CVE-2022-20409 json
In io_identity_cow of io_uring.c, there is a possible way to corrupt memory due to a use after free.
published 2022-10-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-25669
- cvss
- 6.7
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
In io_identity_cow of io_uring.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-238177383References: Upstream kernel
Patch / fix
- linux Debian 14, Debian 13, Debian 12 5.14.6-1
debian advisories DEBIAN-CVE-2022-20409
Exploit prediction
0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- n/a Android
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
git.kernel.org
/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=2ee0cab11f6626071f8a64c7792406dabdd94c8d
mailing-list, patch, third-party-advisory
-
source.android.com
/security/bulletin/2022-10-01
patch, vendor-advisory
Sources
- CVE List CVE-2022-20409
- NVD CVE-2022-20409
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.