Microsoft security update for CVE-2021-44733 — CBL Mariner
🔗 CVE IDs covered (1)
📋 Microsoft's advisory
EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-44733. This page also shows what EchelonGraph holds for CVE-2021-44733, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.
🎯 Affected products4
- CBL Mariner 1.0 ARM
- CBL Mariner 1.0 x64
- CBL Mariner 2.0 ARM
- CBL Mariner 2.0 x64
✅ Updates Microsoft lists: 2 updates
2 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.
| KB article | Update | Fixed build |
|---|---|---|
| — | CBL-Mariner | 5.10.89.1-2 |
| — | CBL-Mariner | 5.15.18.1-1 |
🧭 EchelonGraph on CVE-2021-44733
- EchelonGraph score
- 7.0 HIGH
- CISA KEV
- Not listed
- Fix status
- A fix is available — apply it.
Description from the CVE record (CVE.org), as published by its numbering authority
A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object.
Published by MITRE Corporation, the CVE Numbering Authority that assigned CVE-2021-44733, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).