{"id":"CVE-2021-0938","aliases":["A-171418586","DEBIAN-CVE-2021-0938","EUVD-2021-3557","GHSA-rp85-q33q-7f7m","OESA-2021-1433","PUB-A-171418586","UBUNTU-CVE-2021-0938"],"status":"published","title":"In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to...","description":"In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-171418586References: Upstream 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Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0938","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-rp85-q33q-7f7m"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-0938","tags":["advisory"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1433","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3772","tags":["advisory"]},{"url":"https://source.android.com/security/bulletin/2021-10-01","tags":["advisory"]},{"url":"http://android.googlesource.com/kernel/common/+/b207caff4176","tags":["fix"]},{"url":"https://ubuntu.com/security/CVE-2021-0938","tags":["report"]},{"url":"https://git.kernel.org/linus/3347acc6fcd4ee71ad18a9ff9d9dac176b517329","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-0938","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-0938","description":"In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-171418586References: Upstream kernel","status":"published","published":"2021-10-25T13:20:39Z","modified":"2024-08-03T15:55:18.271Z","updated_at":"2026-11-02T14:33:10.555814Z"}],"euvd":[{"id":"EUVD-2021-3557","description":"In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-171418586References: Upstream kernel","status":"published","published":"2021-10-25T13:20:39Z","modified":"2024-08-03T15:55:18Z","updated_at":"2026-11-03T03:25:16.085901Z"}],"ghsa":[{"id":"GHSA-rp85-q33q-7f7m","title":"In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to...","description":"In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-171418586References: Upstream kernel","status":"published","published":"2022-05-24T19:18:45Z","modified":"2023-01-30T05:03:00Z","cwes":["CWE-908"],"updated_at":"2026-11-02T14:46:45.069338Z"}],"nvd":[{"id":"CVE-2021-0938","description":"In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-171418586References: Upstream kernel","status":"published","published":"2021-10-25T14:15:09.76Z","modified":"2026-06-17T03:30:41.38Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-908"],"updated_at":"2026-11-02T14:07:00.137719Z"}],"osv":[{"id":"CVE-2021-0938","description":"In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-171418586References: Upstream kernel","status":"published","published":"2021-10-25T14:15:09Z","modified":"2026-04-10T04:26:14.286266Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:17.663289Z"},{"id":"DEBIAN-CVE-2021-0938","description":"In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. 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This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-171418586References: Upstream kernel(CVE-2021-0938)","status":"published","published":"2021-11-19T11:04:42Z","modified":"2026-08-18T01:15:38.523914224Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:38.987987Z"},{"id":"UBUNTU-CVE-2021-0938","description":"In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. 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