disclosure timeline

  • 2021-04-29: first support ticket about file corruption
  • 2022-02-19: file corruption problem identified as Linux kernel bug, which turned out to be an exploitable vulnerability
  • 2022-02-20: bug report, exploit and patch sent to the Linux kernel security team
  • 2022-02-21: bug reproduced on Google Pixel 6; bug report sent to the Android Security Team
  • 2022-02-21: patch sent to LKML (without vulnerability details) as suggested by Linus Torvalds, Willy Tarreau and Al Viro
  • 2022-02-23: Linux stable releases with my bug fix (5.16.11, 5.15.25, 5.10.102)
  • 2022-02-24: Google merges my bug fix into the Android kernel
  • 2022-02-28: notified the linux-distros mailing list
  • 2022-03-07: public disclosure
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From Wikipedia, the free encyclopedia

Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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