CVE-2022-1671: Null Pointer Dereference
First published: Wed Mar 30 2022(Updated: )
A NULL pointer dereference flaw was found in rxrpc_preparse_s in net/rxrpc/server_key.c in the Linux kernel. This flaw allows a local attacker to crash the system or leak internal kernel information.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.18 | 5.18 |
| Linux Kernel | >=5.11<5.15.33 | |
| Linux Kernel | >=5.16<5.16.19 | |
| Linux Kernel | >=5.17<5.17.2 | |
| All of | ||
| netapp h300s firmware | ||
| netapp h300s | ||
| All of | ||
| NetApp H500S Firmware | ||
| netapp h500s | ||
| All of | ||
| netapp h700s firmware | ||
| netapp h700s | ||
| All of | ||
| netapp h410s firmware | ||
| netapp h410s | ||
| All of | ||
| netapp h410c firmware | ||
| netapp h410c | ||
| netapp h300s firmware | ||
| netapp h300s | ||
| NetApp H500S Firmware | ||
| netapp h500s | ||
| netapp h700s firmware | ||
| netapp h700s | ||
| netapp h410s firmware | ||
| netapp h410s | ||
| netapp h410c firmware | ||
| netapp h410c | ||
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2022-1671 https://nvd.nist.gov/vuln/detail/CVE-2022-1671 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ff8376ade4f668130385839cef586a0990f8ef87
- https://bugzilla.redhat.com/show_bug.cgi?id=2083992
- https://access.redhat.com/security/cve/CVE-2022-1671
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ff8376ade4f668130385839cef586a0990f8ef87
- https://security.netapp.com/advisory/ntap-20220901-0004/
- https://security.netapp.com/advisory/ntap-20220901-0008/
- https://launchpad.net/bugs/cve/CVE-2022-1671
- https://git.kernel.org/linus/ff8376ade4f668130385839cef586a0990f8ef87
- https://security-tracker.debian.org/tracker/CVE-2022-1671
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1671
- https://nvd.nist.gov/vuln/detail/CVE-2022-1671
- https://ubuntu.com/security/CVE-2022-1671
Frequently Asked Questions
What is the severity of CVE-2022-1671?
CVE-2022-1671 is classified as a high severity vulnerability due to its potential to allow local attackers to crash the system or leak sensitive kernel information.
How do I fix CVE-2022-1671?
To fix CVE-2022-1671, you should upgrade your Linux kernel to version 5.18 or apply available patches that address this flaw.
Which Linux kernel versions are affected by CVE-2022-1671?
CVE-2022-1671 affects Linux kernel versions from 5.11 up to and including 5.18.
Can remote attackers exploit CVE-2022-1671?
No, CVE-2022-1671 is a local privilege escalation vulnerability, meaning it can only be exploited by local attackers with access to the system.
What kind of impact can CVE-2022-1671 have on my system?
CVE-2022-1671 can lead to a system crash or unauthorized access to internal kernel data, compromising system stability and security.
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