Vulnerability identifier: #VU91503
Vulnerability 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:
CWE-ID:
CWE-667
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __update_and_free_page() function in mm/hugetlb.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: All versions
External links
http://git.kernel.org/stable/c/2effe407f7563add41750fd7e03da4ea44b98099
http://git.kernel.org/stable/c/7e0a322877416e8c648819a8e441cf8c790b2cce
http://git.kernel.org/stable/c/9c9b32d46afab2d911897914181c488954012300
http://git.kernel.org/stable/c/52ccdde16b6540abe43b6f8d8e1e1ec90b0983af
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.