CVE-2022-49587 (GCVE-0-2022-49587)
Vulnerability from cvelistv5
Published
2025-02-26 02:23
Modified
2025-10-01 19:36
Severity ?
4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_notsent_lowat. While reading sysctl_tcp_notsent_lowat, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0f75343584ee474303e17efe0610bdd170af1d13Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/55be873695ed8912eb77ff46d1d1cadf028bd0f3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/62e56cfeb2ae4b53ae9ca24c80f54093250ce64aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/80d4d0c461674eea87f0977e12a2ecd334b9b79cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/91e21df688f8a75255ca9c459da39ac96300113aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c1b85c5a34294f7444c13bf828e0e84b0a0eed85Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e9362a993886613ef0284c2a4911c6017c97d803Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fd6f1284e380c377932186042ff0b5c987fb2b92Patch
Impacted products
Vendor Product Version
Linux Linux Version: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36
Version: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36
Version: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36
Version: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36
Version: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36
Version: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36
Version: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36
Version: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36
 Create a notification for this product.
   Linux Linux Version: 3.12
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Condition\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T16:50:53.650Z\"}}], \"cna\": {\"title\": \"tcp: Fix a data-race around sysctl_tcp_notsent_lowat.\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36\", \"lessThan\": \"91e21df688f8a75255ca9c459da39ac96300113a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36\", \"lessThan\": \"c1b85c5a34294f7444c13bf828e0e84b0a0eed85\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36\", \"lessThan\": \"0f75343584ee474303e17efe0610bdd170af1d13\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36\", \"lessThan\": \"e9362a993886613ef0284c2a4911c6017c97d803\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36\", \"lessThan\": \"fd6f1284e380c377932186042ff0b5c987fb2b92\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36\", \"lessThan\": \"80d4d0c461674eea87f0977e12a2ecd334b9b79c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36\", \"lessThan\": \"62e56cfeb2ae4b53ae9ca24c80f54093250ce64a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36\", \"lessThan\": \"55be873695ed8912eb77ff46d1d1cadf028bd0f3\", \"versionType\": \"git\"}], \"programFiles\": [\"include/net/tcp.h\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.12\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"3.12\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.9.325\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.9.*\"}, {\"status\": \"unaffected\", \"version\": \"4.14.290\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.254\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.208\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.134\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.58\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.18.15\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.18.*\"}, {\"status\": \"unaffected\", \"version\": \"5.19\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"include/net/tcp.h\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/91e21df688f8a75255ca9c459da39ac96300113a\"}, {\"url\": \"https://git.kernel.org/stable/c/c1b85c5a34294f7444c13bf828e0e84b0a0eed85\"}, {\"url\": \"https://git.kernel.org/stable/c/0f75343584ee474303e17efe0610bdd170af1d13\"}, {\"url\": \"https://git.kernel.org/stable/c/e9362a993886613ef0284c2a4911c6017c97d803\"}, {\"url\": \"https://git.kernel.org/stable/c/fd6f1284e380c377932186042ff0b5c987fb2b92\"}, {\"url\": \"https://git.kernel.org/stable/c/80d4d0c461674eea87f0977e12a2ecd334b9b79c\"}, {\"url\": \"https://git.kernel.org/stable/c/62e56cfeb2ae4b53ae9ca24c80f54093250ce64a\"}, {\"url\": \"https://git.kernel.org/stable/c/55be873695ed8912eb77ff46d1d1cadf028bd0f3\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntcp: Fix a data-race around sysctl_tcp_notsent_lowat.\\n\\nWhile reading sysctl_tcp_notsent_lowat, it can be changed concurrently.\\nThus, we need to add READ_ONCE() to its reader.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.9.325\", \"versionStartIncluding\": \"3.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.290\", \"versionStartIncluding\": \"3.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.254\", \"versionStartIncluding\": \"3.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.208\", \"versionStartIncluding\": \"3.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.134\", \"versionStartIncluding\": \"3.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.58\", \"versionStartIncluding\": \"3.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18.15\", \"versionStartIncluding\": \"3.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19\", \"versionStartIncluding\": \"3.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:41:14.898Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49587\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-01T19:36:54.035Z\", \"dateReserved\": \"2025-02-26T02:21:30.412Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T02:23:22.049Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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