CVE-2023-0210
What it is
A bug affects the Linux kernel’s ksmbd NTLMv2 authentication and is known to crash the OS immediately in Linux-based systems.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 71.7% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 71.7% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 71.7% · EPSS, next 30 days
- Weakness
- CWE-122
- Record status
- Modified
Affected
- Linux Kernel < 5.15.87
- Linux Kernel < 6.0.19
- Linux Kernel < 6.1.5
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-0210.md and follow it. Check whether this project is affected by CVE-2023-0210. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=797805d81baa814f76cf7bdab35f86408a79d707
- https://github.com/cifsd-team/ksmbd/commit/8824b7af409f51f1316e92e9887c2fd48c0b26d6
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=797805d81baa814f76cf7bdab35f86408a79d707
- https://github.com/cifsd-team/ksmbd/commit/8824b7af409f51f1316e92e9887c2fd48c0b26d6
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=797805d81baa814f76cf7bdab35f86408a79d707
- https://github.com/cifsd-team/ksmbd/commit/8824b7af409f51f1316e92e9887c2fd48c0b26d6
- https://security.netapp.com/advisory/ntap-20230517-0002/
- https://securityonline.info/cve-2023-0210-flaw-in-linux-kernel-allows-unauthenticated-remote-dos-attacks/
- https://www.openwall.com/lists/oss-security/2023/01/04/1
- https://www.openwall.com/lists/oss-security/2023/01/11/1
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=797805d81baa814f76cf7bdab35f86408a79d707
- https://github.com/cifsd-team/ksmbd/commit/8824b7af409f51f1316e92e9887c2fd48c0b26d6
- https://security.netapp.com/advisory/ntap-20230517-0002/
- https://securityonline.info/cve-2023-0210-flaw-in-linux-kernel-allows-unauthenticated-remote-dos-attacks/
- https://www.openwall.com/lists/oss-security/2023/01/04/1
- https://www.openwall.com/lists/oss-security/2023/01/11/1