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CVE-2023-1075

Good to know:

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Date: March 26, 2023

A flaw was found in the Linux Kernel. The tls_is_tx_ready() incorrectly checks for list emptiness, potentially accessing a type confused entry to the list_head, leaking the last byte of the confused field that overlaps with rec->tx_ready.

Language: C

Severity Score

Related Resources (6)

https://security-tracker.debian.org/tracker/CVE-2023-1075
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-1075
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ffe2a22562444720b05bdfeb999c03e810d84cbb
https://nvd.nist.gov/vuln/detail/CVE-2023-1075
https://access.redhat.com/security/cve/CVE-2023-1075
https://www.mend.io/vulnerability-database/CVE-2023-1075

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Access of Resource Using Incompatible Type ('Type Confusion')

CWE-843

Top Fix

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Upgrade Version

Upgrade to version linux-libc-headers - 5.14

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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