CVE-2024-27403netfilter: nft_flow_offload: reset dst in route object after setting up flow
- 7.8HighCVSS base score
- 0.24%Exploitation in 30 daysEPSS · top 85% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By Linux
- 3 months later
· 3 months later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.24% · top 85% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected a3c90f7a2323b331ae816d5b0633e68148e25d04 – < 4c167af9f6b5ae4a5dbc243d5983c295ccc2e43c
- affected a3c90f7a2323b331ae816d5b0633e68148e25d04 – < 012df10717da02367aaf92c65f9c89db206c15f4
- affected a3c90f7a2323b331ae816d5b0633e68148e25d04 – < 558b00a30e05753a62ecc7e05e939ca8f0241148
- affected a3c90f7a2323b331ae816d5b0633e68148e25d04 – < 670548c8db44d76e40e1dfc06812bca36a61e9ae
- affected a3c90f7a2323b331ae816d5b0633e68148e25d04 – < 9e0f0430389be7696396c62f037be4bf72cf93e3
- affected 4.16
- unaffected < 4.16
- unaffected 5.15.150 – ≤ 5.15.*
- unaffected 6.1.80 – ≤ 6.1.*
- unaffected 6.6.19 – ≤ 6.6.*
- unaffected 6.7.7 – ≤ 6.7.*
- unaffected 6.8 – ≤ *
References
References5
- https://git.kernel.org/stable/c/4c167af9f6b5ae4a5dbc243d5983c295ccc2e43c (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/012df10717da02367aaf92c65f9c89db206c15f4 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/558b00a30e05753a62ecc7e05e939ca8f0241148 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/670548c8db44d76e40e1dfc06812bca36a61e9ae (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/9e0f0430389be7696396c62f037be4bf72cf93e3 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2024-24607 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-27403)Record last updated .