CVE-2024-40963 (GCVE-0-2024-40963)

Vulnerability from cvelistv5 – Published: 2024-07-12 12:32 – Updated: 2026-05-23 15:51
VLAI
Title
mips: bmips: BCM6358: make sure CBR is correctly set
Summary
In the Linux kernel, the following vulnerability has been resolved: mips: bmips: BCM6358: make sure CBR is correctly set It was discovered that some device have CBR address set to 0 causing kernel panic when arch_sync_dma_for_cpu_all is called. This was notice in situation where the system is booted from TP1 and BMIPS_GET_CBR() returns 0 instead of a valid address and !!(read_c0_brcm_cmt_local() & (1 << 31)); not failing. The current check whether RAC flush should be disabled or not are not enough hence lets check if CBR is a valid address or not.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:03 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: d65de5ee8b72868fbbbd39ca73017d0e526fa13a , < 10afe5f7d30f6fe50c2b1177549d0e04921fc373 (git)
Affected: 47a449ec09b4479b89dcc6b27ec3829fc82ffafb , < 36d771ce6028b886e18a4a8956a5d23688e4e13d (git)
Affected: 65b723644294f1d79770704162c0e8d1f700b6f1 , < 89167072fd249e5f23ae2f8093f87da5925cef27 (git)
Affected: 2cdbcff99f15db86a10672fb220379a1ae46ccae , < 6c0f6ccd939166f56a904c792d7fcadae43b9085 (git)
Affected: ab327f8acdf8d06601fbf058859a539a9422afff , < 2cd4854ef14a487bcfb76c7980675980cad27b52 (git)
Affected: ab327f8acdf8d06601fbf058859a539a9422afff , < da895fd6da438af8d9326b8f02d715a9c76c3b5b (git)
Affected: ab327f8acdf8d06601fbf058859a539a9422afff , < ce5cdd3b05216b704a704f466fb4c2dff3778caf (git)
Affected: 288c96aa5b5526cd4a946e84ef85e165857693b5 (git)
Affected: 5.4.240 , < 5.4.279 (semver)
Affected: 5.10.177 , < 5.10.221 (semver)
Affected: 5.15.106 , < 5.15.162 (semver)
Affected: 6.1.23 , < 6.1.96 (semver)
Affected: 6.2.10 , < 6.3 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 6.3
Unaffected: 0 , < 6.3 (semver)
Unaffected: 5.4.279 , ≤ 5.4.* (semver)
Unaffected: 5.10.221 , ≤ 5.10.* (semver)
Unaffected: 5.15.162 , ≤ 5.15.* (semver)
Unaffected: 6.1.96 , ≤ 6.1.* (semver)
Unaffected: 6.6.36 , ≤ 6.6.* (semver)
Unaffected: 6.9.7 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.4.279",
                      "versionStartIncluding": "5.4.240",
                      "vulnerable": true
                    },
                    {
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                      "vulnerable": true
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                      "vulnerable": true
                    },
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                  "negate": false,
                  "operator": "OR"
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              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmips: bmips: BCM6358: make sure CBR is correctly set\n\nIt was discovered that some device have CBR address set to 0 causing\nkernel panic when arch_sync_dma_for_cpu_all is called.\n\nThis was notice in situation where the system is booted from TP1 and\nBMIPS_GET_CBR() returns 0 instead of a valid address and\n!!(read_c0_brcm_cmt_local() \u0026 (1 \u003c\u003c 31)); not failing.\n\nThe current check whether RAC flush should be disabled or not are not\nenough hence lets check if CBR is a valid address or not."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-23T15:51:13.899Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/10afe5f7d30f6fe50c2b1177549d0e04921fc373"
            },
            {
              "url": "https://git.kernel.org/stable/c/36d771ce6028b886e18a4a8956a5d23688e4e13d"
            },
            {
              "url": "https://git.kernel.org/stable/c/89167072fd249e5f23ae2f8093f87da5925cef27"
            },
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              "url": "https://git.kernel.org/stable/c/6c0f6ccd939166f56a904c792d7fcadae43b9085"
            },
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              "url": "https://git.kernel.org/stable/c/2cd4854ef14a487bcfb76c7980675980cad27b52"
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              "url": "https://git.kernel.org/stable/c/da895fd6da438af8d9326b8f02d715a9c76c3b5b"
            },
            {
              "url": "https://git.kernel.org/stable/c/ce5cdd3b05216b704a704f466fb4c2dff3778caf"
            }
          ],
          "title": "mips: bmips: BCM6358: make sure CBR is correctly set",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-40963",
        "datePublished": "2024-07-12T12:32:04.019Z",
        "dateReserved": "2024-07-12T12:17:45.602Z",
        "dateUpdated": "2026-05-23T15:51:13.899Z",
        "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

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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.