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CVE-2023-52448

Good to know:

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Date: February 22, 2024

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump Syzkaller has reported a NULL pointer dereference when accessing rgd->rd_rgl in gfs2_rgrp_dump(). This can happen when creating rgd->rd_gl fails in read_rindex_entry(). Add a NULL pointer check in gfs2_rgrp_dump() to prevent that.

Language: Java

Severity Score

Related Resources (10)

https://git.kernel.org/stable/c/067a7c48c2c70f05f9460d6f0e8423e234729f05
https://git.kernel.org/stable/c/8877243beafa7c6bfc42022cbfdf9e39b25bd4fa
https://git.kernel.org/stable/c/5c28478af371a1c3fdb570ca67f110e1ae60fc37
https://nvd.nist.gov/vuln/detail/CVE-2023-52448
https://git.kernel.org/stable/c/c323efd620c741168c8e0cc6fc0be04ab57e331a
https://access.redhat.com/security/cve/CVE-2023-52448
https://git.kernel.org/stable/c/d69d7804cf9e2ba171a27e5f98bc266f13d0414a
https://git.kernel.org/stable/c/efc8ef87ab9185a23d5676f2f7d986022d91bcde
https://git.kernel.org/stable/c/ee0586d73cbaf0e7058bc640d62a9daf2dfa9178
https://www.mend.io/vulnerability-database/CVE-2023-52448

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

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

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