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CVE-2024-42255— tpm: Use auth only after NULL check in tpm_buf_check_hmac_response()

EPSS 0.03% · P9
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I. Basic Information for CVE-2024-42255

Vulnerability Information
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Vulnerability Title
tpm: Use auth only after NULL check in tpm_buf_check_hmac_response()
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.]
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于空指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 7ca110f2679b7d1f3ac1afc90e6ffbf0af3edf0d ~ b9afbb9a0c734197c59c43610071041044bf1562 -
LinuxLinux 6.10 -

II. Public POCs for CVE-2024-42255

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III. Intelligence Information for CVE-2024-42255

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Same Patch Batch · Linux · 2024-08-08 · 7 CVEs total

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CVE-2024-42256cifs: Fix server re-repick on subrequest retry
CVE-2024-42254io_uring: fix error pbuf checking
CVE-2024-42252closures: Change BUG_ON() to WARN_ON()
CVE-2024-42253gpio: pca953x: fix pca953x_irq_bus_sync_unlock race
CVE-2024-42251mm: page_ref: remove folio_try_get_rcu()

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-42255

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