CVE-2026-23021 (GCVE-0-2026-23021)
Vulnerability from cvelistv5 – Published: 2026-01-31 11:39 – Updated: 2026-06-11 18:44
VLAI
EPSS
VEX
Title
net: usb: pegasus: fix memory leak in update_eth_regs_async()
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: usb: pegasus: fix memory leak in update_eth_regs_async()
When asynchronously writing to the device registers and if usb_submit_urb()
fail, the code fail to release allocated to this point resources.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 20:41 UTC
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
323b34963d113efb566635f43858f40cce01d5f9 , < 5397ea6d21c35a17707e201a60761bdee00bcc4e
(git)
Affected: 323b34963d113efb566635f43858f40cce01d5f9 , < a40af9a2904a1ab8ce61866ebe2a894ef30754ba (git) Affected: 323b34963d113efb566635f43858f40cce01d5f9 , < ac5d92d2826dec51e5d4c6854865bc5817277452 (git) Affected: 323b34963d113efb566635f43858f40cce01d5f9 , < 93f18eaa190374e0f2d253e3b1a65cee19a7abe6 (git) Affected: 323b34963d113efb566635f43858f40cce01d5f9 , < 471dfb97599eec74e0476046b3ef8e7037f27b34 (git) Affected: 323b34963d113efb566635f43858f40cce01d5f9 , < ce6eef731aba23a988decea1df3b08cf978f7b01 (git) Affected: 323b34963d113efb566635f43858f40cce01d5f9 , < afa27621a28af317523e0836dad430bec551eb54 (git) |
guessed | |
| Linux | Linux |
Affected:
3.10
Unaffected: 0 , < 3.10 (semver) Unaffected: 5.10.248 , ≤ 5.10.* (semver) Unaffected: 5.15.198 , ≤ 5.15.* (semver) Unaffected: 6.1.161 , ≤ 6.1.* (semver) Unaffected: 6.6.121 , ≤ 6.6.* (semver) Unaffected: 6.12.66 , ≤ 6.12.* (semver) Unaffected: 6.18.6 , ≤ 6.18.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix) |
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-23021",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-10T20:41:03.342469Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-11T18:44:08.264Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/usb/pegasus.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "5397ea6d21c35a17707e201a60761bdee00bcc4e",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "a40af9a2904a1ab8ce61866ebe2a894ef30754ba",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "ac5d92d2826dec51e5d4c6854865bc5817277452",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "93f18eaa190374e0f2d253e3b1a65cee19a7abe6",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "471dfb97599eec74e0476046b3ef8e7037f27b34",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "ce6eef731aba23a988decea1df3b08cf978f7b01",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "afa27621a28af317523e0836dad430bec551eb54",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/usb/pegasus.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "3.10"
},
{
"lessThan": "3.10",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.248",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.198",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.161",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.121",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.66",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.6",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.19",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.248",
"versionStartIncluding": "3.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.198",
"versionStartIncluding": "3.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.161",
"versionStartIncluding": "3.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.121",
"versionStartIncluding": "3.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.66",
"versionStartIncluding": "3.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.6",
"versionStartIncluding": "3.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.19",
"versionStartIncluding": "3.10",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: pegasus: fix memory leak in update_eth_regs_async()\n\nWhen asynchronously writing to the device registers and if usb_submit_urb()\nfail, the code fail to release allocated to this point resources."
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T21:58:28.399Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/5397ea6d21c35a17707e201a60761bdee00bcc4e"
},
{
"url": "https://git.kernel.org/stable/c/a40af9a2904a1ab8ce61866ebe2a894ef30754ba"
},
{
"url": "https://git.kernel.org/stable/c/ac5d92d2826dec51e5d4c6854865bc5817277452"
},
{
"url": "https://git.kernel.org/stable/c/93f18eaa190374e0f2d253e3b1a65cee19a7abe6"
},
{
"url": "https://git.kernel.org/stable/c/471dfb97599eec74e0476046b3ef8e7037f27b34"
},
{
"url": "https://git.kernel.org/stable/c/ce6eef731aba23a988decea1df3b08cf978f7b01"
},
{
"url": "https://git.kernel.org/stable/c/afa27621a28af317523e0836dad430bec551eb54"
}
],
"title": "net: usb: pegasus: fix memory leak in update_eth_regs_async()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-23021",
"datePublished": "2026-01-31T11:39:05.152Z",
"dateReserved": "2026-01-13T15:37:45.941Z",
"dateUpdated": "2026-06-11T18:44:08.264Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-23021",
"date": "2026-10-04",
"epss": "0.00175",
"percentile": "0.06285"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/usb/pegasus.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "5397ea6d21c35a17707e201a60761bdee00bcc4e",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "a40af9a2904a1ab8ce61866ebe2a894ef30754ba",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "ac5d92d2826dec51e5d4c6854865bc5817277452",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "93f18eaa190374e0f2d253e3b1a65cee19a7abe6",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "471dfb97599eec74e0476046b3ef8e7037f27b34",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "ce6eef731aba23a988decea1df3b08cf978f7b01",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "afa27621a28af317523e0836dad430bec551eb54",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/usb/pegasus.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "3.10"
},
{
"lessThan": "3.10",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.248",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.198",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.161",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.121",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.66",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.6",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.19",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "EF50C87B-4799-493D-B6D4-1222ADF5285D",
"versionEndExcluding": "5.10.248",
"versionStartIncluding": "3.10.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "82159CAA-B6BA-43C6-85D8-65BDBC175A7E",
"versionEndExcluding": "5.15.198",
"versionStartIncluding": "5.11",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E135B7E2-61FC-4DC1-8570-ABD67894FFDE",
"versionEndExcluding": "6.1.161",
"versionStartIncluding": "5.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "BB7A164B-7422-4A1C-82FB-5FCAEE53C06C",
"versionEndExcluding": "6.6.121",
"versionStartIncluding": "6.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "F72B884C-B44F-40E4-9895-CE421AC663D0",
"versionEndExcluding": "6.12.66",
"versionStartIncluding": "6.7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "879529BC-5B4C-4EBE-BF1D-1A31404A8B2E",
"versionEndExcluding": "6.18.6",
"versionStartIncluding": "6.13",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:3.10:-:*:*:*:*:*:*",
"matchCriteriaId": "82D28405-E1F2-43CF-AA38-B228805AFFF9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*",
"matchCriteriaId": "17B67AA7-40D6-4AFA-8459-F200F3D7CFD1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*",
"matchCriteriaId": "C47E4CC9-C826-4FA9-B014-7FE3D9B318B2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*",
"matchCriteriaId": "F71D92C0-C023-48BD-B3B6-70B638EEE298",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*",
"matchCriteriaId": "13580667-0A98-40CC-B29F-D12790B91BDB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*",
"matchCriteriaId": "CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*",
"matchCriteriaId": "3EF854A1-ABB1-4E93-BE9A-44569EC76C0D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*",
"matchCriteriaId": "F5DC0CA6-F0AF-4DDF-A882-3DADB9A886A7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*",
"matchCriteriaId": "EB5B7DFC-C36B-45D8-922C-877569FDDF43",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: pegasus: fix memory leak in update_eth_regs_async()\n\nWhen asynchronously writing to the device registers and if usb_submit_urb()\nfail, the code fail to release allocated to this point resources."
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnet: usb: pegasus: corregir fuga de memoria en update_eth_regs_async()\n\nCuando se escribe asincr\u00f3nicamente en los registros del dispositivo y si usb_submit_urb() falla, el c\u00f3digo falla en liberar los recursos asignados hasta este punto."
}
],
"id": "CVE-2026-23021",
"lastModified": "2026-06-17T10:20:43.577",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-23021",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-10T20:41:03.342469Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-01-31T12:16:05.413",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/471dfb97599eec74e0476046b3ef8e7037f27b34"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/5397ea6d21c35a17707e201a60761bdee00bcc4e"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/93f18eaa190374e0f2d253e3b1a65cee19a7abe6"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/a40af9a2904a1ab8ce61866ebe2a894ef30754ba"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/ac5d92d2826dec51e5d4c6854865bc5817277452"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/afa27621a28af317523e0836dad430bec551eb54"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/ce6eef731aba23a988decea1df3b08cf978f7b01"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-401"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-28T07:18:09+00:00",
"cve": "CVE-2026-23021",
"id": "CVE-2026-23021",
"initial_release_date": "2026-01-31T00:00:00+00:00",
"product_status:known_affected": "274",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: Linux kernel (net: usb: pegasus): Denial of Service due to memory leak",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23021.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-07-24T02:40:57Z",
"cve": "CVE-2026-23021",
"id": "CVE-2026-23021",
"initial_release_date": "2026-02-01T00:23:56Z",
"product_status:first_fixed": "2",
"product_status:known_affected": "558",
"product_status:known_not_affected": "13",
"product_status:recommended": "295",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2026-23021",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-23021.json",
"version": "25"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-23021",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-10T20:41:03.342469Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-11T17:37:56.362Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/usb/pegasus.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "5397ea6d21c35a17707e201a60761bdee00bcc4e",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "a40af9a2904a1ab8ce61866ebe2a894ef30754ba",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "ac5d92d2826dec51e5d4c6854865bc5817277452",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "93f18eaa190374e0f2d253e3b1a65cee19a7abe6",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "471dfb97599eec74e0476046b3ef8e7037f27b34",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "ce6eef731aba23a988decea1df3b08cf978f7b01",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
},
{
"lessThan": "afa27621a28af317523e0836dad430bec551eb54",
"status": "affected",
"version": "323b34963d113efb566635f43858f40cce01d5f9",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/usb/pegasus.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "3.10"
},
{
"lessThan": "3.10",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.248",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.198",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.161",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.121",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.66",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.6",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.19",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.248",
"versionStartIncluding": "3.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.198",
"versionStartIncluding": "3.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.161",
"versionStartIncluding": "3.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.121",
"versionStartIncluding": "3.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.66",
"versionStartIncluding": "3.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.6",
"versionStartIncluding": "3.10",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.19",
"versionStartIncluding": "3.10",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: pegasus: fix memory leak in update_eth_regs_async()\n\nWhen asynchronously writing to the device registers and if usb_submit_urb()\nfail, the code fail to release allocated to this point resources."
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T21:58:28.399Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/5397ea6d21c35a17707e201a60761bdee00bcc4e"
},
{
"url": "https://git.kernel.org/stable/c/a40af9a2904a1ab8ce61866ebe2a894ef30754ba"
},
{
"url": "https://git.kernel.org/stable/c/ac5d92d2826dec51e5d4c6854865bc5817277452"
},
{
"url": "https://git.kernel.org/stable/c/93f18eaa190374e0f2d253e3b1a65cee19a7abe6"
},
{
"url": "https://git.kernel.org/stable/c/471dfb97599eec74e0476046b3ef8e7037f27b34"
},
{
"url": "https://git.kernel.org/stable/c/ce6eef731aba23a988decea1df3b08cf978f7b01"
},
{
"url": "https://git.kernel.org/stable/c/afa27621a28af317523e0836dad430bec551eb54"
}
],
"title": "net: usb: pegasus: fix memory leak in update_eth_regs_async()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-23021",
"datePublished": "2026-01-31T11:39:05.152Z",
"dateReserved": "2026-01-13T15:37:45.941Z",
"dateUpdated": "2026-06-11T18:44:08.264Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…