CVE-2024-42246 (GCVE-0-2024-42246)

Vulnerability from cvelistv5 – Published: 2024-08-07 15:14 – Updated: 2026-05-11 20:28
VLAI?
Title
net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket
Summary
In the Linux kernel, the following vulnerability has been resolved: net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket When using a BPF program on kernel_connect(), the call can return -EPERM. This causes xs_tcp_setup_socket() to loop forever, filling up the syslog and causing the kernel to potentially freeze up. Neil suggested: This will propagate -EPERM up into other layers which might not be ready to handle it. It might be safer to map EPERM to an error we would be more likely to expect from the network system - such as ECONNREFUSED or ENETDOWN. ECONNREFUSED as error seems reasonable. For programs setting a different error can be out of reach (see handling in 4fbac77d2d09) in particular on kernels which do not have f10d05966196 ("bpf: Make BPF_PROG_RUN_ARRAY return -err instead of allow boolean"), thus given that it is better to simply remap for consistent behavior. UDP does handle EPERM in xs_udp_send_request().
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 4fbac77d2d092b475dda9eea66da674369665427 , < bc790261218952635f846aaf90bcc0974f6f62c6 (git)
Affected: 4fbac77d2d092b475dda9eea66da674369665427 , < 934247ea65bc5eca8bdb7f8c0ddc15cef992a5d6 (git)
Affected: 4fbac77d2d092b475dda9eea66da674369665427 , < 02ee1976edb21a96ce8e3fd4ef563f14cc16d041 (git)
Affected: 4fbac77d2d092b475dda9eea66da674369665427 , < 5d8254e012996cee1a0f9cc920531cb7e4d9a011 (git)
Affected: 4fbac77d2d092b475dda9eea66da674369665427 , < f2431e7db0fe0daccb2f06bb0d23740affcd2fa6 (git)
Affected: 4fbac77d2d092b475dda9eea66da674369665427 , < d6c686c01c5f12ff8f7264e0ddf71df6cb0d4414 (git)
Affected: 4fbac77d2d092b475dda9eea66da674369665427 , < f388cfd913a2b96c05339a335f365795db1b36b6 (git)
Affected: 4fbac77d2d092b475dda9eea66da674369665427 , < 626dfed5fa3bfb41e0dffd796032b555b69f9cde (git)
Create a notification for this product.
Linux Linux Affected: 4.17
Unaffected: 0 , < 4.17 (semver)
Unaffected: 4.19.322 , ≤ 4.19.* (semver)
Unaffected: 5.4.284 , ≤ 5.4.* (semver)
Unaffected: 5.10.226 , ≤ 5.10.* (semver)
Unaffected: 5.15.167 , ≤ 5.15.* (semver)
Unaffected: 6.1.100 , ≤ 6.1.* (semver)
Unaffected: 6.6.41 , ≤ 6.6.* (semver)
Unaffected: 6.9.10 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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For programs setting a different error\\ncan be out of reach (see handling in 4fbac77d2d09) in particular on kernels\\nwhich do not have f10d05966196 (\\\"bpf: Make BPF_PROG_RUN_ARRAY return -err\\ninstead of allow boolean\\\"), thus given that it is better to simply remap for\\nconsistent behavior. UDP does handle EPERM in xs_udp_send_request().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net, sunrpc: reasignar EPERM en caso de falla de conexi\u00f3n en xs_tcp_setup_socket Cuando se usa un programa BPF en kernel_connect(), la llamada puede devolver -EPERM. Esto hace que xs_tcp_setup_socket() se repita indefinidamente, llenando el syslog y provocando que el kernel se congele potencialmente. Neil sugiri\u00f3: Esto propagar\u00e1 -EPERM a otras capas que podr\u00edan no estar listas para manejarlo. Podr\u00eda ser m\u00e1s seguro asignar EPERM a un error que probablemente esperar\u00edamos del sistema de red, como ECONNREFUSED o ENETDOWN. ECONNREFUSED como error parece razonable. Para los programas, configurar un error diferente puede estar fuera de su alcance (consulte el manejo en 4fbac77d2d09), en particular en los n\u00facleos que no tienen f10d05966196 (\\\"bpf: Make BPF_PROG_RUN_ARRAY return -err en lugar de permitir boolean\\\"), por lo que es mejor simplemente reasignar para un comportamiento consistente. UDP maneja EPERM en xs_udp_send_request().\"}],\"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\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-835\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.17\",\"versionEndExcluding\":\"6.1.100\",\"matchCriteriaId\":\"0573E395-3D6E-46EA-B0B9-C915C6EF8375\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.41\",\"matchCriteriaId\":\"96AC42B8-D66D-4AC5-B466-E9BA7910FA29\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.10\",\"matchCriteriaId\":\"AB2E8DEC-CFD5-4C2B-981D-E7E45A36C352\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/02ee1976edb21a96ce8e3fd4ef563f14cc16d041\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5d8254e012996cee1a0f9cc920531cb7e4d9a011\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/626dfed5fa3bfb41e0dffd796032b555b69f9cde\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/934247ea65bc5eca8bdb7f8c0ddc15cef992a5d6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bc790261218952635f846aaf90bcc0974f6f62c6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d6c686c01c5f12ff8f7264e0ddf71df6cb0d4414\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f2431e7db0fe0daccb2f06bb0d23740affcd2fa6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f388cfd913a2b96c05339a335f365795db1b36b6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T22:02:48.111Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-42246\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T16:13:31.910049Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:24.166Z\"}}], \"cna\": {\"title\": \"net, sunrpc: Remap EPERM in case of connection failure in 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\"f2431e7db0fe0daccb2f06bb0d23740affcd2fa6\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"4fbac77d2d092b475dda9eea66da674369665427\", \"lessThan\": \"d6c686c01c5f12ff8f7264e0ddf71df6cb0d4414\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"4fbac77d2d092b475dda9eea66da674369665427\", \"lessThan\": \"f388cfd913a2b96c05339a335f365795db1b36b6\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"4fbac77d2d092b475dda9eea66da674369665427\", \"lessThan\": \"626dfed5fa3bfb41e0dffd796032b555b69f9cde\", \"versionType\": \"git\"}], \"programFiles\": [\"net/sunrpc/xprtsock.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.17\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.17\", \"versionType\": \"semver\"}, {\"status\": 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\"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/bc790261218952635f846aaf90bcc0974f6f62c6\"}, {\"url\": \"https://git.kernel.org/stable/c/934247ea65bc5eca8bdb7f8c0ddc15cef992a5d6\"}, {\"url\": \"https://git.kernel.org/stable/c/02ee1976edb21a96ce8e3fd4ef563f14cc16d041\"}, {\"url\": \"https://git.kernel.org/stable/c/5d8254e012996cee1a0f9cc920531cb7e4d9a011\"}, {\"url\": \"https://git.kernel.org/stable/c/f2431e7db0fe0daccb2f06bb0d23740affcd2fa6\"}, {\"url\": \"https://git.kernel.org/stable/c/d6c686c01c5f12ff8f7264e0ddf71df6cb0d4414\"}, {\"url\": \"https://git.kernel.org/stable/c/f388cfd913a2b96c05339a335f365795db1b36b6\"}, {\"url\": \"https://git.kernel.org/stable/c/626dfed5fa3bfb41e0dffd796032b555b69f9cde\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet, sunrpc: Remap EPERM in case of connection failure in 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This\\ncauses xs_tcp_setup_socket() to loop forever, filling up the syslog and causing\\nthe kernel to potentially freeze up.\\n\\nNeil suggested:\\n\\n  This will propagate -EPERM up into other layers which might not be ready\\n  to handle it. It might be safer to map EPERM to an error we would be more\\n  likely to expect from the network system - such as ECONNREFUSED or ENETDOWN.\\n\\nECONNREFUSED as error seems reasonable. For programs setting a different error\\ncan be out of reach (see handling in 4fbac77d2d09) in particular on kernels\\nwhich do not have f10d05966196 (\\\"bpf: Make BPF_PROG_RUN_ARRAY return -err\\ninstead of allow boolean\\\"), thus given that it is better to simply remap for\\nconsistent behavior. UDP does handle EPERM in xs_udp_send_request().\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.322\", \"versionStartIncluding\": \"4.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.284\", \"versionStartIncluding\": \"4.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.226\", \"versionStartIncluding\": \"4.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.167\", \"versionStartIncluding\": \"4.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.100\", \"versionStartIncluding\": \"4.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.41\", \"versionStartIncluding\": \"4.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9.10\", \"versionStartIncluding\": \"4.17\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10\", \"versionStartIncluding\": \"4.17\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:28:37.829Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-42246\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:28:37.829Z\", \"dateReserved\": \"2024-07-30T07:40:12.254Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-08-07T15:14:31.615Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.