Executive Summary



This vulnerability is currently undergoing analysis and not all information is available. Please check back soon to view the completed vulnerability summary
Informations
Name CVE-2022-49286 First vendor Publication 2025-02-26
Vendor Cve Last vendor Modification 2025-02-26

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

In the Linux kernel, the following vulnerability has been resolved:

tpm: use try_get_ops() in tpm-space.c

As part of the series conversion to remove nested TPM operations:

https://lore.kernel.org/all/20190205224723.19671-1-jarkko.sakkinen@linux.intel.com/

exposure of the chip->tpm_mutex was removed from much of the upper level code. In this conversion, tpm2_del_space() was missed. This didn't matter much because it's usually called closely after a converted operation, so there's only a very tiny race window where the chip can be removed before the space flushing is done which causes a NULL deref on the mutex. However, there are reports of this window being hit in practice, so fix this by converting tpm2_del_space() to use tpm_try_get_ops(), which performs all the teardown checks before acquring the mutex.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-49286

Sources (Detail)

https://git.kernel.org/stable/c/476ddd23f818fb94cf86fb5617f3bb9a7c92113d
https://git.kernel.org/stable/c/5b1d2561a03e534064b51c50c774657833d3d2cf
https://git.kernel.org/stable/c/95193d12f10a8a088843b25e0f5fe1d83ec6b079
https://git.kernel.org/stable/c/ba84f9a48366dcc3cdef978599433efe101dd5bd
https://git.kernel.org/stable/c/eda1662cce964c8a65bb86321f8d9cfa6e9ceaab
https://git.kernel.org/stable/c/fb5abce6b2bb5cb3d628aaa63fa821da8c4600f9
Source Url

Alert History

If you want to see full details history, please login or register.
0
Date Informations
2025-02-26 17:20:32
  • First insertion