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 the rtl8180initrxring function in the rtl818x driver failing to free previously successfully allocated memor...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value in the deserialization process of .msgpack files containing EXT32 objects. An attacker can exhaust system memory and cause service unavailability by submitting a specially crafted .msgpack fil...

DEBIAN-CVE-2026-21452

MessagePack for Java is a serializer implementation for Java. A denial-of-service vulnerability exists in versions prior to 0.9.11 when deserializing .msgpack files containing EXT32 objects with attacker-controlled payload lengths. While MessagePack-Java parses extension headers lazily, it later...

CVE-2026-21452

CVE-2026-21452 affects MessagePack for Java prior to 0.9.11. During deserialization of .msgpack files containing EXT32 objects with attacker-controlled payload lengths, ExtensionValue.getData() allocates a byte array based on the declared length without upper-bound checks, enabling remote DoS via...

CVE-2026-21452 MessagePack-Java Vulnerable to Remote Denial of Service via Malicious .msgpack Model File Triggering Unbounded EXT Payload Allocation

MessagePack for Java is a serializer implementation for Java. A denial-of-service vulnerability exists in versions prior to 0.9.11 when deserializing .msgpack files containing EXT32 objects with attacker-controlled payload lengths. While MessagePack-Java parses extension headers lazily, it later...

PT-2026-28366

Name of the Vulnerable Software and Affected Versions Dovecot versions prior to 2.4.3 Description An attacker can send a crafted message before authentication, leading to excessive memory allocation within the managesieve component. This can cause the managesieve-login process to crash, potential...

PT-2026-26290

Name of the Vulnerable Software and Affected Versions libarchive affected versions not specified Description An issue exists in libarchive’s zisofs decompression logic. Improper validation of the pz log2 bs field read from ISO9660 Rock Ridge extensions can lead to undefined behavior. An attacker...

PT-2026-20453

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Exynos Virtual Display driver in the Linux kernel has a concurrency issue due to missing lock protection during memory allocation and deallocation operations. This can lead to a...

PT-2026-20448

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained an issue in the crypto/omap subsystem where scatterlists were incorrectly allocated in the omap crypto copy sg lists function. The allocation was for pointers ...

PT-2026-2246

Name of the Vulnerable Software and Affected Versions HarfBuzz versions prior to 12.3.0 Description HarfBuzz is a text shaping engine. A null pointer dereference issue exists in the SubtableUnicodesCache::create function, located in src/hb-ot-cmap-table.hh. The function does not verify if hb mall...

PT-2026-26102

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.6 through 6.14 Description The Linux kernel contains an issue where the xchk xfile descr macros utilize kasprintf, which may fail to allocate memory if the resulting formatted string exceeds a certain length. This can...

PT-2026-6116

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.18.0 10 Description The Linux kernel contains a flaw within the virtio net subsystem. Specifically, an inconsistency exists in how memory is allocated and freed for the RSS header. The initial allocation uses...

PT-2026-26047

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.19.0 1 Description The Linux kernel contains a flaw in the nvme pr read keys function related to memory allocation. A malicious or buggy userspace process can provide a large num keys value, leading to an attem...

CVE-2023-54214

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling allocskb which may release the chan lock and reacquire later which makes it possible that the chan is...

SUSE CVE-2022-50866

In the Linux kernel, the following vulnerability has been resolved: ASoC: pxa: fix null-pointer dereference in filter kasprintf would return NULL pointer when kmalloc fail to allocate. Need to check the return pointer before calling strcmp...

SUSE CVE-2023-54178

In the Linux kernel, the following vulnerability has been resolved: of: unittest: fix null pointer dereferencing in ofunittestfindnodebyname when kmalloc fail to allocate memory in kasprintf, name or fullname will be NULL, strcmp will cause null pointer dereference...

SUSE CVE-2023-54194

In the Linux kernel, the following vulnerability has been resolved: exfat: use kvmallocarray/kvfree instead of kmallocarray/kfree The call stack shown below is a scenario in the Linux 4.19 kernel. Allocating memory failed where exfat fs use kmallocarray due to system memory fragmentation, while t...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993179)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993179 advisory. In the Linux kernel, the following vulnerability has been resolved: iavf: Fix adminq error handling iavfallocasqbufs/iavfallocarqbufs allocates with dmaalloccoherent...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993077)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993077 advisory. In the Linux kernel, the following vulnerability has been resolved: bnxten: Avoid order-5 memory allocation for TPA data The driver needs to keep track of all the...

Linux Distros Unpatched Vulnerability : CVE-2022-50875

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - of: overlay: fix null pointer dereferencing in finddupcsetnodeentry and finddupcsetprop When kmalloc fail to allocate memory in kasprintf, fn1 or fn2 will be...