7.8

CVE-2022-50040: net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions()

Analyzed
AliasesUBUNTU-CVE-2022-50040DEBIAN-CVE-2022-50040
Published 18-06-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50040 is a high (CVSS 7.8) Out-of-bounds Write 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 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.28%
0%100%
Low · +0.01 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 4 · Related 4
SUSE-SU-2025:02264-1SUSE-SU-2025:02321-1SUSE-SU-2025:02322-1SUSE-SU-2025:02537-1

Timeline

  1. 18-06-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions() If an error occurs in dsa_devlink_region_create(), then 'priv->regions' array will be accessed by negative index '-1'. Found by Linux Verification Center (linuxtesting.org) with SVACE.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

21%

Versus all other CVEs

30-day change

Increase +0.01 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.

Ubuntu94 products
  • linux< 5.15.0-53.59
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1023.27
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ bf425b82059e0b0752c0026353c1902112200837, < 7983e1e44cb322eba6af84160b6d18df80603fb8 | ≥ bf425b82059e0b0752c0026353c1902112200837, < e84c6321f3578c38cb3c24258db91a92672b17a8 | ≥ bf425b82059e0b0752c0026353c1902112200837, < 79f86b862416126a2e826cb74224180d6625a32f | ≥ bf425b82059e0b0752c0026353c1902112200837, < fd8e899cdb5ecaf8e8ee73854a99e10807eef1de | 5.10
  • linux_kernel≥ 5.10, < 5.10.138 | ≥ 5.11, < 5.15.63 | ≥ 5.16, < 5.19.4 | 6.0:rc1
Debian1 product
  • linux< 6.0.2-1

3 vendors · 97 products

References

7 links