5.5

CVE-2022-49657: usbnet: fix memory leak in error case

Modified
AliasesUBUNTU-CVE-2022-49657DEBIAN-CVE-2022-49657
Published 26-02-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-49657 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.5% 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
0.28%
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 8 · Related 7
RHSA-2025:20518SUSE-SU-2025:1027-1SUSE-SU-2025:1176-1SUSE-SU-2025:1183-1SUSE-SU-2025:1194-1SUSE-SU-2025:1241-1

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: usbnet: fix memory leak in error case usbnet_write_cmd_async() mixed up which buffers need to be freed in which error case. v2: add Fixes tag v3: fix uninitialized buf pointer

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

21%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.28% 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) | < 4.15.0-194.205 | < 5.4.0-128.144 | < 5.15.0-50.56
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1142.154 | < 5.4.0-1086.93 | < 5.15.0-1021.25
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 877bd862f32b815d54ab5fc10a4fd903d7bf3012, < 3eed421ca5c809da93456f69203d164d5220be3d | ≥ 877bd862f32b815d54ab5fc10a4fd903d7bf3012, < 5269209f54dd8dfd15f9383f3a3a1fe8370764f8 | ≥ 877bd862f32b815d54ab5fc10a4fd903d7bf3012, < d5165e657987ff4ba0ace896d4376a3718a9fbc3 | ≥ 877bd862f32b815d54ab5fc10a4fd903d7bf3012, < 04894ab34faf40ab72a8a5ab5b404bb0606bbbff | ≥ 877bd862f32b815d54ab5fc10a4fd903d7bf3012, < 0085da9df3dced730027923a6b48f58e9016af91 | ≥ 877bd862f32b815d54ab5fc10a4fd903d7bf3012, < db89582ff330556188da856e01382ccbf3a5e706 | ≥ 877bd862f32b815d54ab5fc10a4fd903d7bf3012, < e7b4f69946a38209b4a4f660bf0e4cbed94f9b4b | ≥ 877bd862f32b815d54ab5fc10a4fd903d7bf3012, < b55a21b764c1e182014630fa5486d717484ac58f | 3.8
  • linux_kernel≥ 3.8, < 4.9.323 | ≥ 4.10, < 4.14.288 | ≥ 4.15, < 4.19.252 | ≥ 4.20, < 5.4.205 | ≥ 5.5, < 5.10.130 | ≥ 5.11, < 5.15.54 | ≥ 5.16, < 5.18.11 | 5.19:rc1 | 5.19:rc2 | 5.19:rc3 | 5.19:rc4 | 5.19:rc5
Debian1 product
  • linux< 5.18.14-1

3 vendors · 114 products

References

12 links
Show all 12 references