{"id":"CVE-2012-6422","aliases":["EUVD-2012-6277","GHSA-x6p7-m2w8-2w25"],"status":"published","title":"The kernel in Samsung Galaxy S2, Galaxy Note 2, MEIZU MX, and possibly other Android devices,...","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.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.15102,"percentile":0.96757,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-264"],"published":"2012-12-18T00:00:00Z","modified":"2026-06-16T23:48:04Z","exploits":[{"source":"pocgithub","id":"wired0ut/CVE-2012-6422","title":"wired0ut/CVE-2012-6422","date":"2025-08-30","url":"https://github.com/wired0ut/CVE-2012-6422"}],"products":[{"vendor":"meizu","product":"mx"},{"vendor":"samsung","product":"galaxy_note_2"},{"vendor":"samsung","product":"galaxy_s2"}],"references":[{"url":"http://www.securityweek.com/new-vulnerability-exposed-samsungs-android-devices","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://project-voodoo.org/articles/instant-fix-app-for-exynos-mem-abuse-vulnerability-no-root-required-reversible","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://forum.xda-developers.com/showthread.php?p=35469999","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://arstechnica.com/security/2012/12/developer-warns-of-critical-vulnerability-in-many-samsung-smartphones/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://forum.xda-developers.com/showthread.php?t=2051290","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.sammobile.com/2012/12/16/major-vulnerability-found-on-exynos-4-devices/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://osvdb.org/88467","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-6422"},{"url":"http://arstechnica.com/security/2012/12/developer-warns-of-critical-vulnerability-in-many-samsung-smartphones"},{"url":"http://www.sammobile.com/2012/12/16/major-vulnerability-found-on-exynos-4-devices"},{"url":"https://github.com/advisories/GHSA-x6p7-m2w8-2w25"}],"sources":{"cve":[{"id":"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.","status":"published","published":"2012-12-18T00:00:00Z","modified":"2024-09-16T19:15:58.524Z","updated_at":"2026-11-02T14:34:51.269982Z"}],"euvd":[{"id":"EUVD-2012-6277","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.","status":"published","published":"2012-12-18T00:00:00Z","modified":"2024-09-16T19:15:58Z","updated_at":"2026-11-03T00:55:24.213258Z"}],"ghsa":[{"id":"GHSA-x6p7-m2w8-2w25","title":"The kernel in Samsung Galaxy S2, Galaxy Note 2, MEIZU MX, and possibly other Android devices,...","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.","status":"published","published":"2022-05-17T05:17:48Z","modified":"2025-04-11T04:05:39Z","updated_at":"2026-11-02T15:01:12.54248Z"}],"nvd":[{"id":"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.","status":"published","published":"2012-12-18T00:55:04.197Z","modified":"2026-06-16T23:48:04.72Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:16.958223Z"}]}}