Incorrect calculation in Linux kernel - CVE-2022-50205
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111676
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-50205
CWE-ID: CWE-682
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the ext2_fill_super() function in fs/ext2/super.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-50205
Install update from vendor's repository.
Linux kernel - addressed in versions 4.14.291, 4.19.256, 5.4.211, 5.10.137, 5.15.61, 5.18.18, 5.19.2, 6.0
External References
- https://git.kernel.org/stable/c/07303a9abe3a997d9864fb4315e34b5acfe8fc25
- https://git.kernel.org/stable/c/0bcdc31094a12b4baf59e241feabc9787cf635fa
- https://git.kernel.org/stable/c/5e63c5fe9123fa76ffaeff26c211308736ec3a07
- https://git.kernel.org/stable/c/7a48fdc88a3c35e046a6a0a38eba00f21c65b16e
- https://git.kernel.org/stable/c/96b18d3a1be0354ccce43f0ef61b5a3d7e432552
- https://git.kernel.org/stable/c/b3f423683818cfe15de14d5d9dff44148ff16bbf
- https://git.kernel.org/stable/c/d08bb199a406424a8ed0009efdf41710e6d849ee
- https://git.kernel.org/stable/c/fa78f336937240d1bc598db817d638086060e7e9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.291
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.256
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.137
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.61
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.211
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0