CVE-2022-1516: Null Pointer Dereference
First published: Thu May 05 2022(Updated: )
A NULL pointer dereference flaw was found in the Linux kernel’s X.25 set of standardized network protocols functionality in the way a user terminates their session using a simulated Ethernet card and continued usage of this connection. This flaw allows a local user to crash the system.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | =5.18-rc1 | |
| Debian Linux | =9.0 | |
| Debian Linux | =10.0 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.135-1 6.12.22-1 6.12.25-1 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2022/06/19/1
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7781607938c8
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
- https://www.debian.org/security/2022/dsa-5173
- https://launchpad.net/bugs/cve/CVE-2022-1516
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1516
- https://nvd.nist.gov/vuln/detail/CVE-2022-1516
- https://security-tracker.debian.org/tracker/CVE-2022-1516
- https://ubuntu.com/security/CVE-2022-1516
- https://git.kernel.org/linus/7781607938c8371d4c2b243527430241c62e39c2
Frequently Asked Questions
What is the severity of CVE-2022-1516?
CVE-2022-1516 has a severity rating that indicates it can allow a local user to crash the system through a NULL pointer dereference.
How do I fix CVE-2022-1516?
To fix CVE-2022-1516, update the Linux kernel to the patched versions listed in the vulnerability report.
Who is affected by CVE-2022-1516?
CVE-2022-1516 affects various versions of the Linux kernel, particularly those that implement X.25 networking protocols.
What types of systems are vulnerable to CVE-2022-1516?
Systems running specific versions of the Linux kernel and its derivatives, such as Debian, are vulnerable to CVE-2022-1516.
Is CVE-2022-1516 a remote or local vulnerability?
CVE-2022-1516 is a local vulnerability that can be exploited by logged-in users on the affected system.
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