Vulnerability-Lookup

FKIE_CVE-2026-23145

Vulnerability from fkie_nvd - Published: 2026-02-14 16:15 - Updated: 2026-03-17 21:13

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref The error branch for ext4_xattr_inode_update_ref forget to release the refcount for iloc.bh. Find this when review code.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/06e26287f2e349a28ad363941ffd9076bfed8b2e	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0b06cde92f2f960f4ebe3c988c69f2711f2a24dc	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6241cd1d0acc2363016ac55b8773ba1332dd59d7	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8e8542c539927ae3898a4d02941f84e252e2dea1	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d250bdf531d9cd4096fedbb9f172bb2ca660c868	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "ABCD8233-CFD6-4194-AA34-BD9E287307E3",
              "versionEndExcluding": "5.5",
              "versionStartIncluding": "5.4.301",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F97128D0-8B7B-4C48-BEB6-2CB58EDB5BC8",
              "versionEndExcluding": "5.10.249",
              "versionStartIncluding": "5.10.246",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1D7F17D7-D52A-4802-ABE5-E37E21A8DE31",
              "versionEndExcluding": "5.15.199",
              "versionStartIncluding": "5.15.195",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4ADA2900-A980-4762-9956-4806C46E94F7",
              "versionEndExcluding": "6.1.162",
              "versionStartIncluding": "6.1.157",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C3EB3129-3B5E-481C-A81B-8F2E50F2F0E7",
              "versionEndExcluding": "6.6.122",
              "versionStartIncluding": "6.6.113",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E5231312-DF3F-466D-811A-2CE69C074C8B",
              "versionEndExcluding": "6.12.67",
              "versionStartIncluding": "6.12.54",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4E33CB5E-CC4D-432C-954F-DA3EBF2C541D",
              "versionEndExcluding": "6.18.7",
              "versionStartIncluding": "6.17.4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "17B67AA7-40D6-4AFA-8459-F200F3D7CFD1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "C47E4CC9-C826-4FA9-B014-7FE3D9B318B2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "F71D92C0-C023-48BD-B3B6-70B638EEE298",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*",
              "matchCriteriaId": "13580667-0A98-40CC-B29F-D12790B91BDB",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*",
              "matchCriteriaId": "CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix iloc.bh leak in ext4_xattr_inode_update_ref\n\nThe error branch for ext4_xattr_inode_update_ref forget to release the\nrefcount for iloc.bh. Find this when review code."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad:\n\next4: corregir la fuga de iloc.bh en ext4_xattr_inode_update_ref\n\nLa rama de error para ext4_xattr_inode_update_ref olvid\u00f3 liberar el refcount para iloc.bh. Esto se encontr\u00f3 al revisar el c\u00f3digo."
    }
  ],
  "id": "CVE-2026-23145",
  "lastModified": "2026-03-17T21:13:17.667",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-02-14T16:15:54.597",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/06e26287f2e349a28ad363941ffd9076bfed8b2e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0b06cde92f2f960f4ebe3c988c69f2711f2a24dc"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/6241cd1d0acc2363016ac55b8773ba1332dd59d7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/8e8542c539927ae3898a4d02941f84e252e2dea1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/d250bdf531d9cd4096fedbb9f172bb2ca660c868"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2026-23145 (GCVE-0-2026-23145)

Vulnerability from cvelistv5 – Published: 2026-02-14 15:36 – Updated: 2026-02-14 15:36

Title

ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/7c9f059c3d531a12d…
	https://git.kernel.org/stable/c/6241cd1d0acc23630…
	https://git.kernel.org/stable/c/3b00c16e42428a1ec…
	https://git.kernel.org/stable/c/0b06cde92f2f960f4…
	https://git.kernel.org/stable/c/8e8542c539927ae38…
	https://git.kernel.org/stable/c/06e26287f2e349a28…
	https://git.kernel.org/stable/c/d250bdf531d9cd409…

Impacted products

Vendor

Product

Version

Linux

Affected: 1cfb3e4ddbdc8e02e637b8852540bd4718bf4814 , < 7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f (git)
Affected: 505e69f76ac497e788f4ea0267826ec7266b40c8 , < 6241cd1d0acc2363016ac55b8773ba1332dd59d7 (git)
Affected: 3d6269028246f4484bfed403c947a114bb583631 , < 3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626 (git)
Affected: 79ea7f3e11effe1bd9e753172981d9029133a278 , < 0b06cde92f2f960f4ebe3c988c69f2711f2a24dc (git)
Affected: 6b879c4c6bbaab03c0ad2a983953bd1410bb165e , < 8e8542c539927ae3898a4d02941f84e252e2dea1 (git)
Affected: 57295e835408d8d425bef58da5253465db3d6888 , < 06e26287f2e349a28ad363941ffd9076bfed8b2e (git)
Affected: 57295e835408d8d425bef58da5253465db3d6888 , < d250bdf531d9cd4096fedbb9f172bb2ca660c868 (git)
Affected: ea39e712c2f5ae148ee5515798ae03523673e002 (git)
Affected: 440b003f449a4ff2a00b08c8eab9ba5cd28f3943 (git)

Linux

Affected: 6.18
Unaffected: 0 , < 6.18 (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: 6.12.67 , ≤ 6.12.* (semver)
Unaffected: 6.18.7 , ≤ 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": [
            "fs/ext4/xattr.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f",
              "status": "affected",
              "version": "1cfb3e4ddbdc8e02e637b8852540bd4718bf4814",
              "versionType": "git"
            },
            {
              "lessThan": "6241cd1d0acc2363016ac55b8773ba1332dd59d7",
              "status": "affected",
              "version": "505e69f76ac497e788f4ea0267826ec7266b40c8",
              "versionType": "git"
            },
            {
              "lessThan": "3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626",
              "status": "affected",
              "version": "3d6269028246f4484bfed403c947a114bb583631",
              "versionType": "git"
            },
            {
              "lessThan": "0b06cde92f2f960f4ebe3c988c69f2711f2a24dc",
              "status": "affected",
              "version": "79ea7f3e11effe1bd9e753172981d9029133a278",
              "versionType": "git"
            },
            {
              "lessThan": "8e8542c539927ae3898a4d02941f84e252e2dea1",
              "status": "affected",
              "version": "6b879c4c6bbaab03c0ad2a983953bd1410bb165e",
              "versionType": "git"
            },
            {
              "lessThan": "06e26287f2e349a28ad363941ffd9076bfed8b2e",
              "status": "affected",
              "version": "57295e835408d8d425bef58da5253465db3d6888",
              "versionType": "git"
            },
            {
              "lessThan": "d250bdf531d9cd4096fedbb9f172bb2ca660c868",
              "status": "affected",
              "version": "57295e835408d8d425bef58da5253465db3d6888",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "ea39e712c2f5ae148ee5515798ae03523673e002",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "440b003f449a4ff2a00b08c8eab9ba5cd28f3943",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/ext4/xattr.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.18"
            },
            {
              "lessThan": "6.18",
              "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": "6.12.67",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.7",
              "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": "5.10.246",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.199",
                  "versionStartIncluding": "5.15.195",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.162",
                  "versionStartIncluding": "6.1.157",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.122",
                  "versionStartIncluding": "6.6.113",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.67",
                  "versionStartIncluding": "6.12.54",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.7",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.4.301",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.17.4",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix iloc.bh leak in ext4_xattr_inode_update_ref\n\nThe error branch for ext4_xattr_inode_update_ref forget to release the\nrefcount for iloc.bh. Find this when review code."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-14T15:36:10.207Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7c9f059c3d531a12d7ad96cd34a44b8af7c00d5f"
        },
        {
          "url": "https://git.kernel.org/stable/c/6241cd1d0acc2363016ac55b8773ba1332dd59d7"
        },
        {
          "url": "https://git.kernel.org/stable/c/3b00c16e42428a1ecd3a5eb9cc37f8ad9bd47626"
        },
        {
          "url": "https://git.kernel.org/stable/c/0b06cde92f2f960f4ebe3c988c69f2711f2a24dc"
        },
        {
          "url": "https://git.kernel.org/stable/c/8e8542c539927ae3898a4d02941f84e252e2dea1"
        },
        {
          "url": "https://git.kernel.org/stable/c/06e26287f2e349a28ad363941ffd9076bfed8b2e"
        },
        {
          "url": "https://git.kernel.org/stable/c/d250bdf531d9cd4096fedbb9f172bb2ca660c868"
        }
      ],
      "title": "ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23145",
    "datePublished": "2026-02-14T15:36:10.207Z",
    "dateReserved": "2026-01-13T15:37:45.974Z",
    "dateUpdated": "2026-02-14T15:36:10.207Z",
    "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-2026-23145

CVE-2026-23145 (GCVE-0-2026-23145)

Tags

Sightings

Nomenclature