Improper locking in Linux kernel mm
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2024-40949 |
| CWE-ID | CWE-667 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
| Vendor | Linux Foundation |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Improper locking
EUVDB-ID: #VU94263
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-40949
CWE-ID:
CWE-667 - Improper Locking
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the shmem_replace_folio() function in mm/shmem.c, within the __mem_cgroup_uncharge_folios() function in mm/memcontrol.c. A local user can perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsLinux kernel: All versions
External linkshttp://git.kernel.org/stable/c/8c6c3719ebb7913f8a665d11816d2e38b0eadbab
http://git.kernel.org/stable/c/9094b4a1c76cfe84b906cc152bab34d4ba26fa5c
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
