Vulnerability-Lookup

FKIE_CVE-2026-23071

Vulnerability from fkie_nvd - Published: 2026-02-04 17:16 - Updated: 2026-02-06 17:16

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: regmap: Fix race condition in hwspinlock irqsave routine Previously, the address of the shared member '&map->spinlock_flags' was passed directly to 'hwspin_lock_timeout_irqsave'. This creates a race condition where multiple contexts contending for the lock could overwrite the shared flags variable, potentially corrupting the state for the current lock owner. Fix this by using a local stack variable 'flags' to store the IRQ state temporarily.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/24f31be6ad70537fd7706269d99c92cade465a09
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/4aab0ca0a0f7760e33edcb4e47576064d05128f5
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/4b58aac989c1e3fafb1c68a733811859df388250
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/766e243ae8c8b27087a4cc605752c0d5ee2daeab
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c2d2cf710dc3ee1a69e00b4ed8de607a92a07889
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e1a7072bc4f958c9e852dc7e57e39f12b0bb44b5
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f1e2fe26a51eca95b41420af76d22c2e613efd5e

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nregmap: Fix race condition in hwspinlock irqsave routine\n\nPreviously, the address of the shared member \u0027\u0026map-\u003espinlock_flags\u0027 was\npassed directly to \u0027hwspin_lock_timeout_irqsave\u0027. This creates a race\ncondition where multiple contexts contending for the lock could overwrite\nthe shared flags variable, potentially corrupting the state for the\ncurrent lock owner.\n\nFix this by using a local stack variable \u0027flags\u0027 to store the IRQ state\ntemporarily."
    }
  ],
  "id": "CVE-2026-23071",
  "lastModified": "2026-02-06T17:16:23.107",
  "metrics": {},
  "published": "2026-02-04T17:16:17.817",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/24f31be6ad70537fd7706269d99c92cade465a09"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4aab0ca0a0f7760e33edcb4e47576064d05128f5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4b58aac989c1e3fafb1c68a733811859df388250"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/766e243ae8c8b27087a4cc605752c0d5ee2daeab"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c2d2cf710dc3ee1a69e00b4ed8de607a92a07889"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e1a7072bc4f958c9e852dc7e57e39f12b0bb44b5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f1e2fe26a51eca95b41420af76d22c2e613efd5e"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2026-23071 (GCVE-0-2026-23071)

Vulnerability from cvelistv5 – Published: 2026-02-04 16:07 – Updated: 2026-02-09 08:38

Title

regmap: Fix race condition in hwspinlock irqsave routine

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/e1a7072bc4f958c9e…
	https://git.kernel.org/stable/c/766e243ae8c8b2708…
	https://git.kernel.org/stable/c/f1e2fe26a51eca95b…
	https://git.kernel.org/stable/c/24f31be6ad70537fd…
	https://git.kernel.org/stable/c/4aab0ca0a0f7760e3…
	https://git.kernel.org/stable/c/c2d2cf710dc3ee1a6…
	https://git.kernel.org/stable/c/4b58aac989c1e3faf…

Impacted products

Vendor

Product

Version

Linux

Affected: 8698b9364710e7bac84b3af07dd410e39c8c2e08 , < e1a7072bc4f958c9e852dc7e57e39f12b0bb44b5 (git)
Affected: 8698b9364710e7bac84b3af07dd410e39c8c2e08 , < 766e243ae8c8b27087a4cc605752c0d5ee2daeab (git)
Affected: 8698b9364710e7bac84b3af07dd410e39c8c2e08 , < f1e2fe26a51eca95b41420af76d22c2e613efd5e (git)
Affected: 8698b9364710e7bac84b3af07dd410e39c8c2e08 , < 24f31be6ad70537fd7706269d99c92cade465a09 (git)
Affected: 8698b9364710e7bac84b3af07dd410e39c8c2e08 , < 4aab0ca0a0f7760e33edcb4e47576064d05128f5 (git)
Affected: 8698b9364710e7bac84b3af07dd410e39c8c2e08 , < c2d2cf710dc3ee1a69e00b4ed8de607a92a07889 (git)
Affected: 8698b9364710e7bac84b3af07dd410e39c8c2e08 , < 4b58aac989c1e3fafb1c68a733811859df388250 (git)

Linux

Affected: 4.15
Unaffected: 0 , < 4.15 (semver)
Unaffected: 5.10.249 , ≤ 5.10.* (semver)
Unaffected: 5.15.199 , ≤ 5.15.* (semver)
Unaffected: 6.1.162 , ≤ 6.1.* (semver)
Unaffected: 6.6.122 , ≤ 6.6.* (semver)
Unaffected: 6.12.68 , ≤ 6.12.* (semver)
Unaffected: 6.18.8 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/base/regmap/regmap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e1a7072bc4f958c9e852dc7e57e39f12b0bb44b5",
              "status": "affected",
              "version": "8698b9364710e7bac84b3af07dd410e39c8c2e08",
              "versionType": "git"
            },
            {
              "lessThan": "766e243ae8c8b27087a4cc605752c0d5ee2daeab",
              "status": "affected",
              "version": "8698b9364710e7bac84b3af07dd410e39c8c2e08",
              "versionType": "git"
            },
            {
              "lessThan": "f1e2fe26a51eca95b41420af76d22c2e613efd5e",
              "status": "affected",
              "version": "8698b9364710e7bac84b3af07dd410e39c8c2e08",
              "versionType": "git"
            },
            {
              "lessThan": "24f31be6ad70537fd7706269d99c92cade465a09",
              "status": "affected",
              "version": "8698b9364710e7bac84b3af07dd410e39c8c2e08",
              "versionType": "git"
            },
            {
              "lessThan": "4aab0ca0a0f7760e33edcb4e47576064d05128f5",
              "status": "affected",
              "version": "8698b9364710e7bac84b3af07dd410e39c8c2e08",
              "versionType": "git"
            },
            {
              "lessThan": "c2d2cf710dc3ee1a69e00b4ed8de607a92a07889",
              "status": "affected",
              "version": "8698b9364710e7bac84b3af07dd410e39c8c2e08",
              "versionType": "git"
            },
            {
              "lessThan": "4b58aac989c1e3fafb1c68a733811859df388250",
              "status": "affected",
              "version": "8698b9364710e7bac84b3af07dd410e39c8c2e08",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/base/regmap/regmap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.15"
            },
            {
              "lessThan": "4.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.249",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.199",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.162",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.122",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.68",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.249",
                  "versionStartIncluding": "4.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.199",
                  "versionStartIncluding": "4.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.162",
                  "versionStartIncluding": "4.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.122",
                  "versionStartIncluding": "4.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.68",
                  "versionStartIncluding": "4.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.8",
                  "versionStartIncluding": "4.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "4.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nregmap: Fix race condition in hwspinlock irqsave routine\n\nPreviously, the address of the shared member \u0027\u0026map-\u003espinlock_flags\u0027 was\npassed directly to \u0027hwspin_lock_timeout_irqsave\u0027. This creates a race\ncondition where multiple contexts contending for the lock could overwrite\nthe shared flags variable, potentially corrupting the state for the\ncurrent lock owner.\n\nFix this by using a local stack variable \u0027flags\u0027 to store the IRQ state\ntemporarily."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-09T08:38:10.426Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e1a7072bc4f958c9e852dc7e57e39f12b0bb44b5"
        },
        {
          "url": "https://git.kernel.org/stable/c/766e243ae8c8b27087a4cc605752c0d5ee2daeab"
        },
        {
          "url": "https://git.kernel.org/stable/c/f1e2fe26a51eca95b41420af76d22c2e613efd5e"
        },
        {
          "url": "https://git.kernel.org/stable/c/24f31be6ad70537fd7706269d99c92cade465a09"
        },
        {
          "url": "https://git.kernel.org/stable/c/4aab0ca0a0f7760e33edcb4e47576064d05128f5"
        },
        {
          "url": "https://git.kernel.org/stable/c/c2d2cf710dc3ee1a69e00b4ed8de607a92a07889"
        },
        {
          "url": "https://git.kernel.org/stable/c/4b58aac989c1e3fafb1c68a733811859df388250"
        }
      ],
      "title": "regmap: Fix race condition in hwspinlock irqsave routine",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23071",
    "datePublished": "2026-02-04T16:07:51.603Z",
    "dateReserved": "2026-01-13T15:37:45.955Z",
    "dateUpdated": "2026-02-09T08:38:10.426Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

FKIE_CVE-2026-23071

CVE-2026-23071 (GCVE-0-2026-23071)

Tags

Sightings

Nomenclature