kernel-packages team mailing list archive

[Steve Beattie <sbeattie@xxxxxxxxxx>]

** Description changed:

- http://www.openwall.com/lists/oss-security/2015/12/23/5
- 
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=acff81ec2c79492b180fade3c2894425cd35a545
- 
- This allows unprivileged users to change attributes on root-owned files.
+ The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel
+ through 4.3.3 attempts to merge distinct setattr operations, which
+ allows local users to bypass intended access restrictions and modify the
+ attributes of arbitrary overlay files via a crafted application.

-- 
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Packages, which is subscribed to linux-armadaxp in Ubuntu.
https://bugs.launchpad.net/bugs/1528904

Title:
  overlay setattr vulnerability

Status in linux package in Ubuntu:
  Triaged
Status in linux-armadaxp package in Ubuntu:
  New
Status in linux-flo package in Ubuntu:
  New
Status in linux-goldfish package in Ubuntu:
  New
Status in linux-lts-quantal package in Ubuntu:
  New
Status in linux-lts-raring package in Ubuntu:
  New
Status in linux-lts-saucy package in Ubuntu:
  New
Status in linux-lts-trusty package in Ubuntu:
  New
Status in linux-lts-utopic package in Ubuntu:
  New
Status in linux-lts-vivid package in Ubuntu:
  New
Status in linux-lts-wily package in Ubuntu:
  New
Status in linux-mako package in Ubuntu:
  New
Status in linux-manta package in Ubuntu:
  New
Status in linux-raspi2 package in Ubuntu:
  New
Status in linux-ti-omap4 package in Ubuntu:
  New

Bug description:
  The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel
  through 4.3.3 attempts to merge distinct setattr operations, which
  allows local users to bypass intended access restrictions and modify
  the attributes of arbitrary overlay files via a crafted application.

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