CVE-2021-46911 (GCVE-0-2021-46911)
Vulnerability from cvelistv5 – Published: 2024-02-27 06:53 – Updated: 2025-05-04 07:00
VLAI?
Title
ch_ktls: Fix kernel panic
Summary
In the Linux kernel, the following vulnerability has been resolved:
ch_ktls: Fix kernel panic
Taking page refcount is not ideal and causes kernel panic
sometimes. It's better to take tx_ctx lock for the complete
skb transmit, to avoid page cleanup if ACK received in middle.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
5a4b9fe7fece62ecab6fb28fe92362f83b41c33e , < 8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f
(git)
Affected: 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e , < 8348665d4181c68b0ca1205b48e1753d78bc810f (git) Affected: 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e , < 1a73e427b824133940c2dd95ebe26b6dce1cbf10 (git) |
||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-46911",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-06-26T20:42:53.147754Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-06-26T20:43:04.324Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-04T05:17:42.973Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f",
"status": "affected",
"version": "5a4b9fe7fece62ecab6fb28fe92362f83b41c33e",
"versionType": "git"
},
{
"lessThan": "8348665d4181c68b0ca1205b48e1753d78bc810f",
"status": "affected",
"version": "5a4b9fe7fece62ecab6fb28fe92362f83b41c33e",
"versionType": "git"
},
{
"lessThan": "1a73e427b824133940c2dd95ebe26b6dce1cbf10",
"status": "affected",
"version": "5a4b9fe7fece62ecab6fb28fe92362f83b41c33e",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.7"
},
{
"lessThan": "5.7",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.32",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.11.*",
"status": "unaffected",
"version": "5.11.16",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "5.12",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.32",
"versionStartIncluding": "5.7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.11.16",
"versionStartIncluding": "5.7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.12",
"versionStartIncluding": "5.7",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nch_ktls: Fix kernel panic\n\nTaking page refcount is not ideal and causes kernel panic\nsometimes. It\u0027s better to take tx_ctx lock for the complete\nskb transmit, to avoid page cleanup if ACK received in middle."
}
],
"providerMetadata": {
"dateUpdated": "2025-05-04T07:00:11.808Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f"
},
{
"url": "https://git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f"
},
{
"url": "https://git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10"
}
],
"title": "ch_ktls: Fix kernel panic",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2021-46911",
"datePublished": "2024-02-27T06:53:51.486Z",
"dateReserved": "2024-02-25T13:45:52.718Z",
"dateUpdated": "2025-05-04T07:00:11.808Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T05:17:42.973Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-46911\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-06-26T20:42:53.147754Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-06-26T20:42:58.253Z\"}}], \"cna\": {\"title\": \"ch_ktls: Fix kernel panic\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5a4b9fe7fece62ecab6fb28fe92362f83b41c33e\", \"lessThan\": \"8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5a4b9fe7fece62ecab6fb28fe92362f83b41c33e\", \"lessThan\": \"8348665d4181c68b0ca1205b48e1753d78bc810f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5a4b9fe7fece62ecab6fb28fe92362f83b41c33e\", \"lessThan\": \"1a73e427b824133940c2dd95ebe26b6dce1cbf10\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.7\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.7\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.32\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.11.16\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.11.*\"}, {\"status\": \"unaffected\", \"version\": \"5.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f\"}, {\"url\": \"https://git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f\"}, {\"url\": \"https://git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nch_ktls: Fix kernel panic\\n\\nTaking page refcount is not ideal and causes kernel panic\\nsometimes. It\u0027s better to take tx_ctx lock for the complete\\nskb transmit, to avoid page cleanup if ACK received in middle.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.32\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.11.16\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.12\", \"versionStartIncluding\": \"5.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T07:00:11.808Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2021-46911\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T07:00:11.808Z\", \"dateReserved\": \"2024-02-25T13:45:52.718Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-02-27T06:53:51.486Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
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.
Loading…
Loading…