Review reviewHigh

CVE-2024-26808

Linux Linux, linux kernel, debian linux

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain Remove netdevice from inet/ingress basechain in case NETDEV_UNREGISTER event is reported, otherwise a stale reference to netdevice remains in the hook list.

CVSS
7.8
EPSS
0.26%
17.0% percentile
CISA KEV
Not listed
Published
2024.04.04
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.26%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain Remove netdevice from inet/ingress basechain in case NETDEV_UNREGISTER event is reported, otherwise a stale reference to netdevice remains in the hook list.

Affected product and versions

Product
Linux Linux, linux kernel, debian linux
Affected versions
>= 60a3815da702fd9e4759945f26cce5c47d3967ad < 9489e214ea8f2a90345516016aa51f2db3a8cc2f, >= 60a3815da702fd9e4759945f26cce5c47d3967ad < 70f17b48c86622217a58d5099d29242fc9adac58, >= 60a3815da702fd9e4759945f26cce5c47d3967ad < af149a46890e8285d1618bd68b8d159bdb87fdb3, >= 60a3815da702fd9e4759945f26cce5c47d3967ad < e5888acbf1a3d8d021990ce6c6061fd5b2bb21b4, >= 60a3815da702fd9e4759945f26cce5c47d3967ad < 36a0a80f32209238469deb481967d777a3d539ee, >= 60a3815da702fd9e4759945f26cce5c47d3967ad < 01acb2e8666a6529697141a6017edbf206921913, >= 5.10, >= 5.10 < 5.10.210, >= 5.11 < 5.15.149, >= 5.16 <= 6.1.76, >= 6.2 < 6.6.15, >= 6.7 < 6.7.3, 6.8, 10.0
Fixed versions
5.10.210, 5.15.149, 6.6.15, 6.7.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel, debian linux 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
Not available
CVE-2024-26808 — Linux Linux, linux kernel, debian linux | SECUFOCUS NOW