NULL pointer dereference in Linux
CVE-2024-42255
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.]
EPSS: 0.002 (8.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions 7ca110f2679b7d1f3ac1afc90e6ffbf0af3edf0d, 6.10, 0
- Linux Linux_kernel — versions 6.10
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2024-42255?
- CVE-2024-42255 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2024-08-08.
- How severe is CVE-2024-42255?
- Medium severity. CVSS v3 base score is 5.5 out of 10.