145 matches found
kernel: Indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command.
A flaw was found in the prctl function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to...
SUSE-SU-2020:2027-1 Security update for the Linux Kernel
The SUSE Linux Enterprise 15 SP2 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-15780: A lockdown bypass for loading unsigned modules using ACPI table injection was fixed. bsc1173573 - CVE-2020-15393: Fixed a memory leak in...
Information Disclosure
kernel is vulnerable to information disclosure. The prctl function can be used to enable indirect branch speculation even after it has been disabled. This same call will incorrectly report it being 'force disabled' when it is not...
kernel: Indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command.
A flaw was found in the prctl function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to...
kernel: Indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command.
A flaw was found in the prctl function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to...
kernel: Indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command.
A flaw was found in the prctl function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to...
kernel: Indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command.
A flaw was found in the prctl function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to...
Important: kernel
Issue Overview: An issue where a provided address with accessok is not checked was discovered in i915gemexecbuffer2ioctl in drivers/gpu/drm/i915/i915gemexecbuffer.c in the Linux kernel through 4.19.13. A local attacker can craft a malicious IOCTL function call to overwrite arbitrary kernel memory...
The vulnerability of the prctl() function in the Linux operating system’s kernel allows a hacker to gain unauthorized access to protected information.
The vulnerability of the prctl function in the Linux operating system’s kernel is related to insufficient input validation and improper implementation of the functions. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information...
CVE-2020-10768
A flaw was found in the prctl function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to...
UBUNTU-CVE-2020-10768
A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threa...
CVE-2020-10768
A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threa...
Android kernel/sys.c elevation of privilege vulnerability
Android is a cell phone operating system based on the Linux open kernel. A security vulnerability exists in the implementation of the prctlsetvmaanonname function within kernel/sys.c in versions of Android prior to 5.1.1 LMY49F, and 6.0 prior to 2016-01-01, which does not ensure that only one vma...
CVE-2014-3690
arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 3.17.2 on Intel processors does not ensure that the value in the CR4 control register remains the same after a VM entry, which allows host OS users to kill arbitrary processes or cause a denial of service system disruption by...
CVE-2014-3690
CVE-2014-3690 affects arch/x86/kvm/vmx.c in the Linux kernel’s KVM subsystem on Intel, where the CR4 control register value may not be preserved across VM entries. The vendor-provided details in connected Nessus advisories describe a local attacker with access to /dev/kvm who can kill arbitrary p...
openSUSE Security Update : dbus-1 (openSUSE-SU-2014:1228-1)
DBUS-1 was upgraded to upstream release 1.8. This brings the version of dbus to the latest stable release from an unstable snapshot 1.7.4 that is know to have several regressions - Upstream changes since 1.7.4 : + Security fixes : - Do not accept an extra fd in the padding of a cmsg message, whic...
Linux Kernel 2.6.13 <= 2.6.17.4 - prctl() Local Root Exploit (logrotate)
No description provided by source. / $Id: raptorprctl2.c,v 1.3 2006/07/18 13:16:45 raptor Exp $ raptorprctl2.c - Linux 2.6.x suiddumpable2 logrotate Copyright c 2006 Marco Ivaldi [email protected] The suiddumpable support in Linux kernel 2.6.13 up to versions before 2.6.17.4, and 2.6.16 befo...
Linux Kernel 2.6.13 <= 2.6.17.4 - sys_prctl() Local Root Exploit
No description provided by source. // / Local r00t Exploit for: / / Linux Kernel PRCTL Core Dump Handling / / BID 18874 / CVE-2006-2451 / / Kernel 2.6.x = 2.6.13 && 2.6.17.4 / / By: / / - dreyer [email protected] main PoC code / / - RoMaNSoFt [email protected] local root code / / 10.Jul.2006 / //...
Linux Kernel 2.6.13 <= 2.6.17.4 - sys_prctl() Local Root Exploit (3)
No description provided by source. / $Id: raptorprctl.c,v 1.1 2006/07/13 14:21:43 raptor Exp $ raptorprctl.c - Linux 2.6.x suiddumpable vulnerability Copyright c 2006 Marco Ivaldi [email protected] The suiddumpable support in Linux kernel 2.6.13 up to versions before 2.6.17.4, and 2.6.16...
[oss-security] Re: (Linux kernel) Bug#751417: linux-image-3.2.0-4-5kc-malta: no SIGKILL after prctl(PR_SET_SECCOMP, 1, ...) on MIPS
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 According to the manual page, after calling it with 1 as a second argument, any consecutive system calls other than read, write, exit and sigreturn should result in the delivery of SIGKILL. However, under MIPS any consecutive system call behaves as if...