CVE-2022-40761

Description

The function tee_obj_free in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_AllocateOperation with a disturbed heap layout, related to utee_cryp_obj_alloc.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.42%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/tee/tee_svc_cryp.c#L1248 third party advisory patch
https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/tee/tee_obj.c#L109 third party advisory patch
https://github.com/Samsung/mTower/issues/83 third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-40761?
CVE-2022-40761 has been scored as a high severity vulnerability.
How to fix CVE-2022-40761?
To fix CVE-2022-40761, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-40761 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-40761 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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