cve-2023-52915
Vulnerability from cvelistv5
Published
2024-09-06 09:07
Modified
2024-12-19 08:28
Severity ?
EPSS score ?
Summary
media: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer
References
{
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"content": {
"id": "CVE-2023-52915",
"options": [
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"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-10T00:39:49.807538Z",
"version": "2.0.3"
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"dateUpdated": "2024-09-10T14:09:11.116Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/media/usb/dvb-usb-v2/af9035.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
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"vendor": "Linux",
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"version": "4.14.326",
"versionType": "semver"
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"version": "4.19.295",
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"version": "6.1.55",
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{
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"version": "6.5.5",
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"status": "unaffected",
"version": "6.6",
"versionType": "original_commit_for_fix"
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer\n\nIn af9035_i2c_master_xfer, msg is controlled by user. When msg[i].buf\nis null and msg[i].len is zero, former checks on msg[i].buf would be\npassed. Malicious data finally reach af9035_i2c_master_xfer. If accessing\nmsg[i].buf[0] without sanity check, null ptr deref would happen.\nWe add check on msg[i].len to prevent crash.\n\nSimilar commit:\ncommit 0ed554fd769a\n(\"media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()\")"
}
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"providerMetadata": {
"dateUpdated": "2024-12-19T08:28:29.067Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"url": "https://git.kernel.org/stable/c/b2f54ed7739dfdf42c4df0a11131aad7c8635464"
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"url": "https://git.kernel.org/stable/c/fa58d9db5cad4bb7bb694b6837e3b96d87554f2b"
},
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"url": "https://git.kernel.org/stable/c/b49c6e5dd236787f13a062ec528d724169f11152"
},
{
"url": "https://git.kernel.org/stable/c/6c01ef65de0b321b2db1ef9abf8f1d15862b937e"
},
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"url": "https://git.kernel.org/stable/c/d9ef84a7c222497ecb5fdf93361c76931804825e"
},
{
"url": "https://git.kernel.org/stable/c/0143f282b15f7cedc0392ea10050fb6000fd16e6"
},
{
"url": "https://git.kernel.org/stable/c/41b7181a40af84448a2b144fb02d8bf32b7e9a23"
},
{
"url": "https://git.kernel.org/stable/c/7bf744f2de0a848fb1d717f5831b03db96feae89"
}
],
"title": "media: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer",
"x_generator": {
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"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2023-52915",
"datePublished": "2024-09-06T09:07:49.695Z",
"dateReserved": "2024-08-21T06:07:11.017Z",
"dateUpdated": "2024-12-19T08:28:29.067Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
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If accessing\\nmsg[i].buf[0] without sanity check, null ptr deref would happen.\\nWe add check on msg[i].len to prevent crash.\\n\\nSimilar commit:\\ncommit 0ed554fd769a\\n(\\\"media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()\\\")\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer En af9035_i2c_master_xfer, msg est\u00e1 controlado por el usuario. Cuando msg[i].buf es nulo y msg[i].len es cero, se pasar\u00edan las comprobaciones anteriores en msg[i].buf. Los datos maliciosos finalmente llegan a af9035_i2c_master_xfer. Si se accede a msg[i].buf[0] sin una comprobaci\u00f3n de cordura, se producir\u00eda una desreferencia nula de ptr. Agregamos una comprobaci\u00f3n en msg[i].len para evitar un bloqueo. Commit similar: commit 0ed554fd769a (\\\"media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()\\\")\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.14.326\",\"matchCriteriaId\":\"C67A42DD-BAE5-4A0C-9EB9-679ACF1CD6B2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.295\",\"matchCriteriaId\":\"D419C7D6-F33D-4EF8-8950-1CB5DDF6A55D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.257\",\"matchCriteriaId\":\"834BD148-28EC-43A4-A4F5-458124A1E39F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.197\",\"matchCriteriaId\":\"FD17EA9A-DF74-4876-AADC-C204F0716961\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.133\",\"matchCriteriaId\":\"21236FF3-9B2C-4C1A-8780-BC5BCA44AA51\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.55\",\"matchCriteriaId\":\"0EFCF8E8-5528-46B9-8C17-B09792899CE0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.5.5\",\"matchCriteriaId\":\"8CF71E85-DA24-4925-95C5-E5C15DA71AE6\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0143f282b15f7cedc0392ea10050fb6000fd16e6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/41b7181a40af84448a2b144fb02d8bf32b7e9a23\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6c01ef65de0b321b2db1ef9abf8f1d15862b937e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7bf744f2de0a848fb1d717f5831b03db96feae89\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b2f54ed7739dfdf42c4df0a11131aad7c8635464\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b49c6e5dd236787f13a062ec528d724169f11152\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d9ef84a7c222497ecb5fdf93361c76931804825e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fa58d9db5cad4bb7bb694b6837e3b96d87554f2b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.