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.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
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.
Show details on NVD website
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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\": \"unaffected\", \"version\": \"4.19.322\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.284\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.226\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.167\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.100\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.41\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9.10\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.9.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/sunrpc/xprtsock.c\"], \"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 xs_tcp_setup_socket\\n\\nWhen using a BPF program on kernel_connect(), the call can return -EPERM. 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.