CVE-2012-6422
The kernel in Samsung Galaxy S2, Galaxy Note 2, MEIZU MX, and possibly other Android devices, when running an Exynos 4210 or 4412…
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The kernel in Samsung Galaxy S2, Galaxy Note 2, MEIZU MX, and possibly other Android devices, when running an Exynos 4210 or 4412 processor, uses weak permissions (0666) for /dev/exynos-mem, which allows attackers to read or write arbitrary physical memory and gain privileges via a crafted application, as demonstrated by ExynosAbuse.
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 15.1% · top 3.2% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Weakness
Affected products
n/a
- affected n/a
References (7)
- http://www.securityweek.com/new-vulnerability-exposed-samsungs-android-devices (opens in a new tab)x_refsource_MISCx_transferred
- http://project-voodoo.org/articles/instant-fix-app-for-exynos-mem-abuse-vulnerability-no-root-required-reversible (opens in a new tab)x_refsource_MISCx_transferred
- http://forum.xda-developers.com/showthread.php?p=35469999 (opens in a new tab)x_refsource_MISCx_transferred
- http://arstechnica.com/security/2012/12/developer-warns-of-critical-vulnerability-in-many-samsung-smartphones/ (opens in a new tab)x_refsource_MISCx_transferred
- http://forum.xda-developers.com/showthread.php?t=2051290 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.sammobile.com/2012/12/16/major-vulnerability-found-on-exynos-4-devices/ (opens in a new tab)x_refsource_MISCx_transferred
- 88467 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-6422)Record last updated .