Unrated severityNVD Advisory· Published Mar 3, 2022· Updated Nov 3, 2025
CVE-2021-38578
CVE-2021-38578
Description
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
Affected products
36- osv-coords35 versionspkg:rpm/almalinux/edk2-aarch64pkg:rpm/almalinux/edk2-ovmfpkg:rpm/almalinux/edk2-toolspkg:rpm/almalinux/edk2-tools-docpkg:rpm/opensuse/ovmf&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/ovmf&distro=openSUSE%20Leap%20Micro%205.3pkg:rpm/opensuse/ovmf&distro=openSUSE%20Tumbleweedpkg:rpm/suse/ovmf&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/ovmf&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP3pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-ESPOSpkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/ovmf&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/ovmf&distro=SUSE%20Manager%20Proxy%204.2pkg:rpm/suse/ovmf&distro=SUSE%20Manager%20Server%204.2pkg:rpm/suse/ovmf&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/ovmf&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 20221207gitfff6d81270b5-9.el9_2+ 34 more
- (no CPE)range: < 20221207gitfff6d81270b5-9.el9_2
- (no CPE)range: < 20221207gitfff6d81270b5-9.el9_2
- (no CPE)range: < 20221207gitfff6d81270b5-9.el9_2
- (no CPE)range: < 20221207gitfff6d81270b5-9.el9_2
- (no CPE)range: < 202202-150400.5.10.1
- (no CPE)range: < 202202-150400.5.10.1
- (no CPE)range: < 202211-1.1
- (no CPE)range: < 201911-150200.7.27.1
- (no CPE)range: < 202008-150300.10.20.1
- (no CPE)range: < 2017+git1510945757.b2662641d5-150000.5.46.1
- (no CPE)range: < 201911-150200.7.27.1
- (no CPE)range: < 202008-150300.10.20.1
- (no CPE)range: < 202008-150300.10.20.1
- (no CPE)range: < 202008-150300.10.20.1
- (no CPE)range: < 202008-150300.10.20.1
- (no CPE)range: < 202202-150400.5.10.1
- (no CPE)range: < 202202-150400.5.10.1
- (no CPE)range: < 202202-150400.5.10.1
- (no CPE)range: < 202008-150300.10.20.1
- (no CPE)range: < 2015+git1462940744.321151f-19.26.1
- (no CPE)range: < 2017+git1510945757.b2662641d5-3.41.2
- (no CPE)range: < 2017+git1510945757.b2662641d5-3.41.2
- (no CPE)range: < 2017+git1510945757.b2662641d5-3.41.2
- (no CPE)range: < 2017+git1510945757.b2662641d5-150000.5.46.1
- (no CPE)range: < 201911-150200.7.27.1
- (no CPE)range: < 202008-150300.10.20.1
- (no CPE)range: < 2017+git1510945757.b2662641d5-3.41.2
- (no CPE)range: < 2017+git1510945757.b2662641d5-3.41.2
- (no CPE)range: < 2017+git1510945757.b2662641d5-150000.5.46.1
- (no CPE)range: < 201911-150200.7.27.1
- (no CPE)range: < 202008-150300.10.20.1
- (no CPE)range: < 202008-150300.10.20.1
- (no CPE)range: < 202008-150300.10.20.1
- (no CPE)range: < 2017+git1510945757.b2662641d5-3.41.2
- (no CPE)range: < 2017+git1510945757.b2662641d5-3.41.2
- TianoCore/EDK IIv5Range: edk2-stable202208
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- bugzilla.tianocore.org/show_bug.cgimitrex_refsource_MISC
- www.insyde.com/security-pledge/SA-2023024mitre
News mentions
0No linked articles in our index yet.