5.5med

CVE-2022-49331

nfc: st21nfca: fix memory leaks in EVT_TRANSACTION handling

Published 20 mo ago · modified 4 mo ago · JSON

CVSS
5.5
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 20%
Public exploits
0
none known

Summary

In the Linux kernel, the following vulnerability has been resolved:

nfc: st21nfca: fix memory leaks in EVT_TRANSACTION handling

Error paths do not free previously allocated memory. Add devm_kfree() to those failure paths.

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
13 mo ago

Exploit prediction (EPSS)

0.27% probability of exploitation in the next 30 days, higher than 20% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CISA ADP3.15.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD3.15.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA3.15.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Linux Linux

Classification

Weakness
  • CWE-401 Missing Release of Memory after Effective Lifetime
Technology feeds
Linux kernel (RSS, critical only)

References

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.