#VU63390 Memory leak in Linux kernel - CVE-2022-28356
Vulnerability identifier: #VU63390
Vulnerability risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-28356
CWE-ID:
CWE-401
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 DoS attack on the target system.
The vulnerability exists due memory leak in net/llc/af_llc.c component. A remote attacker can force the system to leak memory and perform denial of service attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Linux kernel: before 5.17.1, 5.17.1
External links
https://github.com/torvalds/linux/commit/764f4eb6846f5475f1244767d24d25dd86528a4a
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.1
https://www.openwall.com/lists/oss-security/2022/04/06/1
https://www.debian.org/security/2022/dsa-5127
https://security.netapp.com/advisory/ntap-20220506-0006/
Q & A
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.
