CVE-2024-44974 (GCVE-0-2024-44974)

Vulnerability from cvelistv5 – Published: 2024-09-04 19:54 – Updated: 2025-11-03 22:14
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: avoid possible UaF when selecting endp select_local_address() and select_signal_address() both select an endpoint entry from the list inside an RCU protected section, but return a reference to it, to be read later on. If the entry is dereferenced after the RCU unlock, reading info could cause a Use-after-Free. A simple solution is to copy the required info while inside the RCU protected section to avoid any risk of UaF later. The address ID might need to be modified later to handle the ID0 case later, so a copy seems OK to deal with.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 01cacb00b35cb62b139f07d5f84bcf0eeda8eff6 , < ddee5b4b6a1cc03c1e9921cf34382e094c2009f1 (git)
Affected: 01cacb00b35cb62b139f07d5f84bcf0eeda8eff6 , < f2c865e9e3ca44fc06b5f73b29a954775e4dbb38 (git)
Affected: 01cacb00b35cb62b139f07d5f84bcf0eeda8eff6 , < 2b4f46f9503633dade75cb796dd1949d0e6581a1 (git)
Affected: 01cacb00b35cb62b139f07d5f84bcf0eeda8eff6 , < 9a9afbbc3fbfca4975eea4aa5b18556db5a0c0b8 (git)
Affected: 01cacb00b35cb62b139f07d5f84bcf0eeda8eff6 , < 0201d65d9806d287a00e0ba96f0321835631f63f (git)
Affected: 01cacb00b35cb62b139f07d5f84bcf0eeda8eff6 , < 48e50dcbcbaaf713d82bf2da5c16aeced94ad07d (git)
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    Linux Linux Affected: 5.7
Unaffected: 0 , < 5.7 (semver)
Unaffected: 5.10.226 , ≤ 5.10.* (semver)
Unaffected: 5.15.167 , ≤ 5.15.* (semver)
Unaffected: 6.1.109 , ≤ 6.1.* (semver)
Unaffected: 6.6.48 , ≤ 6.6.* (semver)
Unaffected: 6.10.7 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
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      "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\": \"2025-11-03T22:14:27.070Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-44974\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T15:26:21.490934Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:18.933Z\"}}], \"cna\": {\"title\": \"mptcp: pm: avoid possible UaF when selecting endp\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"01cacb00b35cb62b139f07d5f84bcf0eeda8eff6\", \"lessThan\": \"ddee5b4b6a1cc03c1e9921cf34382e094c2009f1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"01cacb00b35cb62b139f07d5f84bcf0eeda8eff6\", \"lessThan\": \"f2c865e9e3ca44fc06b5f73b29a954775e4dbb38\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"01cacb00b35cb62b139f07d5f84bcf0eeda8eff6\", \"lessThan\": \"2b4f46f9503633dade75cb796dd1949d0e6581a1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"01cacb00b35cb62b139f07d5f84bcf0eeda8eff6\", \"lessThan\": \"9a9afbbc3fbfca4975eea4aa5b18556db5a0c0b8\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"01cacb00b35cb62b139f07d5f84bcf0eeda8eff6\", \"lessThan\": \"0201d65d9806d287a00e0ba96f0321835631f63f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"01cacb00b35cb62b139f07d5f84bcf0eeda8eff6\", \"lessThan\": \"48e50dcbcbaaf713d82bf2da5c16aeced94ad07d\", \"versionType\": \"git\"}], \"programFiles\": [\"net/mptcp/pm_netlink.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.7\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.7\", \"versionType\": \"semver\"}, {\"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\": \"6.1.109\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.48\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.7\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/mptcp/pm_netlink.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/ddee5b4b6a1cc03c1e9921cf34382e094c2009f1\"}, {\"url\": \"https://git.kernel.org/stable/c/f2c865e9e3ca44fc06b5f73b29a954775e4dbb38\"}, {\"url\": \"https://git.kernel.org/stable/c/2b4f46f9503633dade75cb796dd1949d0e6581a1\"}, {\"url\": \"https://git.kernel.org/stable/c/9a9afbbc3fbfca4975eea4aa5b18556db5a0c0b8\"}, {\"url\": \"https://git.kernel.org/stable/c/0201d65d9806d287a00e0ba96f0321835631f63f\"}, {\"url\": \"https://git.kernel.org/stable/c/48e50dcbcbaaf713d82bf2da5c16aeced94ad07d\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmptcp: pm: avoid possible UaF when selecting endp\\n\\nselect_local_address() and select_signal_address() both select an\\nendpoint entry from the list inside an RCU protected section, but return\\na reference to it, to be read later on. If the entry is dereferenced\\nafter the RCU unlock, reading info could cause a Use-after-Free.\\n\\nA simple solution is to copy the required info while inside the RCU\\nprotected section to avoid any risk of UaF later. The address ID might\\nneed to be modified later to handle the ID0 case later, so a copy seems\\nOK to deal with.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.226\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.167\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.109\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.48\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.7\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11\", \"versionStartIncluding\": \"5.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:30:07.102Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-44974\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T22:14:27.070Z\", \"dateReserved\": \"2024-08-21T05:34:56.669Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-09-04T19:54:26.917Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

Author Source Type Date

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.