CVE-2020-29373 | BDVDB-2026-145235 Detail

Description#

An issue was discovered in fs/io_uring.c in the Linux kernel before 5.6. It unsafely handles the root directory during path lookups, and thus a process inside a mount namespace can escape to unintended filesystem locations, aka CID-ff002b30181d.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ff002b30181d30cdfbca316dadd099c3ca0d739c
https://bugs.chromium.org/p/project-zero/issues/detail?id=2011

Exploit#

No public exploit known

History#

Version 12020-11-28Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.