CVE-2022-48748

net: bridge: vlan: fix memory leak in __allowed_ingress

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.22%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/446ff1fc37c74093e81db40811a07b5a19f1d797 patch
https://git.kernel.org/stable/c/c5e216e880fa6f2cd9d4a6541269377657163098 patch
https://git.kernel.org/stable/c/14be8d448fca6fe7b2a413831eedd55aef6c6511 patch
https://git.kernel.org/stable/c/fd20d9738395cf8e27d0a17eba34169699fccdff patch

Frequently Asked Questions

What is the severity of CVE-2022-48748?
CVE-2022-48748 has been scored as a high severity vulnerability.
How to fix CVE-2022-48748?
To fix CVE-2022-48748, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-48748 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-48748 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-48748?
CVE-2022-48748 affects Linux Linux, Linux Linux.
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