CVE-2023-52653 (GCVE-0-2023-52653)
Vulnerability from cvelistv5 – Published: 2024-05-01 13:04 – Updated: 2026-05-11 19:31
VLAI
EPSS
VEX
Title
SUNRPC: fix a memleak in gss_import_v2_context
Summary
In the Linux kernel, the following vulnerability has been resolved:
SUNRPC: fix a memleak in gss_import_v2_context
The ctx->mech_used.data allocated by kmemdup is not freed in neither
gss_import_v2_context nor it only caller gss_krb5_import_sec_context,
which frees ctx on error.
Thus, this patch reform the last call of gss_import_v2_context to the
gss_krb5_import_ctx_v2, preventing the memleak while keepping the return
formation.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-06 18:26 UTC
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
47d84807762966c3611c38adecec6ea703ddda7a , < 99044c01ed5329e73651c054d8a4baacdbb1a27c
(git)
Affected: 47d84807762966c3611c38adecec6ea703ddda7a , < 47ac11db93e74ac49cd6c3fc69bcbc5964c4a8b4 (git) Affected: 47d84807762966c3611c38adecec6ea703ddda7a , < d111e30d9cd846bb368faf3637dc0f71fcbcf822 (git) Affected: 47d84807762966c3611c38adecec6ea703ddda7a , < e67b652d8e8591d3b1e569dbcdfcee15993e91fa (git) |
guessed | |
| Linux | Linux |
Affected:
2.6.35
Unaffected: 0 , < 2.6.35 (semver) Unaffected: 6.6.23 , ≤ 6.6.* (semver) Unaffected: 6.7.11 , ≤ 6.7.* (semver) Unaffected: 6.8.2 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix) |
guessed |
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"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/99044c01ed5329e73651c054d8a4baacdbb1a27c\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/47ac11db93e74ac49cd6c3fc69bcbc5964c4a8b4\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/d111e30d9cd846bb368faf3637dc0f71fcbcf822\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/e67b652d8e8591d3b1e569dbcdfcee15993e91fa\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T23:03:21.363Z\"}}, {\"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-2023-52653\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-06-06T18:26:34.838791Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"description\": \"CWE-noinfo Not enough information\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-06-06T18:26:43.061Z\"}}], \"cna\": {\"title\": \"SUNRPC: fix a memleak in gss_import_v2_context\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"47d84807762966c3611c38adecec6ea703ddda7a\", \"lessThan\": \"99044c01ed5329e73651c054d8a4baacdbb1a27c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"47d84807762966c3611c38adecec6ea703ddda7a\", \"lessThan\": \"47ac11db93e74ac49cd6c3fc69bcbc5964c4a8b4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"47d84807762966c3611c38adecec6ea703ddda7a\", \"lessThan\": \"d111e30d9cd846bb368faf3637dc0f71fcbcf822\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"47d84807762966c3611c38adecec6ea703ddda7a\", \"lessThan\": \"e67b652d8e8591d3b1e569dbcdfcee15993e91fa\", \"versionType\": \"git\"}], \"programFiles\": [\"net/sunrpc/auth_gss/gss_krb5_mech.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.35\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"2.6.35\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.23\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7.11\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/sunrpc/auth_gss/gss_krb5_mech.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/99044c01ed5329e73651c054d8a4baacdbb1a27c\"}, {\"url\": \"https://git.kernel.org/stable/c/47ac11db93e74ac49cd6c3fc69bcbc5964c4a8b4\"}, {\"url\": \"https://git.kernel.org/stable/c/d111e30d9cd846bb368faf3637dc0f71fcbcf822\"}, {\"url\": \"https://git.kernel.org/stable/c/e67b652d8e8591d3b1e569dbcdfcee15993e91fa\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nSUNRPC: fix a memleak in gss_import_v2_context\\n\\nThe ctx-\u003emech_used.data allocated by kmemdup is not freed in neither\\ngss_import_v2_context nor it only caller gss_krb5_import_sec_context,\\nwhich frees ctx on error.\\n\\nThus, this patch reform the last call of gss_import_v2_context to the\\ngss_krb5_import_ctx_v2, preventing the memleak while keepping the return\\nformation.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-12-19T08:23:23.722Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2023-52653\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-12-19T08:23:23.722Z\", \"dateReserved\": \"2024-03-06T09:52:12.098Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-01T13:04:02.055Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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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