix switches from kmalloc() to alloc_pages_exact() in setup_mm_hdr() so buffers passed to tee...

DEBIAN-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 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,...

⚡ Weekly Recap: Bootkit Malware, AI-Powered Attacks, Supply Chain Breaches, Zero-Days & More

In a world where threats are persistent, the modern CISO's real job isn't just to secure technology—it's to preserve institutional trust and ensure business continuity. This week, we saw a clear pattern: adversaries are targeting the complex relationships that hold businesses together, from suppl...

A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.

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Exploits and vulnerabilities in Q2 2025

Vulnerability registrations in Q2 2025 proved to be quite dynamic. Vulnerabilities that were published impact the security of nearly every computer subsystem: UEFI, drivers, operating systems, browsers, as well as user and web applications. Based on our analysis, threat actors continue to leverag...

CVE-2025-25734

Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units RSUs v3.2.0.829.23, v3.8.0.1119.42, and v4.6.0.1211.28 was discovered to contain an unauthenticated EFI shell which allows attackers to execute arbitrary code or escalate privileges during the boot process...

PT-2025-34782 · Kapsch Trafficcom · Ris-9160 +1

Name of the Vulnerable Software and Affected Versions: Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units RSUs versions 3.2.0.829.23, 3.8.0.1119.42, and 4.6.0.1211.28 Description: The Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units RSUs contain an unauthenticated EFI shell. This allows...

CVE-2025-25734

Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs) versions 3.2.0.829.23, 3.8.0.1119.42, and 4.6.0.1211.28 contain an unauthenticated EFI shell that can be leveraged to execute arbitrary code or escalate privileges during boot. Root cause is an EFI shell exposure in the RSU firmware; aff...

CVE-2025-25734

Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units RSUs v3.2.0.829.23, v3.8.0.1119.42, and v4.6.0.1211.28 was discovered to contain an unauthenticated EFI shell which allows attackers to execute arbitrary code or escalate privileges during the boot process...

PT-2025-37981

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue where the communication buffer allocated by setup mm hdr was not contiguous, despite being expected to be by tee shm register kernel buf. This could le...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 Azure 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:...

SUSE CVE-2025-38585

In the Linux kernel, the following vulnerability has been resolved: staging: media: atomisp: Fix stack buffer overflow in gmingetvarint When gmingetconfigvar calls efi.getvariable and the EFI variable is larger than the expected buffer size, two behaviors combine to create a stack buffer overflow...