NULL pointer dereference in Linux kernel
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-15098 |
| CWE-ID | CWE-476 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system Cisco Unified Contact Center Enterprise Server applications / Conferencing, Collaboration and VoIP solutions |
| Vendor | Linux Foundation |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) NULL pointer dereference
EUVDB-ID: #VU20915
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: CVE-2019-15098
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 in the "drivers/net/wireless/ath/ath6kl/usb.c". A remote attacker can trigger denial of service conditions via an incomplete address in an endpoint descriptor.
MitigationInstall update from vendor's website.
Vulnerable software versionsLinux kernel: 4.4 - 5.3.13
External linkshttp://lore.kernel.org/linux-wireless/20190804002905.11292-1-benquike@gmail.com/T/#u
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.82
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.152
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.199
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.199
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9
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.
