6.2

CVE-2022-48646: sfc/siena: fix null pointer dereference in efx_hard_start_xmit

Analyzed
AliasesUBUNTU-CVE-2022-48646DEBIAN-CVE-2022-48646
Published 28-04-2024Last modified 11-05-2026

Vulnerability summary

CVE-2022-48646 is a medium (CVSS 6.2) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 10.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.2, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.2/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.20%
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 3 · Related 3
SUSE-SU-2024:1644-1SUSE-SU-2024:1659-1SUSE-SU-2024:1663-1

Timeline

  1. 28-04-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: sfc/siena: fix null pointer dereference in efx_hard_start_xmit Like in previous patch for sfc, prevent potential (but unlikely) NULL pointer dereference.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.20% 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, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu95 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 12804793b17c0e19115a90d98f2f3df0cb79e233, < a4eadca702dff0768dd01be6789bbec2a18e5b0a | ≥ 12804793b17c0e19115a90d98f2f3df0cb79e233, < 589c6eded10c77a12b7b2cf235b6b19a2bdb91fa | 5.10
  • linux_kernel≥ 5.10, < 5.19.12 | 6.0:rc1 | 6.0:rc2 | 6.0:rc3 | 6.0:rc4 | 6.0:rc5 | 6.0:rc6
Debian1 product
  • linux< 6.0.2-1

3 vendors · 98 products

References

6 links