VT-d: Failure to quarantine devices in !HVM builds

ISSUE DESCRIPTION Incorrect placement of a preprocessor directive in source code results in logic that doesn't operate as intended when support for HVM guests is compiled out of Xen. IMPACT When a device is removed from a domain, it is not properly quarantined and retains its access to the domain...

kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race

A use-after-free flaw was found in vcsread in drivers/tty/vt/vcscreen.c in vcscreen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information...

Medium: kernel

Issue Overview: A use-after-free flaw was found in vcsread in drivers/tty/vt/vcscreen.c in vcscreen in the Linux Kernel. In this flaw an attacker with local user access may lead to a system crash or a leak of internal kernel information. CVE-2023-3567 In the Linux kernel, the following...

vt-kungfu.de Improper Access Control vulnerability OBB-3771585

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

PT-2023-9494 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel version 6.3-intel r1 Description: The vulnerability is related to the iommu/vt-d component of the Linux kernel. It is caused by the allocation of memory with the GFP KERNEL flag during the iommu suspend syscore suspend callback,...

OESA-2023-1467 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In multiple functions of binder.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for...

CLSA-2023-1690395540 Fix of 12 CVEs

Bionic update: upstream stable patchset 2021-11-12 LP: 1950816 // CVE- url: https://ubuntu.com/security/CVE-2021-20321 - ovl: fix missing negative dentry check in ovlrename CVE-url: https://ubuntu.com/security/CVE-2021-20321 - ovl: cleanup unused var in rename2 Jammy update: v5.15.93 upstream...

Design/Logic Flaw

A use-after-free flaw was found in vcsread in drivers/tty/vt/vcscreen.c in vcscreen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information...

CVE-2023-3567 Kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race

A use-after-free flaw was found in vcsread in drivers/tty/vt/vcscreen.c in vcscreen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information...

CVE-2023-3567

CVE-2023-3567 is a use-after-free vulnerability in Linux kernel code (vc_screen.c: vcs_read in vc_screen) that can allow a local attacker to crash the system or leak kernel information. Connected advisories (Astra Linux, CIRCL sighting, and Amazon Linux advisories) confirm the same UAF issue and ...

SUSE CVE-2023-3567

A use-after-free flaw was found in vcsread in drivers/tty/vt/vcscreen.c in vcscreen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information...

Vitess 安全漏洞

Vitess is a database clustering system for horizontally scaling MySQL from Vitess. A security vulnerability exists in Vitess versions prior to 16.0.1 that stems from an error message received by anyone attempting to view keyspaces from VTAdmin...

K96003129: Intel CPU vulnerability CVE-2020-24489

Security Advisory Description Incomplete cleanup in some IntelR VT-d products may allow an authenticated user to potentially enable escalation of privilege via local access. CVE-2020-24489 Impact There is no impact; F5 products are not affected by this vulnerability. Security Advisory Status F5...

K03310902: Multiple Linux vulnerabilities CVE-2020-8647,CVE-2020-8648, CVE-2020-8649

Security Advisory Description CVE-2020-8647 There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vcdoresize function in drivers/tty/vt/vt.c. CVE-2020-8648 There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the nttyreceivebufcommon function in...

kernel: iommu/vt-d: Clean up si_domain in the init_dmars() error path

A memory leak flaw was found in the Linux kernel's Intel VT-d IOMMU driver in the initialization error path. A local user can trigger this issue when the initdmars function fails during IOMMU setup, causing the sidomain memory to remain allocated without being freed. This results in a permanent...

SUSE CVE-2005-3257

The VT implementation vtioctl.c in Linux kernel 2.6.12, and possibly other versions including 2.6.14.4, allows local users to use the KDSKBSENT ioctl on terminals of other users and gain privileges, as demonstrated by modifying key bindings using loadkeys...

SUSE CVE-2020-24489

Incomplete cleanup in some IntelR VT-d products may allow an authenticated user to potentially enable escalation of privilege via local access...

SUSE CVE-2020-28974

A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KDFONTOPCOPY in drivers/tty/vt/vt.c can be used for manipulations such as font height...

SUSE CVE-2020-36558

A race condition in the Linux kernel before 5.5.7 involving VTRESIZEX could lead to a NULL pointer dereference and general protection fault...

SUSE CVE-2022-26357

race in VT-d domain ID cleanup Xen domain IDs are up to 15 bits wide. VT-d hardware may allow for only less than 15 bits to hold a domain ID associating a physical device with a particular domain. Therefore internally Xen domain IDs are mapped to the smaller value range. The cleaning up of the...