Vulnerability in Linux Kernel
CVSS score
7.0
EPSS probability
%0.7
Risk score
0.1
Published
4 y ago
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Impact on My Inventory
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Vulnerability description
DayBreach CVE AI Research
CVE-2021-44733 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
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.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2021-44733 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | linux | linux kernel | View |
| 2 | linux | linux kernel | View |
| 3 | linux | linux kernel | View |
| 4 | linux | linux kernel | View |
| 5 | linux | linux kernel | View |
| 6 | redhat | enterprise linux | View |
| 7 | fedoraproject | fedora | View |
| 8 | debian | debian linux | View |
| 9 | debian | debian linux | View |
| 10 | debian | debian linux | View |
| 11 | netapp | h410c firmware | View |
| 12 | netapp | h410c | View |
| 13 | netapp | h300s firmware | View |
| 14 | netapp | h300s | View |
| 15 | netapp | h500s firmware | View |
| 16 | netapp | h500s | View |
| 17 | netapp | h700s firmware | View |
| 18 | netapp | h700s | View |
| 19 | netapp | h300e firmware | View |
| 20 | netapp | h300e | View |
| 21 | netapp | h500e firmware | View |
| 22 | netapp | h500e | View |
| 23 | netapp | h700e firmware | View |
| 24 | netapp | h700e | View |
| 25 | netapp | h410s firmware | View |
| 26 | netapp | h410s | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 7.0 | CVSS V31 | HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD |
| 4.4 | CVSS V2 | — | AV:L/AC:M/Au:N/C:P/I:P/A:P | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
CVE-2021-44733 : the database holds 1 public PoC/exploit sources for it. For direct links to the sources, open the Public Exploits tab.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-44733 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-44733 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2021-44733"