CVE-2024-26808: netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain
First published: Thu Apr 04 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.10.210 | 5.10.210 |
| redhat/kernel | <5.15.149 | 5.15.149 |
| redhat/kernel | <6.1.76 | 6.1.76 |
| redhat/kernel | <6.6.15 | 6.6.15 |
| redhat/kernel | <6.7.3 | 6.7.3 |
| redhat/kernel | <6.8 | 6.8 |
| Linux Kernel | >=5.10<5.10.210 | |
| Linux Kernel | >=5.11<5.15.149 | |
| Linux Kernel | >=5.16<=6.1.76 | |
| Linux Kernel | >=6.2<6.6.15 | |
| Linux Kernel | >=6.7<6.7.3 | |
| Linux Kernel | =6.8-rc1 | |
| Debian Linux | =10.0 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.135-1 6.12.25-1 6.12.27-1 |
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Reference Links
- https://git.kernel.org/stable/c/01acb2e8666a6529697141a6017edbf206921913
- https://git.kernel.org/stable/c/36a0a80f32209238469deb481967d777a3d539ee
- https://git.kernel.org/stable/c/70f17b48c86622217a58d5099d29242fc9adac58
- https://git.kernel.org/stable/c/9489e214ea8f2a90345516016aa51f2db3a8cc2f
- https://git.kernel.org/stable/c/af149a46890e8285d1618bd68b8d159bdb87fdb3
- https://git.kernel.org/stable/c/e5888acbf1a3d8d021990ce6c6061fd5b2bb21b4
- https://launchpad.net/bugs/cve/CVE-2024-26808
- https://access.redhat.com/security/cve/CVE-2024-26808
- https://lore.kernel.org/linux-cve-announce/2024040458-CVE-2024-26808-2df2@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2273406
- https://access.redhat.com/errata/RHSA-2024:4823
- https://access.redhat.com/errata/RHSA-2024:4831
- https://access.redhat.com/errata/RHSA-2024:5256
- https://access.redhat.com/errata/RHSA-2024:5257
- https://access.redhat.com/errata/RHSA-2024:5363
- https://bugzilla.redhat.com/show_bug.cgi?id=2273405
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26808
- https://nvd.nist.gov/vuln/detail/CVE-2024-26808
- https://security-tracker.debian.org/tracker/CVE-2024-26808
- https://ubuntu.com/security/CVE-2024-26808
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://git.kernel.org/linus/01acb2e8666a6529697141a6017edbf206921913
Frequently Asked Questions
What is the severity of CVE-2024-26808?
CVE-2024-26808 has been classified with a severity rating of medium.
How do I fix CVE-2024-26808?
To fix CVE-2024-26808, update the kernel to one of the patched versions listed in your distribution's advisory.
Which Linux kernel versions are affected by CVE-2024-26808?
CVE-2024-26808 affects multiple kernel versions including those before 5.10.210, 5.15.149, 6.1.76, and others as listed in the vulnerability report.
What impact does CVE-2024-26808 have on system security?
CVE-2024-26808 may allow an attacker to exploit the stale reference to netdevice in the ingress basechain, potentially compromising network functionalities.
Is there a workaround for CVE-2024-26808?
There are no recommended workarounds for CVE-2024-26808, and it is best mitigated by applying available patches.
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