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CVE-2022-48639
net: sched: fix possible refcount leak in tc_new_tfilter()
Medium5.5EPSS 0.23%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: net: sched: fix possible refcount leak in tc_new_tfilter() tfilter_put need to be called to put the refount got by tp->ops->get to avoid possible refcount leak when chain->tmplt_ops != NULL and chain->tmplt_ops != tp->ops.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 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)
- 0.23% · top 86% of all CVEs (4 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 7d5509fa0d3ddfe252b4418513e493ac98de3317 – < 903f7d322c17d8e306d766404b4604e81653902a
- affected 7d5509fa0d3ddfe252b4418513e493ac98de3317 – < 8844c750eeb03452e2b3319c27a526f447b82596
- affected 7d5509fa0d3ddfe252b4418513e493ac98de3317 – < f8162aed962be8fa07445b2b5928e84ab40dd8d7
- affected 7d5509fa0d3ddfe252b4418513e493ac98de3317 – < 0559d91ee3a2cd81b15ad5cd507539d6da867f88
- affected 7d5509fa0d3ddfe252b4418513e493ac98de3317 – < c2e1cfefcac35e0eea229e148c8284088ce437b5
- affected 5.1
- unaffected < 5.1
- unaffected 5.4.215 – ≤ 5.4.*
- unaffected 5.10.146 – ≤ 5.10.*
- unaffected 5.15.71 – ≤ 5.15.*
- unaffected 5.19.12 – ≤ 5.19.*
- unaffected 6.0 – ≤ *
References (5)
- https://git.kernel.org/stable/c/903f7d322c17d8e306d766404b4604e81653902a (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/8844c750eeb03452e2b3319c27a526f447b82596 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/f8162aed962be8fa07445b2b5928e84ab40dd8d7 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/0559d91ee3a2cd81b15ad5cd507539d6da867f88 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/c2e1cfefcac35e0eea229e148c8284088ce437b5 (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)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2022-48639)Record last updated .