5.5

CVE-2022-49367: net: dsa: mv88e6xxx: Fix refcount leak in mv88e6xxx_mdios_register

Modified
AliasesUBUNTU-CVE-2022-49367DEBIAN-CVE-2022-49367
Published 26-02-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-49367 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19.1% 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 5 · Related 5
SUSE-SU-2025:1027-1SUSE-SU-2025:1176-1SUSE-SU-2025:1183-1SUSE-SU-2025:1241-1SUSE-SU-2025:1293-1

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: net: dsa: mv88e6xxx: Fix refcount leak in mv88e6xxx_mdios_register of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. mv88e6xxx_mdio_register() pass the device node to of_mdiobus_register(). We don't need the device node after it. Add missing of_node_put() to avoid refcount leak.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

19%

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

No weakness data has been published for this record.

Affected systems

Version check

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

Ubuntu110 products
  • linux< 4.15.0-192.203 | < 5.4.0-126.142 | < 5.15.0-48.54
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 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≥ a3c53be55c955b7150cda17874c3fcb4eeb97a89, < dc1cf8c6f9793546696fded437a5b4c84944c48b | ≥ a3c53be55c955b7150cda17874c3fcb4eeb97a89, < 86c3c5f8e4bd1325e24f6fba9017cade29933377 | ≥ a3c53be55c955b7150cda17874c3fcb4eeb97a89, < a101793994c0a14c70bb4e44c7fda597eeebba0a | ≥ a3c53be55c955b7150cda17874c3fcb4eeb97a89, < 42658e47f1abbbe592007d3ba303de466114d0bb | ≥ a3c53be55c955b7150cda17874c3fcb4eeb97a89, < c1df9cb756e5a9ba1841648c44ee5d92306b9c65 | ≥ a3c53be55c955b7150cda17874c3fcb4eeb97a89, < e0d763d0c7665c7897e4f5a0847ab0c82543345f | ≥ a3c53be55c955b7150cda17874c3fcb4eeb97a89, < 8a1a1255152da4fb934290e7ababc66f24985520 | ≥ a3c53be55c955b7150cda17874c3fcb4eeb97a89, < 02ded5a173619b11728b8bf75a3fd995a2c1ff28 | 4.11
  • linux_kernel≥ 4.11, < 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
Debian1 product
  • linux< 5.18.5-1

3 vendors · 113 products

References

12 links
Show all 12 references