CVE-2022-50384 (GCVE-0-2022-50384)
Vulnerability from cvelistv5 – Published: 2025-09-18 13:33 – Updated: 2026-01-14 18:53
VLAI?
Title
staging: vme_user: Fix possible UAF in tsi148_dma_list_add
Summary
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().
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
b2383c90a9d691201b9aee557776694cde86a935 , < 5cc4eea715a3fcf4e516662f736dfee63979465f
(git)
Affected: b2383c90a9d691201b9aee557776694cde86a935 , < 51c0ad3b7c5b01f9314758335a13f157b05fa56d (git) Affected: b2383c90a9d691201b9aee557776694cde86a935 , < e6b0adff99edf246ba1f8d464530a0438cb1cbda (git) Affected: b2383c90a9d691201b9aee557776694cde86a935 , < a45ba33d398a821147d7e5f16ead7eb125e331e2 (git) Affected: b2383c90a9d691201b9aee557776694cde86a935 , < 5d2b286eb034af114f67d9967fc3fbc1829bb712 (git) Affected: b2383c90a9d691201b9aee557776694cde86a935 , < 1f5661388f43df3ac106ce93e67d8d22b16a78ff (git) Affected: b2383c90a9d691201b9aee557776694cde86a935 , < cf138759a7e92c75cfc1b7ba705e4108fe330edf (git) Affected: b2383c90a9d691201b9aee557776694cde86a935 , < 85db68fc901da52314ded80aace99f8b684c7815 (git) Affected: b2383c90a9d691201b9aee557776694cde86a935 , < 357057ee55d3c99a5de5abe8150f7bca04f8e53b (git) |
|||||||
|
|||||||||
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\"*\", \"status\": \"unaffected\", \"versionType\": \"original_commit_for_fix\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.2\", \"versionEndExcluding\": \"4.9.337\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.2\", \"versionEndExcluding\": \"4.14.303\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.2\", \"versionEndExcluding\": \"4.19.270\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.2\", \"versionEndExcluding\": \"5.4.229\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.2\", \"versionEndExcluding\": \"5.10.163\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.2\", \"versionEndExcluding\": \"5.15.86\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.2\", \"versionEndExcluding\": \"6.0.16\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.2\", \"versionEndExcluding\": \"6.1.2\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.2\", \"versionEndExcluding\": \"6.2\"}]}]}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/5cc4eea715a3fcf4e516662f736dfee63979465f\"}, {\"url\": \"https://git.kernel.org/stable/c/51c0ad3b7c5b01f9314758335a13f157b05fa56d\"}, {\"url\": \"https://git.kernel.org/stable/c/e6b0adff99edf246ba1f8d464530a0438cb1cbda\"}, {\"url\": \"https://git.kernel.org/stable/c/a45ba33d398a821147d7e5f16ead7eb125e331e2\"}, {\"url\": \"https://git.kernel.org/stable/c/5d2b286eb034af114f67d9967fc3fbc1829bb712\"}, {\"url\": \"https://git.kernel.org/stable/c/1f5661388f43df3ac106ce93e67d8d22b16a78ff\"}, {\"url\": \"https://git.kernel.org/stable/c/cf138759a7e92c75cfc1b7ba705e4108fe330edf\"}, {\"url\": \"https://git.kernel.org/stable/c/85db68fc901da52314ded80aace99f8b684c7815\"}, {\"url\": \"https://git.kernel.org/stable/c/357057ee55d3c99a5de5abe8150f7bca04f8e53b\"}], \"title\": \"staging: vme_user: Fix possible UAF in tsi148_dma_list_add\", \"x_generator\": {\"engine\": \"bippy-1.2.0\"}}, \"adp\": [{\"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-50384\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-14T18:48:36.418605Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"shortName\": \"CISA-ADP\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"dateUpdated\": \"2026-01-14T18:48:32.589Z\"}, \"title\": \"CISA ADP Vulnrichment\"}]}",
"cveMetadata": "{\"cveId\": \"CVE-2022-50384\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Linux\", \"dateReserved\": \"2025-09-17T14:53:06.997Z\", \"datePublished\": \"2025-09-18T13:33:05.759Z\", \"dateUpdated\": \"2025-09-18T13:33:05.759Z\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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