CVE-2022-29582
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.8% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.8% in the next 30 days (EPSS).
- Severity: 7.0 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.8% · EPSS, next 30 days
- Weakness
- CWE-362 · Race condition
- Record status
- Analyzed
Affected
- Linux Kernel < 5.10.111
- Linux Kernel < 5.15.34
- Linux Kernel < 5.16.20
- Linux Kernel < 5.17.3
- Debian Linux 11.0
Attack profile CVSS 3.1 · 7.0
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-29582.md and follow it. Check whether this project is affected by CVE-2022-29582. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openwall.com/lists/oss-security/2024/04/24/3
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646
- https://github.com/torvalds/linux/commit/e677edbcabee849bfdd43f1602bccbecf736a646
- http://www.openwall.com/lists/oss-security/2024/04/24/3
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646
- https://github.com/torvalds/linux/commit/e677edbcabee849bfdd43f1602bccbecf736a646
References
- http://www.openwall.com/lists/oss-security/2022/04/22/4
- http://www.openwall.com/lists/oss-security/2022/08/08/3
- http://www.openwall.com/lists/oss-security/2024/04/24/3
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646
- https://github.com/Ruia-ruia/CVE-2022-29582-Exploit
- https://github.com/torvalds/linux/commit/e677edbcabee849bfdd43f1602bccbecf736a646
- https://ruia-ruia.github.io/2022/08/05/CVE-2022-29582-io-uring/
- https://www.debian.org/security/2022/dsa-5127
- https://www.openwall.com/lists/oss-security/2022/04/22/3
- http://www.openwall.com/lists/oss-security/2022/04/22/4
- http://www.openwall.com/lists/oss-security/2022/08/08/3
- http://www.openwall.com/lists/oss-security/2024/04/24/3
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646
- https://github.com/Ruia-ruia/CVE-2022-29582-Exploit
- https://github.com/torvalds/linux/commit/e677edbcabee849bfdd43f1602bccbecf736a646
- https://ruia-ruia.github.io/2022/08/05/CVE-2022-29582-io-uring/
- https://www.debian.org/security/2022/dsa-5127
- https://www.openwall.com/lists/oss-security/2022/04/22/3