CVE-2018-12182
Insufficient memory write check in SMM service for EDK II may allow an authenticated user to...
Insufficient memory write check in SMM service for EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
6.7
Insufficient memory write check in SMM service for EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.
- Record
CVE-2018-12182- CVSS 3.0
- 6.7 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-441
- Updated
- 2026-11-02
CVE List No score
Insufficient memory write check in SMM service for EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.
- Record
CVE-2018-12182- Updated
- 2026-11-02
EUVDEUVD-2018-4160 No score
Insufficient memory write check in SMM service for EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.
- Record
EUVD-2018-4160- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rq43-vgrv-48m9
6.7
Insufficient memory write check in SMM service for EDK II may allow an authenticated user to...
Insufficient memory write check in SMM service for EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.
- Record
GHSA-rq43-vgrv-48m9- CVSS 3.0
- 6.7 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-441
- Updated
- 2026-11-02
OSVBELL-CVE-2018-12182
6.7
CVE-2018-12182 does not affect BellSoft software
- Record
BELL-CVE-2018-12182- CVSS 3.0
- 6.7 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-12182
6.7
Insufficient memory write check in SMM service for EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.
- Record
UBUNTU-CVE-2018-12182- CVSS 3.0
- 6.7 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVMGASA-2021-0035 No score
Updated edk2 packages fix multiples security vulnerabilities
Improper configuration in system firmware for EDK II may allow unauthenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access. (CVE-2018-12179).
Insufficient memory write check in SMM service for EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access. (CVE-2018-12182).
Stack overflow in DxeCore for EDK II may allow an unauthenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access. (CVE-2018-12183).
Buffer overflow in system firmware for EDK II may allow unauthenticated user to potentially enable escalation of privilege and/or denial of service via network access. (CVE-2019-0160).
Stack overflow in XHCI for EDK II may allow an unauthenticated user to potentially enable denial of service via local access. (CVE-2019-0161).
Improper authentication in EDK II may allow a privileged user to potentially enable information disclosure via network access. (CVE-2019-14553).
Insufficient control flow management in BIOS firmware for 8th, 9th, 10th Generation Intel(R) Core(TM), Intel(R) Celeron(R) Processor 4000 & 5000 Series Processors may allow an authenticated user to potentially enable denial of service via adjacent access. (CVE-2019-14558).
Uncontrolled resource consumption in EDK II may allow an unauthenticated user to potentially enable denial of service via network access. (CVE-2019-14559).
Integer truncation in EDK II may allow an authenticated user to potentially enable escalation of privilege via local access. (CVE-2019-14563).
Logic issue in DxeImageVerificationHandler() for EDK II may allow an authenticated user to potentially enable escalation of privilege via local access. (CVE-2019-14575).
EDK II incorrectly parsed signed PKCS #7 data. An attacker could use this issue to cause EDK II to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2019-14584).
Use after free vulnerability in EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via adjacent access. (CVE-2019-14586).
Logic issue EDK II may allow an unauthenticated user to potentially enable denial of service via adjacent access. (CVE-2019-14587).
Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access. (CVE-2019-14562).
- Record
MGASA-2021-0035- Updated
- 2026-11-02
OSVUSN-6920-1 No score
edk2 vulnerabilities
It was discovered that EDK II was not properly performing bounds checks in Tianocompress, which could lead to a buffer overflow. An authenticated user could use this issue to potentially escalate their privileges via local access. (CVE-2017-5731)
It was discovered that EDK II had an insufficient memory write check in the SMM service, which could lead to a page fault occurring. An authenticated user could use this issue to potentially escalate their privileges, disclose information and/or create a denial of service via local access. (CVE-2018-12182)
It was discovered that EDK II incorrectly handled memory in DxeCore, which could lead to a stack overflow. An unauthenticated user could this issue to potentially escalate their privileges, disclose information and/or create a denial of service via local access. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-12183)
It was discovered that EDK II incorrectly handled memory in the Variable service under certain circumstances. An authenticated user could use this issue to potentially escalate their privileges, disclose information and/or create a denial of service via local access. (CVE-2018-3613)
It was discovered that EDK II incorrectly handled memory in its system firmware, which could lead to a buffer overflow. An unauthenticated user could use this issue to potentially escalate their privileges and/or create a denial of service via network access. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-0160)
- Record
USN-6920-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
edk2Mageia:7 From an advisory covering 14 CVEs |
before 20201127stable-1.mga7 | 20201127stable-1.mga7 |
edk2Ubuntu:Pro:16.04:LTS |
before 0~20160408.ffea0a2c-2ubuntu0.2+esm1, plus listed versions 0~20150106.5c2d456b-20~20160104.c2a892d7-10~20160408.ffea0a2c-20~20160408.ffea0a2c-2ubuntu0.10~20160408.ffea0a2c-2ubuntu0.2 |
0~20160408.ffea0a2c-2ubuntu0.2+esm1 |
edk2Ubuntu:Pro:18.04:LTS |
before 0~20180205.c0d9813c-2ubuntu0.3+esm1, plus listed versions 0~20170911.5dfba97c-10~20171010.234dbcef-10~20171027.76fd5a66-10~20171205.a9212288-10~20180105.0bc94c74-1 Show 5 moreShow less0~20180205.c0d9813c-10~20180205.c0d9813c-20~20180205.c0d9813c-2ubuntu0.10~20180205.c0d9813c-2ubuntu0.20~20180205.c0d9813c-2ubuntu0.3 |
0~20180205.c0d9813c-2ubuntu0.3+esm1 |
edk2Ubuntu:Pro:16.04:LTS From an advisory covering 5 CVEs |
before 0~20160408.ffea0a2c-2ubuntu0.2+esm1, plus listed versions 0~20150106.5c2d456b-20~20160104.c2a892d7-10~20160408.ffea0a2c-20~20160408.ffea0a2c-2ubuntu0.10~20160408.ffea0a2c-2ubuntu0.2 |
0~20160408.ffea0a2c-2ubuntu0.2+esm1 |
edk2Ubuntu:Pro:18.04:LTS From an advisory covering 5 CVEs |
before 0~20180205.c0d9813c-2ubuntu0.3+esm1, plus listed versions 0~20170911.5dfba97c-10~20171010.234dbcef-10~20171027.76fd5a66-10~20171205.a9212288-10~20180105.0bc94c74-1 Show 5 moreShow less0~20180205.c0d9813c-10~20180205.c0d9813c-20~20180205.c0d9813c-2ubuntu0.10~20180205.c0d9813c-2ubuntu0.20~20180205.c0d9813c-2ubuntu0.3 |
0~20180205.c0d9813c-2ubuntu0.3+esm1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-12182 is a medium vulnerability (CVSS 6.7) in Tianocore Edk Ii, published March 27, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. Fixed in edk2 0~20160408.ffea0a2c-2ubuntu0.2+esm1.
References
edk2-docs.gitbooks.io/security-advisory/content/sw-smi-confused-deputy-smramsavestate_c.html
securityfocus.com/bid/107648
support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQYVZRFEXSN3KS43AVH4D7QX553EZQYP
nvd.nist.gov/vuln/detail/CVE-2018-12182
lists.fedoraproject.org/archives/list/[email protected]/message/TQYVZRFEXSN3KS43AVH4D7QX553EZQYP
Show 17 moreShow less
github.com/advisories/GHSA-rq43-vgrv-48m9
docs.bell-sw.com/security/cves/CVE-2018-12182
advisories.mageia.org/MGASA-2021-0035.html
bugs.mageia.org/show_bug.cgi?id=25939
lists.fedoraproject.org/archives/list/[email protected]/thread/TQYVZRFEXSN3KS43AVH4D7QX553EZQYP
access.redhat.com/errata/RHSA-2020:1712
usn.ubuntu.com/4349-1
lists.fedoraproject.org/archives/list/[email protected]/thread/A23OH3MXQU7WURSP4PC66EXMG6INYFH6
ubuntu.com/security/notices/USN-4684-1
github.com/tianocore/edk2/releases
ubuntu.com/security/CVE-2018-12182
cve.org/CVERecord?id=CVE-2018-12182
ubuntu.com/security/notices/USN-6920-1
ubuntu.com/security/CVE-2017-5731
ubuntu.com/security/CVE-2018-3613
ubuntu.com/security/CVE-2018-12183
ubuntu.com/security/CVE-2019-0160