Medium severity6.2NVD Advisory· Published Feb 18, 2022· Updated Jun 17, 2026
CVE-2022-23645
CVE-2022-23645
Description
swtpm is a libtpms-based TPM emulator with socket, character device, and Linux CUSE interface. Versions prior to 0.5.3, 0.6.2, and 0.7.1 are vulnerable to out-of-bounds read. A specially crafted header of swtpm's state, where the blobheader's hdrsize indicator has an invalid value, may cause an out-of-bounds access when the byte array representing the state of the TPM is accessed. This will likely crash swtpm or prevent it from starting since the state cannot be understood. Users should upgrade to swtpm v0.5.3, v0.6.2, or v0.7.1 to receive a patch. There are currently no known workarounds.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
16cpe:2.3:a:swtpm_project:swtpm:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:swtpm_project:swtpm:*:*:*:*:*:*:*:*range: <0.5.3
- cpe:2.3:a:swtpm_project:swtpm:0.7.0:-:*:*:*:*:*:*
- cpe:2.3:a:swtpm_project:swtpm:0.7.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:swtpm_project:swtpm:0.7.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- Range: <0.5.3, <0.6.2, <0.7.1
- osv-coords7 versionspkg:rpm/almalinux/swtpmpkg:rpm/almalinux/swtpm-libspkg:rpm/almalinux/swtpm-toolspkg:rpm/opensuse/swtpm&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/swtpm&distro=openSUSE%20Tumbleweedpkg:rpm/suse/swtpm&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/swtpm&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3
< 0.7.0-3.20211109gitb79fd91.el9+ 6 more
- (no CPE)range: < 0.7.0-3.20211109gitb79fd91.el9
- (no CPE)range: < 0.7.0-3.20211109gitb79fd91.el9
- (no CPE)range: < 0.7.0-3.20211109gitb79fd91.el9
- (no CPE)range: < 0.5.3-150300.3.3.1
- (no CPE)range: < 0.7.1-1.1
- (no CPE)range: < 0.5.3-150300.3.3.1
- (no CPE)range: < 0.5.3-150300.3.3.1
- stefanberger/swtpmv5Range: < 0.5.3
Patches
Vulnerability mechanics
References
6- github.com/stefanberger/swtpm/commit/9f740868fc36761de27df3935513bdebf8852d19nvdPatchThird Party Advisory
- github.com/stefanberger/swtpm/security/advisories/GHSA-2qgm-8xf4-3hqwnvdPatchThird Party Advisory
- github.com/stefanberger/swtpm/releases/tag/v0.5.3nvdRelease NotesThird Party Advisory
- github.com/stefanberger/swtpm/releases/tag/v0.6.2nvdRelease NotesThird Party Advisory
- github.com/stefanberger/swtpm/releases/tag/v0.7.1nvdRelease NotesThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WL735FW266GO4C2JX4CJBOIOB7R7AY5A/nvd
News mentions
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