CVE-2020-29534

State: Published
Severity: Not scored
Published: Dec 3, 2020
Updated: Aug 4, 2024
Reserved: Dec 3, 2020

Description

An issue was discovered in the Linux kernel before 5.9.3. io_uring takes a non-refcounted reference to the files_struct of the process that submitted a request, causing execve() to incorrectly optimize unshare_fd(), aka CID-0f2122045b94.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://bugs.chromium.org/p/project-zero/issues/detail?id=2089
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f2122045b946241a9e549c2a76cea54fa58a7ff
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.3

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