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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2024-26590 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: erofs: fix inconsistent per-file compression format EROFS can select compression algorithms on a per-file basis, and each per-file compression algorithm needs to be marked in the on-disk superblock for initialization. However, syzkaller can generate inconsistent crafted images that use an unsupported algorithmtype for specific inodes, e.g. use MicroLZMA algorithmtype even it's not set in `sbi->available_compr_algs`. This can lead to an unexpected "BUG: kernel NULL pointer dereference" if the corresponding decompressor isn't built-in. Fix this by checking against `sbi->available_compr_algs` for each m_algorithmformat request. Incorrect !erofs_sb_has_compr_cfgs preset bitmap is now fixed together since it was harmless previously.


Metrics

 
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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/118a8cf504d7dfa519562d000f423ee3ca75d2c4 Patch 
https://git.kernel.org/stable/c/118a8cf504d7dfa519562d000f423ee3ca75d2c4 Patch 
https://git.kernel.org/stable/c/47467e04816cb297905c0f09bc2d11ef865942d9 Patch 
https://git.kernel.org/stable/c/47467e04816cb297905c0f09bc2d11ef865942d9 Patch 
https://git.kernel.org/stable/c/823ba1d2106019ddf195287ba53057aee33cf724 Patch 
https://git.kernel.org/stable/c/823ba1d2106019ddf195287ba53057aee33cf724 Patch 
https://git.kernel.org/stable/c/eed24b816e50c6cd18cbee0ff0d7218c8fced199 Patch 
https://git.kernel.org/stable/c/eed24b816e50c6cd18cbee0ff0d7218c8fced199 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference cwe source acceptance level NIST  

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-26590
NVD Published Date:
02/22/2024
NVD Last Modified:
11/21/2024
Source:
kernel.org