Use-after-free in nfc_llcp_find_loca in net/nfc/llcp_core.c
CVE-2023-3863

6.4MEDIUM

Key Information:

Vendor

Red Hat
Status
Kernel
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
24 July 2023

What is CVE-2023-3863?

A use-after-free flaw was found in nfc_llcp_find_local in net/nfc/llcp_core.c in NFC in the Linux kernel. This flaw allows a local user with special privileges to impact a kernel information leak issue.

Affected Version(s)

Kernel 6.5-rc1

References

https://access.redhat.com/security/cve/CVE-2023-3863
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2225126
issue-trackingx_refsource_REDHAT
https://github.com/torvalds/linux/commit/6709d4b7bc2e0792...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.
CVE-2023-3863 : Use-after-free in nfc_llcp_find_loca in net/nfc/llcp_core.c