CVE-2022-49587 (GCVE-0-2022-49587)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:23 – Updated: 2025-10-01 19:36
VLAI?
Title
tcp: Fix a data-race around sysctl_tcp_notsent_lowat.
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.
Severity ?
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36 , < 91e21df688f8a75255ca9c459da39ac96300113a (git)
Affected: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36 , < c1b85c5a34294f7444c13bf828e0e84b0a0eed85 (git)
Affected: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36 , < 0f75343584ee474303e17efe0610bdd170af1d13 (git)
Affected: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36 , < e9362a993886613ef0284c2a4911c6017c97d803 (git)
Affected: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36 , < fd6f1284e380c377932186042ff0b5c987fb2b92 (git)
Affected: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36 , < 80d4d0c461674eea87f0977e12a2ecd334b9b79c (git)
Affected: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36 , < 62e56cfeb2ae4b53ae9ca24c80f54093250ce64a (git)
Affected: c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36 , < 55be873695ed8912eb77ff46d1d1cadf028bd0f3 (git)
Create a notification for this product.
    Linux Linux Affected: 3.12
Unaffected: 0 , < 3.12 (semver)
Unaffected: 4.9.325 , ≤ 4.9.* (semver)
Unaffected: 4.14.290 , ≤ 4.14.* (semver)
Unaffected: 4.19.254 , ≤ 4.19.* (semver)
Unaffected: 5.4.208 , ≤ 5.4.* (semver)
Unaffected: 5.10.134 , ≤ 5.10.* (semver)
Unaffected: 5.15.58 , ≤ 5.15.* (semver)
Unaffected: 5.18.15 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
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Show details on NVD website
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Sightings

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  • 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.