CVE-2021-38208

Impact

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 products

Weakness classification

References

• NVD record
• CVE.org record
• http://www.openwall.com/lists/oss-security/2021/08/17/1
• http://www.openwall.com/lists/oss-security/2021/08/17/2
• http://www.openwall.com/lists/oss-security/2021/08/24/2
• https://bugzilla.redhat.com/show_bug.cgi?id=1992810
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10
• https://github.com/torvalds/linux/commit/4ac06a1e013cf5fdd963317ffd3b968560f33bba
• http://www.openwall.com/lists/oss-security/2021/08/17/1
• http://www.openwall.com/lists/oss-security/2021/08/17/2
• http://www.openwall.com/lists/oss-security/2021/08/24/2
• https://bugzilla.redhat.com/show_bug.cgi?id=1992810
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10
• https://github.com/torvalds/linux/commit/4ac06a1e013cf5fdd963317ffd3b968560f33bba