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CVE-2022-48768tracing/histogram: Fix a potential memory leak for kstrdup()
- 5.5MediumCVSS base score
- 0.21%Exploitation in 30 daysEPSS · top 89% 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: tracing/histogram: Fix a potential memory leak for kstrdup() kfree() is missing on an error path to free the memory allocated by kstrdup(): p = param = kstrdup(data->params[i], GFP_KERNEL); So it is better to free it via kfree(p).
Timeline
ID reserved
By Linux
Published
- 23 months later
· 23 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)
- 0.21% · top 89% 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 5.5.
Affected products
- affected 38b67e60b6b582e81f9db1b2e7176cbbfbd3e574 – < 8a8878ebb596281f50fc0b9a6e1f23f0d7f154e8
- affected d380dcde9a07ca5de4805dee11f58a98ec0ad6ff – < d71b06aa995007eafd247626d0669b9364c42ad7
- affected d380dcde9a07ca5de4805dee11f58a98ec0ad6ff – < e33fa4a46ee22de88a700e2e3d033da8214a5175
- affected d380dcde9a07ca5de4805dee11f58a98ec0ad6ff – < df86e2fe808c3536a9dba353cc2bebdfea00d0cf
- affected d380dcde9a07ca5de4805dee11f58a98ec0ad6ff – < e629e7b525a179e29d53463d992bdee759c950fb
- affected c78a2baf5e1fe1b38121d6b54bab77ccb81a1a86
- affected 5.4.19 – < 5.4.176
- affected 5.5.6 – < 5.6
- affected 5.6
- unaffected < 5.6
- unaffected 5.4.176 – ≤ 5.4.*
- unaffected 5.10.96 – ≤ 5.10.*
- unaffected 5.15.19 – ≤ 5.15.*
- unaffected 5.16.5 – ≤ 5.16.*
- unaffected 5.17 – ≤ *
References
References5
- https://git.kernel.org/stable/c/8a8878ebb596281f50fc0b9a6e1f23f0d7f154e8 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/d71b06aa995007eafd247626d0669b9364c42ad7 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/e33fa4a46ee22de88a700e2e3d033da8214a5175 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/df86e2fe808c3536a9dba353cc2bebdfea00d0cf (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/e629e7b525a179e29d53463d992bdee759c950fb (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-2022-53647 (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-2022-48768)Record last updated .