Infinite loop in Linux kernel - CVE-2024-27036
Published: June 21, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93066
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2024-27036
CWE-ID: CWE-835
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the cifs_partialpagewrite(), cifs_extend_writeback(), cifs_write_back_from_locked_folio(), cifs_writepages_region() and cifs_writepages() functions in fs/smb/client/file.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2024-27036
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/e45deec35bf7f1f4f992a707b2d04a8c162f2240
- https://git.kernel.org/stable/c/65f2ced695982ccd516196d0a9447d85dbe2eed5
- https://git.kernel.org/stable/c/844b4e132f57f1333dc79feaa035075a096762e4
- https://git.kernel.org/stable/c/f3dc1bdb6b0b0693562c7c54a6c28bafa608ba3c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.2