CVE-2023-3863
Use-after-free in nfc_llcp_find_loca in net/nfc/llcp_core.c
MEDIUM
4.1
CVSS Score
Published: July 24, 2023 at 02:25 PM UTC
Updated: June 17, 2026 at 06:15 AM UTC
2 products affected across 2 vendorsLinux KernelDebian Linux
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Severity
MEDIUM4.1
Exploit prediction
EPSS 0.2%
Description
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%v < 6.5
Affected range stops below 6.5, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (7)
VDB Entryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/security/cve/CVE-2023-3863Issue Trackingx_refsource_REDHATPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2225126Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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