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No exploitation reportedFix available

CVE-2022-48748

No exploitation reported by the sources we read.

  • Published2024-06-20
  • Fixed infd20d9738395 · c5e216e880fa · 446ff1fc37c7 · 14be8d448fca · 5.16.5 · 5.15.19
  • WeaknessCWE-400

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In the Linux kernel, the following vulnerability has been resolved: net: bridge: vlan: fix memory leak in __allowed_ingress When using per-vlan state, if vlan snooping and stats are disabled, untagged or priority-tagged ingress frame will go to check pvid state. If the port state is forwarding and the pvid state is not learning/forwarding, untagged or priority-tagged frame will be dropped but skb memory is not freed. Should free skb when __allowed_ingress returns false.

Timeline

dates in UTC
  1. 2024-06-2012:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-48748?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-48748?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

CISA-ADP · NVD
Linux linux kernel
BranchAffectedFixed in
—≥ a580c76d534c, < fd20d9738395fd20d9738395
—≥ a580c76d534c, < c5e216e880fac5e216e880fa
446.x≥ a580c76d534c, < 446ff1fc37c7446ff1fc37c7
14.x≥ a580c76d534c, < 14be8d448fca14be8d448fca
5.16≥ 5.16, < 5.16.55.16.5
5.x≥ 5.11, < 5.15.195.15.19
5.x≥ 5.6, < 5.10.965.10.96
5.17= 5.17no fix published
5.6= 5.6no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Linux linux kernel to fd20d9738395 · c5e216e880fa · 446ff1fc37c7 · 14be8d448fca · 5.16.5 · 5.15.19 · 5.10.96

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2024-06-20
Last Modified
2026-06-17
NVD status
Analyzed

Frequently asked questions

What is CVE-2022-48748?

In the Linux kernel, the following vulnerability has been resolved: net: bridge: vlan: fix memory leak in __allowed_ingress When using per-vlan state, if vlan snooping and stats are disabled, untagged or priority-tagged ingress frame will go to check pvid state. If the port state is forwarding and the pvid state is not learning/forwarding, untagged or priority-tagged frame will be dropped but skb memory is not freed. Should free skb when __allowed_ingress returns false.

Is CVE-2022-48748 actively exploited?

Active exploitation of CVE-2022-48748 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-48748?

CVE-2022-48748 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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