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CVE-2023-3111

Good to know:

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Date: June 4, 2023

A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().

Language: C

Severity Score

Related Resources (10)

https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
https://patchwork.kernel.org/project/linux-btrfs/patch/20220721074829.2905233-1-r33s3n6%40gmail.com/
https://www.debian.org/security/2023/dsa-5480
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-3111
https://nvd.nist.gov/vuln/detail/CVE-2023-3111
https://access.redhat.com/security/cve/CVE-2023-3111
https://patchwork.kernel.org/project/linux-btrfs/patch/20220721074829.2905233-1-r33s3n6@gmail.com/
https://security.netapp.com/advisory/ntap-20230703-0007/
https://www.mend.io/vulnerability-database/CVE-2023-3111

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): HIGH
Availability (A): HIGH

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