Use of uninitialized resource in Linux kernel mm
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-47462 |
| CWE-ID | CWE-908 |
| 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) Use of uninitialized resource
EUVDB-ID: #VU90866
Risk: Low
CVSSv3.1: 4.8 [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-2021-47462
CWE-ID:
CWE-908 - Use of Uninitialized Resource
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the do_set_mempolicy() and sanitize_mpol_flags() functions in mm/mempolicy.c. A local user can perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsLinux kernel: All versions
CPE2.3http://git.kernel.org/stable/c/9ee4e9ae98f1f262d6fae0d266cfdf3ba2c321d9
http://git.kernel.org/stable/c/6d2aec9e123bb9c49cb5c7fc654f25f81e688e8c
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.
