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CVE-2023-2898

Good to know:

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Date: May 25, 2023

There is a null-pointer-dereference flaw found in f2fs_write_end_io in fs/f2fs/data.c in the Linux kernel. This flaw allows a local privileged user to cause a denial of service problem.

Language: C

Severity Score

Related Resources (8)

https://www.debian.org/security/2023/dsa-5492
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
https://nvd.nist.gov/vuln/detail/CVE-2023-2898
https://lore.kernel.org/linux-f2fs-devel/20230522124203.3838360-1-chao%40kernel.org/
https://www.debian.org/security/2023/dsa-5480
https://lore.kernel.org/linux-f2fs-devel/20230522124203.3838360-1-chao@kernel.org/
https://security.netapp.com/advisory/ntap-20230929-0002/
https://www.mend.io/vulnerability-database/CVE-2023-2898

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

Top Fix

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Upgrade Version

Upgrade to version linux-libc-headers - 5.14;linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744;linux-yocto - 4.8.26+gitAUTOINC+1c60e003c7_27efc3ba68

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CVSS v3.1

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

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