kernel: fs: ext4: fallocate zero range page size > block size BUG()

A flaw was found in the way the Linux kernel's ext4 file system handled the "page size block size" condition when the fallocate zero range functionality was used. A local attacker could use this flaw to crash the system...

kernel: fs: ext4: fallocate zero range page size > block size BUG()

A flaw was found in the way the Linux kernel's ext4 file system handled the "page size block size" condition when the fallocate zero range functionality was used. A local attacker could use this flaw to crash the system...

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

Updated kernel-rt packages that fix multiple security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, whic...

Ubuntu 14.04 LTS : Linux kernel (Utopic HWE) vulnerabilities (USN-2635-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2635-1 advisory. Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. ...

Ubuntu 14.04 LTS : Linux kernel (Vivid HWE) vulnerabilities (USN-2636-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2636-1 advisory. Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. ...

USN-2635-1 linux-lts-utopic vulnerabilities

Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service system crash. CVE-2015-0275 Wen Xu discovered a use-after-free flaw in the...

CVE-2015-0275

The ext4zerorange function in fs/ext4/extents.c in the Linux kernel before 4.1 allows local users to cause a denial of service BUG via a crafted fallocate zero-range request...

UBUNTU-CVE-2015-0275

The ext4zerorange function in fs/ext4/extents.c in the Linux kernel before 4.1 allows local users to cause a denial of service BUG via a crafted fallocate zero-range request...