CVE-2024-27403: netfilter: nft_flow_offload: reset dst in route object after setting up flow
First published: Fri May 17 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_flow_offload: reset dst in route object after setting up flow dst is transferred to the flow object, route object does not own it anymore. Reset dst in route object, otherwise if flow_offload_add() fails, error path releases dst twice, leading to a refcount underflow.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.15.150 | 5.15.150 |
| redhat/kernel | <6.1.80 | 6.1.80 |
| redhat/kernel | <6.6.19 | 6.6.19 |
| redhat/kernel | <6.7.7 | 6.7.7 |
| redhat/kernel | <6.8 | 6.8 |
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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Reference Links
- https://git.kernel.org/stable/c/012df10717da02367aaf92c65f9c89db206c15f4
- https://git.kernel.org/stable/c/4c167af9f6b5ae4a5dbc243d5983c295ccc2e43c
- https://git.kernel.org/stable/c/558b00a30e05753a62ecc7e05e939ca8f0241148
- https://git.kernel.org/stable/c/670548c8db44d76e40e1dfc06812bca36a61e9ae
- https://git.kernel.org/stable/c/9e0f0430389be7696396c62f037be4bf72cf93e3
- https://launchpad.net/bugs/cve/CVE-2024-27403
- https://access.redhat.com/security/cve/CVE-2024-27403
- https://lore.kernel.org/linux-cve-announce/2024051738-CVE-2024-27403-c4ba@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2281128
- https://access.redhat.com/errata/RHSA-2024:4106
- https://access.redhat.com/errata/RHSA-2024:4108
- https://access.redhat.com/errata/RHSA-2024:5256
- https://access.redhat.com/errata/RHSA-2024:5257
- https://access.redhat.com/errata/RHSA-2024:8162
- https://bugzilla.redhat.com/show_bug.cgi?id=2281127
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-27403
- https://nvd.nist.gov/vuln/detail/CVE-2024-27403
- https://security-tracker.debian.org/tracker/CVE-2024-27403
- https://ubuntu.com/security/CVE-2024-27403
- https://git.kernel.org/linus/9e0f0430389be7696396c62f037be4bf72cf93e3
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