Vulnerability identifier: #VU71583
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-416
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the __nfs42_ssc_open() function in fs/nfs/nfs4file.c. A remote attacker can perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://seclists.org/oss-sec/2022/q4/185
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=75333d48f92256a0dec91dbf07835e804fc411c0
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=aeba12b26c79fc35e07e511f692a8907037d95da
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LECFVUHKIRBV5JJBE3KQCLGKNYJPBRCN/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RAVD6JIILAVSRHZ4VXSV3RAAGUXKVXZA/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.