Review reviewHigh

CVE-2024-42280

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: mISDN: Fix a use after free in hfcmulti_tx() Don't dereference *sp after calling dev_kfree_skb(*sp).

CVSS
7.8
EPSS
0.24%
15.6% percentile
CISA KEV
Not listed
Published
2024.08.17
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.24%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: mISDN: Fix a use after free in hfcmulti_tx() Don't dereference *sp after calling dev_kfree_skb(*sp).

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= af69fb3a8ffa37e986db00ed93099dc44babeef4 < 70db2c84631f50e02e6b32b543700699dd395803, >= af69fb3a8ffa37e986db00ed93099dc44babeef4 < d3e4d4a98c5629ccdcb762a0ff6c82ba9738a0c3, >= af69fb3a8ffa37e986db00ed93099dc44babeef4 < 9460ac3dd1ae033bc2b021a458fb535a0c36ddb2, >= af69fb3a8ffa37e986db00ed93099dc44babeef4 < 8f4030277dfb9dbe04fd78566b19931097c9d629, >= af69fb3a8ffa37e986db00ed93099dc44babeef4 < 4d8b642985ae24f4b3656438eb8489834a17bb80, >= af69fb3a8ffa37e986db00ed93099dc44babeef4 < ddc79556641ee070d36be0de4a1f0a16a71f1fc7, >= af69fb3a8ffa37e986db00ed93099dc44babeef4 < 7e4a539bca7d8d20f2c5d93c18cce8ef77cd78e0, >= af69fb3a8ffa37e986db00ed93099dc44babeef4 < 61ab751451f5ebd0b98e02276a44e23a10110402, >= 2.6.27, >= 2.6.27 < 4.19.320, >= 4.20 < 5.4.282, >= 5.5 < 5.10.224, >= 5.11 < 5.15.165, >= 5.16 < 6.1.103, >= 6.2 < 6.6.44, >= 6.7 < 6.10.3
Fixed versions
4.19.320, 5.4.282, 5.10.224, 5.15.165, 6.1.103, 6.6.44, 6.10.3

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
CVE-2024-42280 — Linux Linux, linux kernel | SECUFOCUS NOW