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CVE-2023-3567

Good to know:

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Date: July 24, 2023

A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.

Language: C

Severity Score

Related Resources (16)

https://nvd.nist.gov/vuln/detail/CVE-2023-3567
https://access.redhat.com/errata/RHSA-2024:2394
http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html
https://access.redhat.com/errata/RHSA-2024:0448
https://bugzilla.redhat.com/show_bug.cgi?id=2221463
https://access.redhat.com/errata/RHSA-2024:0439
https://access.redhat.com/security/cve/CVE-2023-3567
https://access.redhat.com/errata/RHSA-2024:0431
https://access.redhat.com/errata/RHSA-2024:3138
https://access.redhat.com/errata/RHSA-2024:0432
https://access.redhat.com/errata/RHSA-2024:0575
https://access.redhat.com/errata/RHSA-2024:2950
https://www.spinics.net/lists/stable-commits/msg285184.html
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
https://access.redhat.com/errata/RHSA-2024:0412
https://www.mend.io/vulnerability-database/CVE-2023-3567

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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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): HIGH
Integrity (I): NONE
Availability (A): HIGH

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