CVE-2026-23339 — Missing Release of Resource after Effective Lifetime in Linux
Severity
6.9MEDIUM
No vectorEPSS
0.0%
top 90.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 25
Description
In the Linux kernel, the following vulnerability has been resolved:
nfc: nci: free skb on nci_transceive early error paths
nci_transceive() takes ownership of the skb passed by the caller,
but the -EPROTO, -EINVAL, and -EBUSY error paths return without
freeing it.
Due to issues clearing NCI_DATA_EXCHANGE fixed by subsequent changes
the nci/nci_dev selftest hits the error path occasionally in NIPA,
and kmemleak detects leaks:
unreferenced object 0xff11000015ce6a40 (size 640):
comm "nci_dev", …
Affected Packages3 packages
▶CVEListV5linux/linux6a2968aaf50c7a22fced77a5e24aa636281efca8 — 33f6b8a96dda045789796c3bcb451c74ac158039+6
🔴Vulnerability Details
4GHSA▶
GHSA-77ph-fpqv-c298: In the Linux kernel, the following vulnerability has been resolved:
nfc: nci: free skb on nci_transceive early error paths
nci_transceive() takes ow↗2026-03-25
OSV▶
CVE-2026-23339: In the Linux kernel, the following vulnerability has been resolved: nfc: nci: free skb on nci_transceive early error paths nci_transceive() takes owne↗2026-03-25