Unrated severityNVD Advisory· Published Dec 18, 2012· Updated Jun 16, 2026
CVE-2012-6422
CVE-2012-6422
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6cpe:2.3:h:samsung:galaxy_note_2:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:h:samsung:galaxy_note_2:-:*:*:*:*:*:*:*
- (no CPE)
cpe:2.3:h:samsung:galaxy_s2:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:h:samsung:galaxy_s2:-:*:*:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
7- forum.xda-developers.com/showthread.phpnvdExploit
- arstechnica.com/security/2012/12/developer-warns-of-critical-vulnerability-in-many-samsung-smartphones/nvd
- forum.xda-developers.com/showthread.phpnvd
- osvdb.org/88467nvd
- project-voodoo.org/articles/instant-fix-app-for-exynos-mem-abuse-vulnerability-no-root-required-reversiblenvd
- www.sammobile.com/2012/12/16/major-vulnerability-found-on-exynos-4-devices/nvd
- www.securityweek.com/new-vulnerability-exposed-samsungs-android-devicesnvd
News mentions
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