CVE-2019-5612

In FreeBSD 12.0-STABLE before r351264, 12.0-RELEASE before 12.0-RELEASE-p10, 11.3-STABLE before r351265, 11.3-RELEASE before 11.3-RELEASE-p3, and 11.2-RELEASE before 11.2-RELEASE-p14, the kernel driver for /dev/midistat implements a read handler that is not thread-safe. A multi-threaded program c...

The vulnerability of the kernel of Linux and FreeBSD systems lies in errors in the algorithms used for reassembling packages in TCP stacks, which allows a hacker to cause a service failure.

The vulnerability of the kernel of Linux and FreeBSD systems is related to errors in the algorithms used for repackaging packages in TCP stacks. Exploiting this vulnerability allows a remote attacker to cause service interruptions through specially crafted traffic...

CVE-2018-6925

In FreeBSD before 11.2-STABLEr338986, 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLEr338985, and 10.4-RELEASE-p13, due to improper maintenance of IPv6 protocol control block flags through various failure paths, an unprivileged authenticated local user may be able to cause a NULL pointer dereferen...

FreeBSD Denial of Service Vulnerability (CNVD-2020-38783)

FreeBSD is a set of Unix-like free operating systems in the FreeBSD project, headed by the Core Team team, and is an important branch of Unix-like systems that have evolved through BSD, 386BSD, and 4.4BSD. A security vulnerability exists in FreeBSD that stems from the ELF packet header parser not...

BSA-2018-696

Security Advisory ID : BSA-2018-696 Component : Kernel Revision : 1.0: Final A TCP data structure in supported versions of FreeBSD 11, 11.1, 11.2, 10, and 10.4 use an inefficient algorithm to reassemble the data. This causes the CPU time spent on segment processing to grow linearly with the numbe...

CVE-2017-1081

In FreeBSD before 11.0-STABLE, 11.0-RELEASE-p10, 10.3-STABLE, and 10.3-RELEASE-p19, ipfilter using "keep state" or "keep frags" options can cause a kernel panic when fed specially crafted packet fragments due to incorrect memory handling...

CVE-2018-6919

In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p9, 10.4-STABLE, 10.4-RELEASE-p8 and 10.3-RELEASE-p28, due to insufficient initialization of memory copied to userland, small amounts of kernel memory may be disclosed to userland processes. Unprivileged users may be able to access small amounts...

CVE-2017-1088

In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p4, 11.0-RELEASE-p15, 10.4-STABLE, 10.4-RELEASE-p3, and 10.3-RELEASE-p24, the kernel does not properly clear the memory of the kldfilestat structure before filling the data. Since the structure filled by the kernel is allocated on the kernel stack and...

CVE-2017-1088

In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p4, 11.0-RELEASE-p15, 10.4-STABLE, 10.4-RELEASE-p3, and 10.3-RELEASE-p24, the kernel does not properly clear the memory of the kldfilestat structure before filling the data. Since the structure filled by the kernel is allocated on the kernel stack and...

The vulnerability of the FreeBSD operating system’s kernel, which allows a hacker to trigger a service failure

The vulnerability of the FreeBSD operating system’s kernel is related to deficiencies in access control. Exploiting this vulnerability can allow an attacker to cause a service failure through a specially crafted setgroups call...

The vulnerability of the FreeBSD operating system’s kernel allows a hacker to gain privileged access and read a portion of the kernel’s memory.

The vulnerability of the FreeBSD operating system’s kernel is related to deficiencies in access control. Exploiting this vulnerability allows a malicious actor, operating locally, to gain privileged access and read part of the kernel’s memory using undefined vectors...

CVE-2016-1880

The Linux compatibility layer in the kernel in FreeBSD 9.3, 10.1, and 10.2 allows local users to read portions of kernel memory and potentially gain privilege via unspecified vectors, related to "handling of Linux futex robust lists."...

CVE-2016-1880

The Linux compatibility layer in the kernel in FreeBSD 9.3, 10.1, and 10.2 allows local users to read portions of kernel memory and potentially gain privilege via unspecified vectors, related to "handling of Linux futex robust lists."...

Netscaler Instances on SDX show less memory than allocated from within the SVM Console

Question: When I allocate RAM to a Netscaler instance on SDX, the Netscaler reports considerably less memory than is allocated. For instance, if I allocate 16gb, the Netscaler instance shows only 12gb allocated. Answer: This is an expected behavior. When NetScaler is started and is initializing t...

FreeBSD Kernel (FreeBSD 10.2 x64) - sendmsg Kernel Heap Overflow (PoC)

FreeBSD Kernel FreeBSD 10.2 x64 - sendmsg Kernel Heap Overflow PoC include include include include include include include include include include void atagetxportvoid; int kprintfconst char fmt, ...; char ostype; void resolvechar name struct kldsymlookup ksym; ksym.version = sizeofksym;...

FreeBSD Kernel (FreeBSD 10.2 < 10.3 x64) - 'SETFKEY' (PoC)

include include include include include include include include include include include include int kprintfconst char fmt, ...; char ostype; uint64t originalRip; uint64t originalRbp; void resolvechar name struct kldsymlookup ksym; ksym.version = sizeofksym; ksym.symname = name; ifkldsym0,...

FreeBSD Kernel amd64_set_ldt Heap Overflow Vulnerability

FreeBSD is a UNIX operating system. An integer signature error in the amd64setldt function in the kernel code of versions prior to FreeBSD 10.2-RELENG can lead to a kernel heap overflow, which can cause a system crash in a local attacker...

FreeBSD Kernel sys_amd64 IRET Processor Denial of Service Vulnerability

FreeBSD is a BSD-based operating system. FreeBSD has a security vulnerability that allows local users to return SS or NP anomalous IRETs that can lead to denial of service or elevation of privilege...

NVIDIA GPU for FreeBSD Driver Vulnerability

FreeBSD is a type of UNIX operating system, an important branch of Unix that evolved from BSD, 386BSD and 4.4BSD. A security vulnerability exists in the NVIDIA GPU for FreeBSD driver, which can be exploited by a local attacker to write or read arbitrary kernel memory with certain privileges...

Debian Security Advisory DSA 3070-1 (kfreebsd-9 - security update)

Several vulnerabilities have been discovered in the FreeBSD kernel that may lead to a denial of service or information disclosure. CVE-2014-3711 Denial of service through memory leak in sandboxed namei lookups. CVE-2014-3952 Kernel memory disclosure in sockbuf control messages. CVE-2014-3953 Kern...