Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2022-42722 |
CWE-ID | CWE-476 |
Exploitation vector | Local network |
Public exploit | N/A |
Vulnerable software |
SUSE Linux Enterprise Module for Live Patching Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system kernel-livepatch-SLE15-SP4_Update_3-debugsource Operating systems & Components / Operating system package or component kernel-livepatch-5_14_21-150400_24_21-default-debuginfo Operating systems & Components / Operating system package or component kernel-livepatch-5_14_21-150400_24_21-default Operating systems & Components / Operating system package or component |
Vendor | SUSE |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU68317
Risk: Medium
CVSSv4.0: 4.9 [CVSS:4.0/AV:A/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-2022-42722
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the mac80211 stack in Linux kernel. A remote attacker on the local network can send specially crafted WLAN frames to the affected system and perform a denial of service (DoS) attack against the beacon protection of P2P devices.
MitigationUpdate the affected package the Linux Kernel (Live Patch 3 for SLE 15 SP4) to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Module for Live Patching: 15-SP4
SUSE Linux Enterprise Server: 15-SP4
SUSE Linux Enterprise Server for SAP Applications: 15-SP4
SUSE Linux Enterprise High Performance Computing: 15-SP4
kernel-livepatch-SLE15-SP4_Update_3-debugsource: before 4-150400.2.1
kernel-livepatch-5_14_21-150400_24_21-default-debuginfo: before 4-150400.2.1
kernel-livepatch-5_14_21-150400_24_21-default: before 4-150400.2.1
CPE2.3https://www.suse.com/support/update/announcement/2022/suse-su-20223976-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.