Buffer overflow in Linux Kernel
CVE-2023-0210
A bug affects the Linux kernel’s ksmbd NTLMv2 authentication and is known to crash the OS immediately in Linux-based systems.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.717 (99.4th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.717 · newest: 0.717 · change: 0.000
Affected products
- Linux Kernel
- Linux Kernel — versions Kernel 6.2 RC4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2023/01/04/1 (Exploit, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2023/01/11/1 (Mailing List, Third Party Advisory)
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit (Patch, Mailing List)
- securityonline.info/cve-2023-0210-flaw-in-linux-kernel-allows-unauthenticated-r… (Exploit, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230517-0002/ (Third Party Advisory)
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Mailing List)
- github.com/cifsd-team/ksmbd/commit/8824b7af409f51f1316e92e9887c2fd48c0b26d6 (Patch)
Frequently asked questions
- What is CVE-2023-0210?
- CVE-2023-0210 is a high-severity vulnerability in Linux Kernel, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2023-03-27.
- How severe is CVE-2023-0210?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-0210 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.