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CVE-2022-49384md: fix double free of io_acct_set bioset
- 7.8HighCVSS base score
- 0.27%Exploitation in 30 daysEPSS · top 80% 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: md: fix double free of io_acct_set bioset Now io_acct_set is alloc and free in personality. Remove the codes that free io_acct_set in md_free and md_stop.
Timeline
ID reserved
By Linux
Published
- 15 months later
· 15 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 |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 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 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.27% · top 80% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected 00e3d58f50a875343124bcf5a9637520a492b0d1 – < 36a2fc44c574a59ee3b5e2cb327182f227b2b07e
- affected 0c031fd37f69deb0cd8c43bbfcfccd62ebd7e952 – < f99d5b5dc8a42c807b5f1176b925aa45d61962ab
- affected 0c031fd37f69deb0cd8c43bbfcfccd62ebd7e952 – < ea7d7bd90079d96f9c86bdaf0b106e0cd2a70661
- affected 0c031fd37f69deb0cd8c43bbfcfccd62ebd7e952 – < 42b805af102471f53e3c7867b8c2b502ea4eef7e
- affected 92053ae0398a58c6914e807d5e070297ba8cfe88
- affected 5.15.17 – < 5.15.46
- affected 5.16.3 – < 5.17
- affected 5.17
- unaffected < 5.17
- unaffected 5.15.46 – ≤ 5.15.*
- unaffected 5.17.14 – ≤ 5.17.*
- unaffected 5.18.3 – ≤ 5.18.*
- unaffected 5.19 – ≤ *
References
References4
- https://git.kernel.org/stable/c/36a2fc44c574a59ee3b5e2cb327182f227b2b07e (opens in a new tab)
- https://git.kernel.org/stable/c/f99d5b5dc8a42c807b5f1176b925aa45d61962ab (opens in a new tab)
- https://git.kernel.org/stable/c/ea7d7bd90079d96f9c86bdaf0b106e0cd2a70661 (opens in a new tab)
- https://git.kernel.org/stable/c/42b805af102471f53e3c7867b8c2b502ea4eef7e (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-2022-54845 (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-2022-49384)Record last updated .