CVE-2023-53435 (GCVE-0-2023-53435)
Vulnerability from cvelistv5 – Published: 2025-09-18 16:04 – Updated: 2026-05-11 19:44
VLAI
EPSS
VEX
Title
cassini: Fix a memory leak in the error handling path of cas_init_one()
Summary
In the Linux kernel, the following vulnerability has been resolved:
cassini: Fix a memory leak in the error handling path of cas_init_one()
cas_saturn_firmware_init() allocates some memory using vmalloc(). This
memory is freed in the .remove() function but not it the error handling
path of the probe.
Add the missing vfree() to avoid a memory leak, should an error occur.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 19:16 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 , < 11c0ed097a874156957b515d0ba7e356142eab87
(git)
Affected: fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 , < 60d8e8b88087d68e10c8991a0f6733fa2f963ff0 (git) Affected: fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 , < e20105d967ab5b53ff50a0e5991fe37324d2ba20 (git) Affected: fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 , < dc61f7582cc92d547d02e141cd66f5d1f4ed8012 (git) Affected: fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 , < 234e744d86bd95b381d24546df2dba72804e0219 (git) Affected: fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 , < 172146c26f0c1b86ab4e9ebffc7e06f04229fa17 (git) Affected: fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 , < b8b1a667744741fa7807b09a12797a27f14f3fac (git) Affected: fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 , < 412cd77a2c24b191c65ea53025222418db09817c (git) |
guessed | |
| Linux | Linux |
Affected:
2.6.28
Unaffected: 0 , < 2.6.28 (semver) Unaffected: 4.14.316 , ≤ 4.14.* (semver) Unaffected: 4.19.284 , ≤ 4.19.* (semver) Unaffected: 5.4.244 , ≤ 5.4.* (semver) Unaffected: 5.10.181 , ≤ 5.10.* (semver) Unaffected: 5.15.113 , ≤ 5.15.* (semver) Unaffected: 6.1.30 , ≤ 6.1.* (semver) Unaffected: 6.3.4 , ≤ 6.3.* (semver) Unaffected: 6.4 , ≤ * (original_commit_for_fix) |
guessed |
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"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: cassini: Fix a memory leak in the error handling path of cas_init_one()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53435.json",
"version": "3"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-53435\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-14T19:16:18.909635Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-14T19:16:12.417Z\"}}], \"cna\": {\"title\": \"cassini: Fix a memory leak in the error handling path of cas_init_one()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"fcaa40669cd798ca2ac0d15441e8a1d1145f2b16\", \"lessThan\": \"11c0ed097a874156957b515d0ba7e356142eab87\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fcaa40669cd798ca2ac0d15441e8a1d1145f2b16\", \"lessThan\": \"60d8e8b88087d68e10c8991a0f6733fa2f963ff0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fcaa40669cd798ca2ac0d15441e8a1d1145f2b16\", \"lessThan\": \"e20105d967ab5b53ff50a0e5991fe37324d2ba20\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fcaa40669cd798ca2ac0d15441e8a1d1145f2b16\", \"lessThan\": \"dc61f7582cc92d547d02e141cd66f5d1f4ed8012\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fcaa40669cd798ca2ac0d15441e8a1d1145f2b16\", \"lessThan\": \"234e744d86bd95b381d24546df2dba72804e0219\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fcaa40669cd798ca2ac0d15441e8a1d1145f2b16\", \"lessThan\": \"172146c26f0c1b86ab4e9ebffc7e06f04229fa17\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fcaa40669cd798ca2ac0d15441e8a1d1145f2b16\", \"lessThan\": \"b8b1a667744741fa7807b09a12797a27f14f3fac\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fcaa40669cd798ca2ac0d15441e8a1d1145f2b16\", \"lessThan\": \"412cd77a2c24b191c65ea53025222418db09817c\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/ethernet/sun/cassini.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.28\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"2.6.28\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.14.316\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.284\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.244\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.181\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.113\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.30\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.3.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.3.*\"}, {\"status\": \"unaffected\", \"version\": \"6.4\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/ethernet/sun/cassini.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/11c0ed097a874156957b515d0ba7e356142eab87\"}, {\"url\": \"https://git.kernel.org/stable/c/60d8e8b88087d68e10c8991a0f6733fa2f963ff0\"}, {\"url\": \"https://git.kernel.org/stable/c/e20105d967ab5b53ff50a0e5991fe37324d2ba20\"}, {\"url\": \"https://git.kernel.org/stable/c/dc61f7582cc92d547d02e141cd66f5d1f4ed8012\"}, {\"url\": \"https://git.kernel.org/stable/c/234e744d86bd95b381d24546df2dba72804e0219\"}, {\"url\": \"https://git.kernel.org/stable/c/172146c26f0c1b86ab4e9ebffc7e06f04229fa17\"}, {\"url\": \"https://git.kernel.org/stable/c/b8b1a667744741fa7807b09a12797a27f14f3fac\"}, {\"url\": \"https://git.kernel.org/stable/c/412cd77a2c24b191c65ea53025222418db09817c\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncassini: Fix a memory leak in the error handling path of cas_init_one()\\n\\ncas_saturn_firmware_init() allocates some memory using vmalloc(). This\\nmemory is freed in the .remove() function but not it the error handling\\npath of the probe.\\n\\nAdd the missing vfree() to avoid a memory leak, should an error occur.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.316\", \"versionStartIncluding\": \"2.6.28\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.284\", \"versionStartIncluding\": \"2.6.28\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.244\", \"versionStartIncluding\": \"2.6.28\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.181\", \"versionStartIncluding\": \"2.6.28\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.113\", \"versionStartIncluding\": \"2.6.28\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.30\", \"versionStartIncluding\": \"2.6.28\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.3.4\", \"versionStartIncluding\": \"2.6.28\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.4\", \"versionStartIncluding\": \"2.6.28\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T19:44:55.714Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2023-53435\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T19:44:55.714Z\", \"dateReserved\": \"2025-09-17T14:54:09.751Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-09-18T16:04:14.476Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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.
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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.
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.
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