CVE-2020-25578

In FreeBSD 12.2-STABLE before r368969, 11.4-STABLE before r369047, 12.2-RELEASE before p3, 12.1-RELEASE before p13 and 11.4-RELEASE before p7 several file systems were not properly initializing the doff field of the dirent structures returned by VOPREADDIR. In particular, tmpfs5, smbfs5, autofs5...

Design/Logic Flaw

In FreeBSD 12.2-STABLE before r368969, 11.4-STABLE before r369047, 12.2-RELEASE before p3, 12.1-RELEASE before p13 and 11.4-RELEASE before p7 several file systems were not properly initializing the doff field of the dirent structures returned by VOPREADDIR. In particular, tmpfs5, smbfs5, autofs5...

CVE-2020-25578

In FreeBSD 12.2-STABLE before r368969, 11.4-STABLE before r369047, 12.2-RELEASE before p3, 12.1-RELEASE before p13 and 11.4-RELEASE before p7 several file systems were not properly initializing the doff field of the dirent structures returned by VOPREADDIR. In particular, tmpfs5, smbfs5, autofs5...

Unspecified vulnerability in Linux kernel (CNVD-2021-24272)

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 Linux kernel 5.11.8 and earlier versions that allows userspace to write data directly to the kernel stack frame. No details of the...

CVE-2021-28972

In drivers/pci/hotplug/rpadlparsysfs.c in the Linux kernel through 5.11.8, the RPA PCI Hotplug driver has a user-tolerable buffer overflow when writing a new device name to the driver from userspace, allowing userspace to write data to the kernel stack frame directly. This occurs because...

Buffer overflow

In drivers/pci/hotplug/rpadlparsysfs.c in the Linux kernel through 5.11.8, the RPA PCI Hotplug driver has a user-tolerable buffer overflow when writing a new device name to the driver from userspace, allowing userspace to write data to the kernel stack frame directly. This occurs because...

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 Linux kernel 5.11.8 and earlier versions that allows userspace to write data directly to the kernel stack frame. No details of the...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9086)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9086 advisory. - xen-blkback: fix error handling in xenblkbkmap Jan Beulich Orabug: 32492109 CVE-2021-26930 - xen-scsiback: dont 'handle' error by BUG Jan Beulich...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2021-9084)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9084 advisory. - ovl: verify permissions in ovlpathopen Miklos Szeredi Orabug: 32435220 CVE-2020-16120 - ovl: switch to mounter creds in readdir Miklos Szeredi Orabug...

Oracle Linux 7 : Unbreakable Enterprise kernel-container (ELSA-2021-9087)

The remote Oracle Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-9087 advisory. - ovl: verify permissions in ovlpathopen Miklos Szeredi Orabug: 32435220 CVE-2020-16120 - ovl: switch to mounter creds in readdir Miklos Szeredi Orabug...

Updated veracrypt package fixes a security vulnerability

IDRIX, Truecrypt Veracrypt, Truecrypt Prior to 1.23-Hotfix-1 Veracrypt, all versions Truecrypt is affected by a Buffer Overflow that can lead to information disclosure of kernel stack through a locally executed code with IOCTL request to driver CVE-2019-1010208...

MGASA-2021-0088 Updated veracrypt package fixes a security vulnerability

IDRIX, Truecrypt Veracrypt, Truecrypt Prior to 1.23-Hotfix-1 Veracrypt, all versions Truecrypt is affected by a Buffer Overflow that can lead to information disclosure of kernel stack through a locally executed code with IOCTL request to driver CVE-2019-1010208...

Fedora 33 : kernel (2021-879c756377)

The remote Fedora 33 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-879c756377 advisory. - An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local...

Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.10.12 and fixes at least the following security issues: fs/nfsd/nfs3xdr.c in the Linux kernel through 5.10.8, when there is an NFS export of a subdirectory of a filesystem, allows remote attackers to traverse to other parts of the filesystem via READDIRPL...

CVE-2021-3347

An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458...

FreeBSD-SA-21:01.fsdisclosure

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-21:01.fsdisclosure Security Advisory The FreeBSD Project Topic: Uninitialized kernel stack leaks in several file systems Category: core Module: fs Announced:...

FreeBSD -- Uninitialized kernel stack leaks in several file systems

Problem Description: Several file systems were not properly initializing the doff field of the dirent structures returned by VOPREADDIR. In particular, tmpfs5, smbfs5, autofs5 and mqueuefs5 were failing to do so. As a result, eight uninitialized kernel stack bytes may be leaked to userspace by...

FreeBSD : FreeBSD -- Uninitialized kernel stack leaks in several file systems (a9c6e9be-61fb-11eb-b87a-901b0ef719ab)

Several file systems were not properly initializing the doff field of the dirent structures returned by VOPREADDIR. In particular, tmpfs5, smbfs5, autofs5 and mqueuefs5 were failing to do so. As a result, eight uninitialized kernel stack bytes may be leaked to userspace by these file systems. Thi...

Information Disclosure

kernel is vulnerable to information disclosure.It incorrectly writes to the /proc/sys/vm/cmmtimeout file.This flaw allows to local user see the kernel stack information leak on s390/s390x...

kernel: kernel stack information leak on s390/s390x

A stack information leak flaw was found in s390/s390x in the Linux kernel’s memory manager functionality, where it incorrectly writes to the /proc/sys/vm/cmmtimeout file. This flaw allows a local user to see the kernel data...