Vulnerability identifier: #VU94968
Vulnerability 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:
CWE-ID:
CWE-476
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 NULL pointer dereference within the gfs2_jindex_free() function in fs/gfs2/super.c, within the lops_before_commit() function in fs/gfs2/log.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/3429ef5f50909cee9e498c50f0c499b9397116ce
http://git.kernel.org/stable/c/f54f9d5368a4e92ede7dd078a62788dae3a7c6ef
http://git.kernel.org/stable/c/35264909e9d1973ab9aaa2a1b07cda70f12bb828
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.