CVE-2022-29582
HIGHCVSS 7/10EPSS 0.77%
Last modified
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.10.111 |
| Linux | Linux Kernel | >= 5.11, < 5.15.34 |
| Linux | Linux Kernel | >= 5.16, < 5.16.20 |
| Linux | Linux Kernel | >= 5.17, < 5.17.3 |
| Debian | Debian Linux | 11.0 |
References
- https://www.openwall.com/lists/oss-security/2022/04/22/4Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/08/3Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2024/04/24/3Mailing List, Patch, Third Party Advisory
- 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
- https://www.openwall.com/lists/oss-security/2022/04/22/4Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/08/3Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2024/04/24/3Mailing List, Patch, Third Party Advisory
- 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
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2022-29582?
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.
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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