CVE-2022-50384
staging: vme_user: Fix possible UAF in tsi148_dma_list_add
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: staging: vme_user: Fix possible UAF in tsi148_dma_list_add Smatch report warning as follows: drivers/staging/vme_user/vme_tsi148.c:1757 tsi148_dma_list_add() warn: '&entry->list' not removed from list In tsi148_dma_list_add(), the error path "goto err_dma" will not remove entry->list from list->entries, but entry will be freed, then list traversal may cause UAF. Fix by removeing it from list->entries before free().
Timeline
ID reserved
By Linux
- 1 day later
· 1 day later
Published
- 11 months later
· 11 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 |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 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)
- 0.17% · top 93% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected b2383c90a9d691201b9aee557776694cde86a935 – < 5cc4eea715a3fcf4e516662f736dfee63979465f
- affected b2383c90a9d691201b9aee557776694cde86a935 – < 51c0ad3b7c5b01f9314758335a13f157b05fa56d
- affected b2383c90a9d691201b9aee557776694cde86a935 – < e6b0adff99edf246ba1f8d464530a0438cb1cbda
- affected b2383c90a9d691201b9aee557776694cde86a935 – < a45ba33d398a821147d7e5f16ead7eb125e331e2
- affected b2383c90a9d691201b9aee557776694cde86a935 – < 5d2b286eb034af114f67d9967fc3fbc1829bb712
- affected b2383c90a9d691201b9aee557776694cde86a935 – < 1f5661388f43df3ac106ce93e67d8d22b16a78ff
- affected b2383c90a9d691201b9aee557776694cde86a935 – < cf138759a7e92c75cfc1b7ba705e4108fe330edf
- affected b2383c90a9d691201b9aee557776694cde86a935 – < 85db68fc901da52314ded80aace99f8b684c7815
- affected b2383c90a9d691201b9aee557776694cde86a935 – < 357057ee55d3c99a5de5abe8150f7bca04f8e53b
- affected 4.2
- unaffected < 4.2
- unaffected 4.9.337 – ≤ 4.9.*
- unaffected 4.14.303 – ≤ 4.14.*
- unaffected 4.19.270 – ≤ 4.19.*
- unaffected 5.4.229 – ≤ 5.4.*
- unaffected 5.10.163 – ≤ 5.10.*
- unaffected 5.15.86 – ≤ 5.15.*
- unaffected 6.0.16 – ≤ 6.0.*
- unaffected 6.1.2 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References (9)
- https://git.kernel.org/stable/c/5cc4eea715a3fcf4e516662f736dfee63979465f (opens in a new tab)
- https://git.kernel.org/stable/c/51c0ad3b7c5b01f9314758335a13f157b05fa56d (opens in a new tab)
- https://git.kernel.org/stable/c/e6b0adff99edf246ba1f8d464530a0438cb1cbda (opens in a new tab)
- https://git.kernel.org/stable/c/a45ba33d398a821147d7e5f16ead7eb125e331e2 (opens in a new tab)
- https://git.kernel.org/stable/c/5d2b286eb034af114f67d9967fc3fbc1829bb712 (opens in a new tab)
- https://git.kernel.org/stable/c/1f5661388f43df3ac106ce93e67d8d22b16a78ff (opens in a new tab)
- https://git.kernel.org/stable/c/cf138759a7e92c75cfc1b7ba705e4108fe330edf (opens in a new tab)
- https://git.kernel.org/stable/c/85db68fc901da52314ded80aace99f8b684c7815 (opens in a new tab)
- https://git.kernel.org/stable/c/357057ee55d3c99a5de5abe8150f7bca04f8e53b (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)
- 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://trackcve.app/cve/CVE-2022-50384)Record last updated .