CVE-2026-43317most: core: fix leak on early registration failure
- 5.5MediumCVSS base score
- 0.12%Exploitation in 30 daysEPSS · top 98% 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: most: core: fix leak on early registration failure A recent commit fixed a resource leak on early registration failures but for some reason left out the first error path which still leaks the resources associated with the interface. Fix up also the first error path so that the interface is always released on errors.
Timeline
ID reserved
By Linux
- 7 days later
· 7 days later
Published
- 6 months later
· 6 months 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 |
|---|---|---|---|
| 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)
- 0.12% · top 98% of all CVEs (13 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 723de0f9171eeb49a3ae98cae82ebbbb992b3a7c – < 04474009a2ea7aa27c67d323952a23bb16d5acc5
- affected 723de0f9171eeb49a3ae98cae82ebbbb992b3a7c – < bbfe49ffb892bddf32c34bea95b7ff0fc30affb5
- affected 723de0f9171eeb49a3ae98cae82ebbbb992b3a7c – < f1ba620f9e8d7291f80c0554e4b820f5fb30e819
- affected 723de0f9171eeb49a3ae98cae82ebbbb992b3a7c – < 5fd4396c2e48e90cc2597a86c18227d56ea845f0
- affected 723de0f9171eeb49a3ae98cae82ebbbb992b3a7c – < 2c198c272f9c9213b0fdf6b4a879f445c574f416
- affected 5.6
- unaffected < 5.6
- unaffected 6.6.160 – ≤ 6.6.*
- unaffected 6.12.75 – ≤ 6.12.*
- unaffected 6.18.16 – ≤ 6.18.*
- unaffected 6.19.6 – ≤ 6.19.*
- unaffected 7.0 – ≤ *
References
References5
- https://git.kernel.org/stable/c/04474009a2ea7aa27c67d323952a23bb16d5acc5 (opens in a new tab)
- https://git.kernel.org/stable/c/bbfe49ffb892bddf32c34bea95b7ff0fc30affb5 (opens in a new tab)
- https://git.kernel.org/stable/c/f1ba620f9e8d7291f80c0554e4b820f5fb30e819 (opens in a new tab)
- https://git.kernel.org/stable/c/5fd4396c2e48e90cc2597a86c18227d56ea845f0 (opens in a new tab)
- https://git.kernel.org/stable/c/2c198c272f9c9213b0fdf6b4a879f445c574f416 (opens in a new tab)
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-2026-28601 (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-2026-43317)Record last updated .