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CVE-2022-48638cgroup: cgroup_get_from_id() must check the looked-up kn is a directory
- 5.3MediumCVSS base score
- 0.23%Exploitation in 30 daysEPSS · top 86% 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: cgroup: cgroup_get_from_id() must check the looked-up kn is a directory cgroup has to be one kernfs dir, otherwise kernel panic is caused, especially cgroup id is provide from userspace.
Timeline
ID reserved
By Linux
- 2 months later
· 2 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 |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| NVDNVD · Analyzed | 3.1 | Medium5.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
- EPSS (exploitation in 30 days)
- 0.23% · top 86% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
- affected 6b658c4863c15936872a93c9ee879043bf6393c9 – < 8484a356cee8ce3d6a8e6266ff99be326e9273ad
- affected 6b658c4863c15936872a93c9ee879043bf6393c9 – < 1e9571887f97b17cf3ffe9aa4da89090ea60988b
- affected 6b658c4863c15936872a93c9ee879043bf6393c9 – < df02452f3df069a59bc9e69c84435bf115cb6e37
- affected 5.14
- unaffected < 5.14
- unaffected 5.15.72 – ≤ 5.15.*
- unaffected 5.19.12 – ≤ 5.19.*
- unaffected 6.0 – ≤ *
References
References3
- https://git.kernel.org/stable/c/8484a356cee8ce3d6a8e6266ff99be326e9273ad (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/1e9571887f97b17cf3ffe9aa4da89090ea60988b (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/df02452f3df069a59bc9e69c84435bf115cb6e37 (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-2022-51333 (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-2022-48638)Record last updated .