CVE-2022-29582

Name: CVE-2022-29582
Creator: NVD / NIST
Published: 2022-04-22T16:15:09.393+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.77%

Last modified Jun 17, 2026

CVE-2022-29582 is a high-severity vulnerability rated 7/10 on the CVSS scale. In the Linux kernel before 5.17.3, fs/io_uring.c has a use-after-free due to a race condition in io_uring timeouts. This can be triggered by a local user who has no access to any user namespace; however, the race condition perhaps can only be exploited infrequently.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.

Description

In the Linux kernel before 5.17.3, fs/io_uring.c has a use-after-free due to a race condition in io_uring timeouts. This can be triggered by a local user who has no access to any user namespace; however, the race condition perhaps can only be exploited infrequently.

Metrics

CVSS 3.1

7/10

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.77%

51.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.17.3
Debian	Debian Linux	11.0

References

http://www.openwall.com/lists/oss-security/2022/04/22/4Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/08/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2024/04/24/3
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3Mailing List, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646Mailing List, Patch, Vendor Advisory
https://github.com/Ruia-ruia/CVE-2022-29582-ExploitThird Party Advisory
https://github.com/torvalds/linux/commit/e677edbcabee849bfdd43f1602bccbecf736a646Patch, Third Party Advisory
https://ruia-ruia.github.io/2022/08/05/CVE-2022-29582-io-uring/Exploit, Third Party Advisory
https://www.debian.org/security/2022/dsa-5127Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/04/22/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/04/22/4Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/08/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2024/04/24/3
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3Mailing List, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646Mailing List, Patch, Vendor Advisory
https://github.com/Ruia-ruia/CVE-2022-29582-ExploitThird Party Advisory
https://github.com/torvalds/linux/commit/e677edbcabee849bfdd43f1602bccbecf736a646Patch, Third Party Advisory
https://ruia-ruia.github.io/2022/08/05/CVE-2022-29582-io-uring/Exploit, Third Party Advisory
https://www.debian.org/security/2022/dsa-5127Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/04/22/3Mailing List, Third Party Advisory

Timeline

Published: Apr 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-29582?

How severe is CVE-2022-29582?

CVE-2022-29582 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.

How do I fix CVE-2022-29582?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-29582?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST