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Review reviewHigh

CVE-2022-48851

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: staging: gdm724x: fix use after free in gdm_lte_rx() The netif_rx_ni() function frees the skb so we can't dereference it to save the skb->len.

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2024.07.16
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: staging: gdm724x: fix use after free in gdm_lte_rx() The netif_rx_ni() function frees the skb so we can't dereference it to save the skb->len.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 61e121047645122c47714fcda684d0ee67f444af < 6dc7b87c62423bfa68139fe95e85028aab584c9a, >= 61e121047645122c47714fcda684d0ee67f444af < 83a9c886c2b5a0d28c0b37e1736b47f38d61332a, >= 61e121047645122c47714fcda684d0ee67f444af < 48ecdf3e29a6e514e8196691589c7dfc6c4ac169, >= 61e121047645122c47714fcda684d0ee67f444af < 403e3afe241b62401de1f8629c9c6b9b3d69dbff, >= 61e121047645122c47714fcda684d0ee67f444af < 6d9700b445098dbbce0caff4b8cfca214cf1e757, >= 61e121047645122c47714fcda684d0ee67f444af < 1fb9dd3787495b4deb0efe66c58306b65691a48f, >= 61e121047645122c47714fcda684d0ee67f444af < d39dc79513e99147b4c158a8a9e46743e23944f5, >= 61e121047645122c47714fcda684d0ee67f444af < fc7f750dc9d102c1ed7bbe4591f991e770c99033, >= 3.12, >= 3.12 < 4.9.307, >= 4.10 < 4.14.272, >= 4.15 < 4.19.235, >= 4.20 < 5.4.185, >= 5.5 < 5.10.106, >= 5.11 < 5.15.29, >= 5.16 < 5.16.15
Fixed versions
4.9.307, 4.14.272, 4.19.235, 5.4.185, 5.10.106, 5.15.29, 5.16.15

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