5.5

CVE-2024-42255

tpm: Use auth only after NULL check in tpm_buf_check_hmac_response()

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

tpm: Use auth only after NULL check in tpm_buf_check_hmac_response()

Dereference auth after NULL check in tpm_buf_check_hmac_response().
Otherwise, unless tpm2_sessions_init() was called, a call can cause NULL
dereference, when TCG_TPM2_HMAC is enabled.

[jarkko: adjusted the commit message.]
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version 6.10 Update -
Linux ≫ Linux Kernel Version 6.10 Update rc1
Linux ≫ Linux Kernel Version 6.10 Update rc2
Linux ≫ Linux Kernel Version 6.10 Update rc3
Linux ≫ Linux Kernel Version 6.10 Update rc4
Linux ≫ Linux Kernel Version 6.10 Update rc5
Linux ≫ Linux Kernel Version 6.10 Update rc6
Linux ≫ Linux Kernel Version 6.10 Update rc7
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.18% 0.079
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/7dc357d343f134bf59815ff6098b93503ec8a23b
Patch
https://git.kernel.org/stable/c/b9afbb9a0c734197c59c43610071041044bf1562
Patch