The vulnerability of the _copy_from_user() function in the lib/usercopy.c module of the Linux kernel allows a hacker to disclose protected information.

The vulnerability of the copyfromuser function in the lib/usercopy.c module of the Linux kernel is related to the characteristics of the branch prediction module’s operation. Exploiting this vulnerability allows an attacker to gain access to protected memory from a program that does not have the...

SUSE CVE-2021-30002

An issue was discovered in the Linux kernel before 5.11.3 when a webcam device exists. videousercopy in drivers/media/v4l2-core/v4l2-ioctl.c has a memory leak for large arguments, aka CID-fb18802a338b...

PT-2024-14698

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.2.0-rc7-syzkaller-17907-g2d3827b3f393 Description The vulnerability is related to a kernel memory exposure attempt detected from the SLUB object 'skbuff head cache' in the Linux kernel. The issue occurs when th...

kernel: memory leak for large arguments in video_usercopy function in drivers/media/v4l2-core/v4l2-ioctl.c

A flaw memory leak in the Linux kernel webcam device functionality was found in the way user calls ioctl that triggers videousercopy function. The highest threat from this vulnerability is to system availability...

kernel: memory leak for large arguments in video_usercopy function in drivers/media/v4l2-core/v4l2-ioctl.c

A flaw memory leak in the Linux kernel webcam device functionality was found in the way user calls ioctl that triggers videousercopy function. The highest threat from this vulnerability is to system availability...

kernel: drm/vmwgfx: Fix stale file descriptors on failed usercopy

A use-after-free vulnerability has been identified in the Linux kernel's VMware graphics driver vmwgfx driver. This flaw occurs during the usercopy operation for the fencerep object. If this operation fails, it can leave a stale dangling file descriptor in the system's file descriptor table. This...

PT-2024-9248

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the drm/vmwgfx component of the Linux kernel, where a failing usercopy of the fence rep object leads to a stale entry in the file descriptor table. This allows...

SUSE SLES15 Security Update : kernel (Live Patch 1 for SLE 15 SP3) (SUSE-SU-2022:1246-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:1246-1 advisory. - In aiopollcompletework of aio.c, there is a possible memory corruption due to a use after free. This could lead to local escalati...

SUSE-SU-2022:1223-1 Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-1503005946 fixes several issues. The following security issues were fixed: - CVE-2022-27666: Fixed a buffer overflow vulnerability in IPsec ESP transformation code. This flaw allowed a local attacker with a normal user privilege to overwrite kernel heap...

RHEL 7 : kpatch-patch (RHSA-2022:1373)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:1373 advisory. This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel...

kernel: failing usercopy allows for use-after-free exploitation

A use-after-free flaw was found in the Linux kernel’s vmwexecbufcopyfenceuser function in drivers/gpu/drm/vmwgfx/vmwgfxexecbuf.c in vmwgfx. This flaw allows a local attacker with user privileges to cause a privilege escalation problem...

PT-2025-7995 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been identified, specifically related to the virt addr valid function on 64-bit Book3E and 32-bit systems. The issue arises because pa returns 0...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.6 Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update Support, and Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

RHEL 7 : kernel (RHSA-2022:1107)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:1107 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Use After Free in unixgc which...

Important: Red Hat Security Advisory: kpatch-patch-4_18_0-147_58_1 security and bug fix update

An update for kpatch-patch-4180-147581 is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severi...

kernel: failing usercopy allows for use-after-free exploitation

A use-after-free flaw was found in the Linux kernel’s vmwexecbufcopyfenceuser function in drivers/gpu/drm/vmwgfx/vmwgfxexecbuf.c in vmwgfx. This flaw allows a local attacker with user privileges to cause a privilege escalation problem...

RHEL 8 : kpatch-patch (RHSA-2022:0849)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:0849 advisory. This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel...

kernel: failing usercopy allows for use-after-free exploitation

A use-after-free flaw was found in the Linux kernel’s vmwexecbufcopyfenceuser function in drivers/gpu/drm/vmwgfx/vmwgfxexecbuf.c in vmwgfx. This flaw allows a local attacker with user privileges to cause a privilege escalation problem...

Important: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

kernel: failing usercopy allows for use-after-free exploitation

A use-after-free flaw was found in the Linux kernel’s vmwexecbufcopyfenceuser function in drivers/gpu/drm/vmwgfx/vmwgfxexecbuf.c in vmwgfx. This flaw allows a local attacker with user privileges to cause a privilege escalation problem...