USN-4209-1: Linux kernel vulnerabilities

Jann Horn discovered that the OverlayFS and ShiftFS Drivers in the Linux kernel did not properly handle reference counting during memory mapping operations when used in conjunction with AUFS. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary...

USN-4208-1: Linux kernel vulnerabilities

Jann Horn discovered that the OverlayFS and ShiftFS Drivers in the Linux kernel did not properly handle reference counting during memory mapping operations when used in conjunction with AUFS. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary...

NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel-rt Multiple Vulnerabilities (NS-SA-2019-0222)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has kernel-rt packages installed that are affected by multiple vulnerabilities: - Microarchitectural Store Buffer Data Sampling MSBDS: Store buffers on some microprocessors utilizing speculative execution may allow an...

Ubuntu 19.10 - ubuntu-aufs-modified mmap_region() Breaks Refcounting in overlayfs/shiftfs Error Path

Tested on 19.10. Ubuntu's aufs kernel patch includes the following change which I interestingly can't see in the AUFS code at https://github.com/sfjro/aufs5-linux/blob/master/mm/mmap.c: ================================================================== +define vmafputvma vmadofputvma, func, LINE...

Ubuntu 19.10 - ubuntu-aufs-modified mmap_region() Breaks Refcounting in overlayfs/shiftfs Error Path

Tested on 19.10. Ubuntu's aufs kernel patch includes the following change which I interestingly can't see in the AUFS code at https://github.com/sfjro/aufs5-linux/blob/master/mm/mmap.c: ================================================================== +define vmafputvma vmadofputvma, func, LINE...

Ubuntu ubuntu-aufs-modified mmap_region() Refcounting Issue

Ubuntu: ubuntu-aufs-modified mmapregion breaks refcounting in overlayfs/shiftfs error path Tested on 19.10. Ubuntu's aufs kernel patch includes the following change which I interestingly can't see in the AUFS code at https://github.com/sfjro/aufs5-linux/blob/master/mm/mmap.c:...

UBUNTU-CVE-2019-15794

Overlayfs in the Linux kernel and shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, both replace vma-vmfile in their mmap handlers. On error the original value is not restored, and the reference is put for the file to which vmfile points. On...

CVE-2019-15794

Overlayfs in the Linux kernel and shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, both replace vma-vmfile in their mmap handlers. On error the original value is not restored, and the reference is put for the file to which vmfile points. On...

ALBA-2019:2724 container-tools:1.0 bug fix update

Bug Fixes: stream 1.0 need to revert fuse-overlayfs commit to sync with rhel8 stream BZ1720707...

container-tools:1.0 bug fix update

Bug Fixes: stream 1.0 need to revert fuse-overlayfs commit to sync with rhel8 stream BZ1720707...

CVE-2019-10140

A vulnerability was found in Linux kernel's, versions up to 3.10, implementation of overlayfs. An attacker with local access can create a denial of service situation via NULL pointer dereference in ovlposixaclcreate function in fs/overlayfs/dir.c. This can allow attackers with ability to create...

CVE-2019-10140

A vulnerability was found in Linux kernel's, versions up to 3.10, implementation of overlayfs. An attacker with local access can create a denial of service situation via NULL pointer dereference in ovlposixaclcreate function in fs/overlayfs/dir.c. This can allow attackers with ability to create...

CVE-2019-10140

A vulnerability was found in Linux kernel's, versions up to 3.10, implementation of overlayfs. An attacker with local access can create a denial of service situation via NULL pointer dereference in ovlposixaclcreate function in fs/overlayfs/dir.c. This can allow attackers with ability to create...

Null pointer dereference

A vulnerability was found in Linux kernel's, versions up to 3.10, implementation of overlayfs. An attacker with local access can create a denial of service situation via NULL pointer dereference in ovlposixaclcreate function in fs/overlayfs/dir.c. This can allow attackers with ability to create...

CVE-2019-10140

Technical details for CVE-2019-10140 are not provided in the connected documents. The initial description contains the vulnerability specifics, but no additional technical data appears here. Monitor for updates from the CNA and vendor advisories.

CVE-2019-10140

A vulnerability was found in Linux kernel's, versions up to 3.10, implementation of overlayfs. An attacker with local access can create a denial of service situation via NULL pointer dereference in ovlposixaclcreate function in fs/overlayfs/dir.c. This can allow attackers with ability to create...

CVE-2019-10140

A vulnerability was found in Linux kernel's, versions up to 3.10, implementation of overlayfs. An attacker with local access can create a denial of service situation via NULL pointer dereference in ovlposixaclcreate function in fs/overlayfs/dir.c. This can allow attackers with ability to create...

CVE-2019-10140

A vulnerability was found in Linux kernel's implementation of overlayfs. An attacker with local access can create a denial of service situation via NULL pointer dereference in ovlposixaclcreate function in fs/overlayfs/dir.c. This can allow attackers with ability to create directories on overlayf...

Unspecified vulnerability in Linux kernel (CNVD-2019-38269)

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A security vulnerability exists in the implementation of overlayfs in Linux kernel 3.10 and earlier versions. An attacker could exploit this vulnerability to cause a...

kernel: overlayfs: NULL pointer dereference in ovl_posix_acl_create function in fs/overlayfs/dir.c

A vulnerability was found in Linux kernel's implementation of overlayfs. An attacker with local access can create a denial of service situation via NULL pointer dereference in ovlposixaclcreate function in fs/overlayfs/dir.c. This can allow attackers with ability to create directories on overlayf...