CVE-2022-49578 (GCVE-0-2022-49578)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:23 – Updated: 2026-05-11 19:02
VLAI
Title
ip: Fix data-races around sysctl_ip_prot_sock.
Summary
In the Linux kernel, the following vulnerability has been resolved: ip: Fix data-races around sysctl_ip_prot_sock. sysctl_ip_prot_sock is accessed concurrently, and there is always a chance of data-race. So, all readers and writers need some basic protection to avoid load/store-tearing.
Severity
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:36 UTC
CWE
  • CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 4548b683b78137f8eadeb312b94e20bb0d4a7141 , < 9add240f76af6d141d2eebd3a1558a0e503a993d (git)
Affected: 4548b683b78137f8eadeb312b94e20bb0d4a7141 , < 95724fe897a4ecf2be51452ef96e818568071664 (git)
Affected: 4548b683b78137f8eadeb312b94e20bb0d4a7141 , < ef699813d99cc29e6e25c9f6da7766526cc8bd6e (git)
Affected: 4548b683b78137f8eadeb312b94e20bb0d4a7141 , < 9b55c20f83369dd54541d9ddbe3a018a8377f451 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.11
Unaffected: 0 , < 4.11 (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)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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                {
                  "lessThan": "9add240f76af6d141d2eebd3a1558a0e503a993d",
                  "status": "affected",
                  "version": "4548b683b78137f8eadeb312b94e20bb0d4a7141",
                  "versionType": "git"
                },
                {
                  "lessThan": "95724fe897a4ecf2be51452ef96e818568071664",
                  "status": "affected",
                  "version": "4548b683b78137f8eadeb312b94e20bb0d4a7141",
                  "versionType": "git"
                },
                {
                  "lessThan": "ef699813d99cc29e6e25c9f6da7766526cc8bd6e",
                  "status": "affected",
                  "version": "4548b683b78137f8eadeb312b94e20bb0d4a7141",
                  "versionType": "git"
                },
                {
                  "lessThan": "9b55c20f83369dd54541d9ddbe3a018a8377f451",
                  "status": "affected",
                  "version": "4548b683b78137f8eadeb312b94e20bb0d4a7141",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "include/net/ip.h",
                "net/ipv4/sysctl_net_ipv4.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "4.11"
                },
                {
                  "lessThan": "4.11",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.134",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.58",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.18.*",
                  "status": "unaffected",
                  "version": "5.18.15",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "5.19",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.134",
                      "versionStartIncluding": "4.11",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.58",
                      "versionStartIncluding": "4.11",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.18.15",
                      "versionStartIncluding": "4.11",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.19",
                      "versionStartIncluding": "4.11",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nip: Fix data-races around sysctl_ip_prot_sock.\n\nsysctl_ip_prot_sock is accessed concurrently, and there is always a chance\nof data-race.  So, all readers and writers need some basic protection to\navoid load/store-tearing."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T19:02:39.536Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/9add240f76af6d141d2eebd3a1558a0e503a993d"
            },
            {
              "url": "https://git.kernel.org/stable/c/95724fe897a4ecf2be51452ef96e818568071664"
            },
            {
              "url": "https://git.kernel.org/stable/c/ef699813d99cc29e6e25c9f6da7766526cc8bd6e"
            },
            {
              "url": "https://git.kernel.org/stable/c/9b55c20f83369dd54541d9ddbe3a018a8377f451"
            }
          ],
          "title": "ip: Fix data-races around sysctl_ip_prot_sock.",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2022-49578",
        "datePublished": "2025-02-26T02:23:17.659Z",
        "dateReserved": "2025-02-26T02:21:30.411Z",
        "dateUpdated": "2026-05-11T19:02:39.536Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.