CVE-2022-50082 (GCVE-0-2022-50082)

Vulnerability from cvelistv5 – Published: 2025-06-18 11:02 – Updated: 2026-05-11 19:12
VLAI
Title
ext4: fix warning in ext4_iomap_begin as race between bmap and write
Summary
In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in ext4_iomap_begin as race between bmap and write We got issue as follows: ------------[ cut here ]------------ WARNING: CPU: 3 PID: 9310 at fs/ext4/inode.c:3441 ext4_iomap_begin+0x182/0x5d0 RIP: 0010:ext4_iomap_begin+0x182/0x5d0 RSP: 0018:ffff88812460fa08 EFLAGS: 00010293 RAX: ffff88811f168000 RBX: 0000000000000000 RCX: ffffffff97793c12 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: ffff88812c669160 R08: ffff88811f168000 R09: ffffed10258cd20f R10: ffff88812c669077 R11: ffffed10258cd20e R12: 0000000000000001 R13: 00000000000000a4 R14: 000000000000000c R15: ffff88812c6691ee FS: 00007fd0d6ff3740(0000) GS:ffff8883af180000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd0d6dda290 CR3: 0000000104a62000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: iomap_apply+0x119/0x570 iomap_bmap+0x124/0x150 ext4_bmap+0x14f/0x250 bmap+0x55/0x80 do_vfs_ioctl+0x952/0xbd0 __x64_sys_ioctl+0xc6/0x170 do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Above issue may happen as follows: bmap write bmap ext4_bmap iomap_bmap ext4_iomap_begin ext4_file_write_iter ext4_buffered_write_iter generic_perform_write ext4_da_write_begin ext4_da_write_inline_data_begin ext4_prepare_inline_data ext4_create_inline_data ext4_set_inode_flag(inode, EXT4_INODE_INLINE_DATA); if (WARN_ON_ONCE(ext4_has_inline_data(inode))) ->trigger bug_on To solved above issue hold inode lock in ext4_bamp.
Severity
7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: ac58e4fb03f9d111d733a4ad379d06eef3a24705 , < e1682c7171a6c0ff576fe8116b8cba5b8f538b94 (git)
Affected: ac58e4fb03f9d111d733a4ad379d06eef3a24705 , < 30dfb75e1f8645404a536c74d468d498adcd4e74 (git)
Affected: ac58e4fb03f9d111d733a4ad379d06eef3a24705 , < a9fe6d1e3d343d7309f501b1f48020ce7127221f (git)
Affected: ac58e4fb03f9d111d733a4ad379d06eef3a24705 , < fa6482f374fda29a71ad44d76d35b4842d43cda4 (git)
Affected: ac58e4fb03f9d111d733a4ad379d06eef3a24705 , < 51ae846cff568c8c29921b1b28eb2dfbcd4ac12d (git)
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Linux Linux Affected: 5.7
Unaffected: 0 , < 5.7 (semver)
Unaffected: 5.10.137 , ≤ 5.10.* (semver)
Unaffected: 5.15.61 , ≤ 5.15.* (semver)
Unaffected: 5.18.18 , ≤ 5.18.* (semver)
Unaffected: 5.19.2 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix warning in ext4_iomap_begin as race between bmap and write\n\nWe got issue as follows:\n------------[ cut here ]------------\nWARNING: CPU: 3 PID: 9310 at fs/ext4/inode.c:3441 ext4_iomap_begin+0x182/0x5d0\nRIP: 0010:ext4_iomap_begin+0x182/0x5d0\nRSP: 0018:ffff88812460fa08 EFLAGS: 00010293\nRAX: ffff88811f168000 RBX: 0000000000000000 RCX: ffffffff97793c12\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003\nRBP: ffff88812c669160 R08: ffff88811f168000 R09: ffffed10258cd20f\nR10: ffff88812c669077 R11: ffffed10258cd20e R12: 0000000000000001\nR13: 00000000000000a4 R14: 000000000000000c R15: ffff88812c6691ee\nFS:  00007fd0d6ff3740(0000) GS:ffff8883af180000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fd0d6dda290 CR3: 0000000104a62000 CR4: 00000000000006e0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n iomap_apply+0x119/0x570\n iomap_bmap+0x124/0x150\n ext4_bmap+0x14f/0x250\n bmap+0x55/0x80\n do_vfs_ioctl+0x952/0xbd0\n __x64_sys_ioctl+0xc6/0x170\n do_syscall_64+0x33/0x40\n entry_SYSCALL_64_after_hwframe+0x44/0xa9\n\nAbove issue may happen as follows:\n          bmap                    write\nbmap\n  ext4_bmap\n    iomap_bmap\n      ext4_iomap_begin\n                            ext4_file_write_iter\n\t\t\t      ext4_buffered_write_iter\n\t\t\t        generic_perform_write\n\t\t\t\t  ext4_da_write_begin\n\t\t\t\t    ext4_da_write_inline_data_begin\n\t\t\t\t      ext4_prepare_inline_data\n\t\t\t\t        ext4_create_inline_data\n\t\t\t\t\t  ext4_set_inode_flag(inode,\n\t\t\t\t\t\tEXT4_INODE_INLINE_DATA);\n      if (WARN_ON_ONCE(ext4_has_inline_data(inode))) -\u003etrigger bug_on\n\nTo solved above issue hold inode lock in ext4_bamp."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ext4: se corrige la advertencia en ext4_iomap_begin como ejecuci\u00f3n entre bmap y escritura Tenemos el problema siguiente: ------------[ cortar aqu\u00ed ]------------ ADVERTENCIA: CPU: 3 PID: 9310 en fs/ext4/inode.c:3441 ext4_iomap_begin+0x182/0x5d0 RIP: 0010:ext4_iomap_begin+0x182/0x5d0 RSP: 0018:ffff88812460fa08 EFLAGS: 00010293 RAX: ffff88811f168000 RBX: 0000000000000000 RCX: ffffffff97793c12 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: ffff88812c669160 R08: ffff88811f168000 R09: ffffed10258cd20f R10: ffff88812c669077 R11: ffffed10258cd20e R12: 000000000000001 R13: 00000000000000a4 R14: 000000000000000c R15: ffff88812c6691ee FS: 00007fd0d6ff3740(0000) GS:ffff8883af180000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd0d6dda290 CR3: 0000000104a62000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Rastreo de llamadas: iomap_apply+0x119/0x570 iomap_bmap+0x124/0x150 ext4_bmap+0x14f/0x250 bmap+0x55/0x80 do_vfs_ioctl+0x952/0xbd0 __x64_sys_ioctl+0xc6/0x170 do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Above issue may happen as follows: bmap write bmap ext4_bmap iomap_bmap ext4_iomap_begin ext4_file_write_iter ext4_buffered_write_iter generic_perform_write ext4_da_write_begin ext4_da_write_inline_data_begin ext4_prepare_inline_data ext4_create_inline_data ext4_set_inode_flag(inode, EXT4_INODE_INLINE_DATA); if (WARN_ON_ONCE(ext4_has_inline_data(inode))) -\u0026gt;trigger bug_on Para resolver el problema anterior, mantenga el bloqueo del inodo en ext4_bamp."
          }
        ],
        "id": "CVE-2022-50082",
        "lastModified": "2026-06-17T05:22:43.310",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.0,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.0,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2025-06-18T11:15:37.223",
        "references": [
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              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/e1682c7171a6c0ff576fe8116b8cba5b8f538b94"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/fa6482f374fda29a71ad44d76d35b4842d43cda4"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-362"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T21:39:05+00:00",
      "cve": "CVE-2022-50082",
      "id": "CVE-2022-50082",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_affected": "198",
      "product_status:known_not_affected": "76",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ext4: fix warning in ext4_iomap_begin as race between bmap and write",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-50082.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T02:01:45Z",
      "cve": "CVE-2022-50082",
      "id": "CVE-2022-50082",
      "initial_release_date": "2025-06-19T03:42:23Z",
      "product_status:known_affected": "733",
      "product_status:known_not_affected": "125",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-50082",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-50082.json",
      "version": "23"
    }
  }
}



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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.