CVEvulnerability
CVE-2021-38208
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-08-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-476
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.
Affected configurations
• linux linux kernel (< 5.12.10)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- http://www.openwall.com/lists/oss-security/2021/08/17/1 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/17/2 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/24/2 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1992810 Issue Tracking, Patch, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10 Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/4ac06a1e013cf5fdd963317ffd3b968560f33bba Exploit, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/17/1 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/17/2 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/24/2 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1992810 Issue Tracking, Patch, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10 Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/4ac06a1e013cf5fdd963317ffd3b968560f33bba Exploit, Patch, Third Party Advisory