Vulnerability Description
net/nfc/llcp_sock.c in the Linux kernel before 5.12.10 allows local unprivileged users to cause a denial of service (NULL pointer dereference and BUG) by making a getsockname call after a certain type of failure of a bind call.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.12.10 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/08/17/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/17/2Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/24/2Mailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1992810Issue TrackingPatchThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/4ac06a1e013cf5fdd963317ffd3b968560f33bbExploitPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/17/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/17/2Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/24/2Mailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1992810Issue TrackingPatchThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/4ac06a1e013cf5fdd963317ffd3b968560f33bbExploitPatchThird Party Advisory
FAQ
What is CVE-2021-38208?
CVE-2021-38208 is a vulnerability with a CVSS score of 5.5 (MEDIUM). net/nfc/llcp_sock.c in the Linux kernel before 5.12.10 allows local unprivileged users to cause a denial of service (NULL pointer dereference and BUG) by making a getsockname call after a certain type...
How severe is CVE-2021-38208?
CVE-2021-38208 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-38208?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.