CVE-2026-31439 (GCVE-0-2026-31439)

Vulnerability from cvelistv5 – Published: 2026-04-22 13:53 – Updated: 2026-05-11 22:08
VLAI
Title
dmaengine: xilinx: xdma: Fix regmap init error handling
Summary
In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinx: xdma: Fix regmap init error handling devm_regmap_init_mmio returns an ERR_PTR() upon error, not NULL. Fix the error check and also fix the error message. Use the error code from ERR_PTR() instead of the wrong value in ret.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 17ce252266c7f016ece026492c45838f852ddc79 , < 4b6e1da50b22e5528b9003f376a3cecccce4decc (git)
Affected: 17ce252266c7f016ece026492c45838f852ddc79 , < 9787b3d9b908785b40bc3f2e6d7082fdb8fdd98a (git)
Affected: 17ce252266c7f016ece026492c45838f852ddc79 , < f27197ccfd2ecd2c71f27fd57c6d507e892ad24d (git)
Affected: 17ce252266c7f016ece026492c45838f852ddc79 , < 59f6ccd0f3345be2e8a78bdef2103e93f180633a (git)
Affected: 17ce252266c7f016ece026492c45838f852ddc79 , < e0adbf74e2a0455a6bc9628726ba87bcd0b42bf8 (git)
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Linux Linux Affected: 6.3
Unaffected: 0 , < 6.3 (semver)
Unaffected: 6.6.131 , ≤ 6.6.* (semver)
Unaffected: 6.12.80 , ≤ 6.12.* (semver)
Unaffected: 6.18.21 , ≤ 6.18.* (semver)
Unaffected: 6.19.11 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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{
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    "dateReserved": "2026-03-09T15:48:24.090Z",
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    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-28T07:25:21+00:00",
      "cve": "CVE-2026-31439",
      "id": "CVE-2026-31439",
      "initial_release_date": "2026-04-22T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: dmaengine: xilinx: xdma: Fix regmap init error handling",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-31439.json",
      "version": "3"
    }
  }
}



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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.


Detection rules are retrieved from Rulezet.