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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 71.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
A bug affects the Linux kernel’s ksmbd NTLMv2 authentication and is known to crash the OS immediately in Linux-based systems.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 71.74% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-787
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
EPSS 71.7% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commitMailing List, Patch
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=797805d81baa814f76cf7bdab35f86408a79d707Mailing List, Patch
- https://github.com/cifsd-team/ksmbd/commit/8824b7af409f51f1316e92e9887c2fd48c0b26d6Patch
- https://security.netapp.com/advisory/ntap-20230517-0002/Third Party Advisory
- https://securityonline.info/cve-2023-0210-flaw-in-linux-kernel-allows-unauthenticated-remote-dos-attacks/Exploit, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/01/04/1Exploit, Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/01/11/1Mailing List, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commitMailing List, Patch
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=797805d81baa814f76cf7bdab35f86408a79d707Mailing List, Patch
- https://github.com/cifsd-team/ksmbd/commit/8824b7af409f51f1316e92e9887c2fd48c0b26d6Patch
- https://security.netapp.com/advisory/ntap-20230517-0002/Third Party Advisory
- https://securityonline.info/cve-2023-0210-flaw-in-linux-kernel-allows-unauthenticated-remote-dos-attacks/Exploit, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/01/04/1Exploit, Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/01/11/1Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.