CVE-2025-38564

In the Linux kernel, the following vulnerability has been resolved: perf/core: Handle buffer mapping fail correctly in perfmmap After successful allocation of a buffer or a successful attachment to an existing buffer perfmmap tries to map the buffer read only into the page table. If that fails, t...

CVE-2025-38564 perf/core: Handle buffer mapping fail correctly in perf_mmap()

In the Linux kernel, the following vulnerability has been resolved: perf/core: Handle buffer mapping fail correctly in perfmmap After successful allocation of a buffer or a successful attachment to an existing buffer perfmmap tries to map the buffer read only into the page table. If that fails, t...

CVE-2025-38563

In the Linux kernel, the following vulnerability has been resolved: perf/core: Prevent VMA split of buffer mappings The perf mmap code is careful about mmap'ing the user page with the ringbuffer and additionally the auxiliary buffer, when the event supports it. Once the first mapping is...

CVE-2025-38563 perf/core: Prevent VMA split of buffer mappings

In the Linux kernel, the following vulnerability has been resolved: perf/core: Prevent VMA split of buffer mappings The perf mmap code is careful about mmap'ing the user page with the ringbuffer and additionally the auxiliary buffer, when the event supports it. Once the first mapping is...

CVE-2025-38564 perf/core: Handle buffer mapping fail correctly in perf_mmap()

In the Linux kernel, the following vulnerability has been resolved: perf/core: Handle buffer mapping fail correctly in perfmmap After successful allocation of a buffer or a successful attachment to an existing buffer perfmmap tries to map the buffer read only into the page table. If that fails, t...

KillChainGraph: ML Framework for Predicting and Mapping ATT&CK Techniques

The escalating complexity and volume of cyberattacks demand proactive detection strategies that go beyond traditional rule-based systems. This paper presents a phase-aware, multi-model machine learning framework that emulates adversarial behavior across the seven phases of the Cyber Kill Chain...

Linux kernel 安全漏洞

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 Linux kernel that stems from a buffer mapping failure that is not handled correctly and could lead to a reference count leak...

PT-2025-33763 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The perf mmap function in the Linux kernel does not correctly handle buffer mapping failures. Specifically, if mapping a buffer read-only into the page table fails after successful...

PT-2025-33753 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a use-after-free UAF issue within the memory management subsystem. This flaw occurs when a virtual memory area's VMA mm pointer is freed after the VMA's...

Linux Distros Unpatched Vulnerability : CVE-2020-25717

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation...

SUSE-SU-2025:02850-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-49138: Bluetooth: hcievent: Fix checking conn for leconncompleteevt bsc1238160. - CVE-2023-52927: netfilter: allow exp not to be removed in...

kernel: mm/hugetlb: unshare page tables during VMA split, not before

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: unshare page tables during VMA split, not before Currently, splitvma triggers hugetlb page table unsharing through vmops-maysplit. This happens before the VMA lock and rmap locks are taken - which is too early, it...

CVE-2025-38508

In the Linux kernel, the following vulnerability has been resolved: x86/sev: Use TSCFACTOR for Secure TSC frequency calculation When using Secure TSC, the GUESTTSCFREQ MSR reports a frequency based on the nominal P0 frequency, which deviates slightly typically 0.2% from the actual mean TSC...

Linux Distros Unpatched Vulnerability : CVE-2021-23382

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The package postcss before 8.2.13 are vulnerable to Regular Expression Denial of Service ReDoS via getAnnotationURL and loadAnnotation in lib/previous-map.js. T...

CVE-2025-38508

In the Linux kernel, the following vulnerability has been resolved: x86/sev: Use TSCFACTOR for Secure TSC frequency calculation When using Secure TSC, the GUESTTSCFREQ MSR reports a frequency based on the nominal P0 frequency, which deviates slightly typically 0.2% from the actual mean TSC...

CVE-2025-38508

The CVE-2025-38508 entry describes a Linux kernel vulnerability in x86/SEV: when Secure TSC is enabled, GUEST_TSC_FREQ is derived from the P0 frequency and diverges from the mean TSC frequency, causing clock skew in SEV-SNP VMs and resulting in hrtimer interrupts firing earlier than expected. The...

CVE-2025-38508 x86/sev: Use TSC_FACTOR for Secure TSC frequency calculation

In the Linux kernel, the following vulnerability has been resolved: x86/sev: Use TSCFACTOR for Secure TSC frequency calculation When using Secure TSC, the GUESTTSCFREQ MSR reports a frequency based on the nominal P0 frequency, which deviates slightly typically 0.2% from the actual mean TSC...

CVE-2025-38508

In the Linux kernel, the following vulnerability has been resolved: x86/sev: Use TSCFACTOR for Secure TSC frequency calculation When using Secure TSC, the GUESTTSCFREQ MSR reports a frequency based on the nominal P0 frequency, which deviates slightly typically 0.2% from the actual mean TSC...

Linux kernel 安全漏洞

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 a missing sentinel entry in the AXP717 ADC channel mapping, which could result in a KASAN warning...

Linux Distros Unpatched Vulnerability : CVE-2021-47531

"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: drm/msm: Fix mmap to include VMIO and VMDONTDUMP In commit 510410bfc034 drm/msm: Implement...