PT-2024-7701 · Linux+9 · Linux Kernel+9
Baokun Li
·
Published
2024-01-18
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Updated
2025-09-29
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CVE-2024-26773
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The issue is related to the ext4 component of the Linux kernel, specifically with the function
ext4 mb try best found(). The vulnerability can be exploited to cause a denial of service. The problem arises when the group block bitmap is corrupted, and the function attempts to allocate blocks from this corrupted group, making the situation worse. The ext4 mb regular allocator and related functions are involved in this process. Technical details include the use of ac b ex and the checking of the group bitmap for corruption before allocation.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Improper Locking
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Weakness Enumeration
Related Identifiers
Affected Products
Almalinux
Astra Linux
Centos
Linuxmint
Linux Kernel
Red Hat
Red Os
Rocky Linux
Suse
Ubuntu