In the Linux kernel before 5.17.3, fs/io_uring.c has a use-after-free due to a race…
Priority LOW 32CWE-362Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00766 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-29582
- 2026-10-03 Alias added: GHSA-52p4-cqpv-xm5j
References
Patch 3
- https://github.com/torvalds/linux/commit/e677edbcabee849bfdd43f1602bccbecf736a646
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646
- [oss-security] 20240424 CVE-2024-0582 - Linux kernel use-after-free vulnerability in io_uring, writeup and exploit strategy
Advisory 6
- https://www.openwall.com/lists/oss-security/2022/04/22/3
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3
- [oss-security] 20220422 Re: Linux: UaF due to concurrency issue in io_uring timeouts
- DSA-5127
- [oss-security] 20220808 Re: Linux: UaF due to concurrency issue in io_uring timeouts
- https://github.com/Ruia-ruia/CVE-2022-29582-Exploit
Sources
- CVE-2022-29582 · CVE Program
- CVE-2022-29582 · NVD
- FIRST EPSS
- GHSA-52p4-cqpv-xm5j · GitHub Advisory Database · CC BY 4.0
- CVE-2022-29582 · Red Hat security data · CC BY 4.0
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