Review reviewHigh

CVE-2022-48964

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: ravb: Fix potential use-after-free in ravb_rx_gbeth() The skb is delivered to napi_gro_receive() which may free it, after calling this, dereferencing skb may trigger use-after-free.

CVSS
7.8
EPSS
0.31%
23.6% percentile
CISA KEV
Not listed
Published
2024.10.22
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.31%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: ravb: Fix potential use-after-free in ravb_rx_gbeth() The skb is delivered to napi_gro_receive() which may free it, after calling this, dereferencing skb may trigger use-after-free.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 1c59eb678cbd8d322d06d3a5514d36e8e1a4e84c < e63c681494dcc0527c625a0a4f59bf10259f5ee0, >= 1c59eb678cbd8d322d06d3a5514d36e8e1a4e84c < 5a5a3e564de6a8db987410c5c2f4748d50ea82b8, >= 5.16, >= 5.16 < 6.0.13, 6.1
Fixed versions
6.0.13

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416