5.5

CVE-2022-49331: nfc: st21nfca: fix memory leaks in EVT_TRANSACTION handling

Modified
AliasesUBUNTU-CVE-2022-49331DEBIAN-CVE-2022-49331
Published 26-02-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-49331 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 7

Timeline

  1. 26-02-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.27% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu111 products
  • linuxAll versions (No fix recorded) | < 4.15.0-192.203 | < 5.4.0-126.142 | < 5.15.0-48.54
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1140.151 | < 5.4.0-1085.92 | < 5.15.0-1020.24
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 26fc6c7f02cb26c39c4733de3dbc3c0646fc1074, < 593773088d615a46a42c97e01a0550d192bb7f74 | ≥ 26fc6c7f02cb26c39c4733de3dbc3c0646fc1074, < d221ce54ce331c1a23be71eebf57f6a088632383 | ≥ 26fc6c7f02cb26c39c4733de3dbc3c0646fc1074, < 6fce324b530dd74750ad870699e33eeed1029ded | ≥ 26fc6c7f02cb26c39c4733de3dbc3c0646fc1074, < 3eca2c42daa4659965db6817479027cbc6df7899 | ≥ 26fc6c7f02cb26c39c4733de3dbc3c0646fc1074, < 54423649bc0ed464b75807a7cf2857a5871f738f | ≥ 26fc6c7f02cb26c39c4733de3dbc3c0646fc1074, < f444ecd3f57f4ba5090fe8b6756933e37de4226e | ≥ 26fc6c7f02cb26c39c4733de3dbc3c0646fc1074, < db836b97464d44340b568e041fd24602858713f7 | ≥ 26fc6c7f02cb26c39c4733de3dbc3c0646fc1074, < 55904086041ba4ee4070187b36590f8f8d6df4cd | ≥ 26fc6c7f02cb26c39c4733de3dbc3c0646fc1074, < 996419e0594abb311fb958553809f24f38e7abbe | 4.0
  • linux_kernel≥ 4.0, < 4.9.318 | ≥ 4.10, < 4.14.283 | ≥ 4.15, < 4.19.247 | ≥ 4.20, < 5.4.198 | ≥ 5.5, < 5.10.122 | ≥ 5.11, < 5.15.47 | ≥ 5.16, < 5.17.15 | ≥ 5.18, < 5.18.4 | 5.19:rc1
Debian1 product
  • linux< 5.18.5-1

3 vendors · 114 products

References

13 links
Show all 13 references