CVE-2022-50126

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50126", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.417Z", "datePublished": "2025-06-18T11:02:53.672Z", "dateUpdated": "2026-05-11T19:13:20.780Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:13:20.780Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njbd2: fix assertion 'jh->b_frozen_data == NULL' failure when journal aborted\n\nFollowing process will fail assertion 'jh->b_frozen_data == NULL' in\njbd2_journal_dirty_metadata():\n\n jbd2_journal_commit_transaction\nunlink(dir/a)\n jh->b_transaction = trans1\n jh->b_jlist = BJ_Metadata\n journal->j_running_transaction = NULL\n trans1->t_state = T_COMMIT\nunlink(dir/b)\n handle->h_trans = trans2\n do_get_write_access\n jh->b_modified = 0\n jh->b_frozen_data = frozen_buffer\n jh->b_next_transaction = trans2\n jbd2_journal_dirty_metadata\n is_handle_aborted\n is_journal_aborted // return false\n\n --> jbd2 abort <--\n\n while (commit_transaction->t_buffers)\n if (is_journal_aborted)\n jbd2_journal_refile_buffer\n __jbd2_journal_refile_buffer\n WRITE_ONCE(jh->b_transaction,\n\t\t\t\t\t\tjh->b_next_transaction)\n WRITE_ONCE(jh->b_next_transaction, NULL)\n __jbd2_journal_file_buffer(jh, BJ_Reserved)\n J_ASSERT_JH(jh, jh->b_frozen_data == NULL) // assertion failure !\n\nThe reproducer (See detail in [Link]) reports:\n ------------[ cut here ]------------\n kernel BUG at fs/jbd2/transaction.c:1629!\n invalid opcode: 0000 [#1] PREEMPT SMP\n CPU: 2 PID: 584 Comm: unlink Tainted: G W\n 5.19.0-rc6-00115-g4a57a8400075-dirty #697\n RIP: 0010:jbd2_journal_dirty_metadata+0x3c5/0x470\n RSP: 0018:ffffc90000be7ce0 EFLAGS: 00010202\n Call Trace:\n <TASK>\n __ext4_handle_dirty_metadata+0xa0/0x290\n ext4_handle_dirty_dirblock+0x10c/0x1d0\n ext4_delete_entry+0x104/0x200\n __ext4_unlink+0x22b/0x360\n ext4_unlink+0x275/0x390\n vfs_unlink+0x20b/0x4c0\n do_unlinkat+0x42f/0x4c0\n __x64_sys_unlink+0x37/0x50\n do_syscall_64+0x35/0x80\n\nAfter journal aborting, __jbd2_journal_refile_buffer() is executed with\nholding @jh->b_state_lock, we can fix it by moving 'is_handle_aborted()'\ninto the area protected by @jh->b_state_lock."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/jbd2/transaction.c"], "versions": [{"version": "470decc613ab2048b619a01028072d932d9086ee", "lessThan": "0f61c6dc4b714be9d79cf0782ca02ba01c1b7ac3", "status": "affected", "versionType": "git"}, {"version": "470decc613ab2048b619a01028072d932d9086ee", "lessThan": "6073389db83b903678a0920554fa19f5bdc51c48", "status": "affected", "versionType": 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"defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/jbd2/transaction.c"], "versions": [{"version": "2.6.19", "status": "affected"}, {"version": "0", "lessThan": "2.6.19", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.291", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.256", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.211", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.137", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.61", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.18", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.2", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "4.14.291"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "4.19.256"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "5.4.211"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "5.10.137"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "5.15.61"}, {"vulnerable": true, "criteria": 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"https://git.kernel.org/stable/c/ddd896792e1718cb84c96f3e618270589b6886dc"}, {"url": "https://git.kernel.org/stable/c/4a734f0869f970b8a9b65062ea40b09a5da9dba8"}], "title": "jbd2: fix assertion 'jh->b_frozen_data == NULL' failure when journal aborted", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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"versionType": "git"}, {"lessThan": "731c1662d838fe954c6759e3ee43229b0d928fe4", "status": "affected", "version": "470decc613ab2048b619a01028072d932d9086ee", "versionType": "git"}, {"lessThan": "ddd896792e1718cb84c96f3e618270589b6886dc", "status": "affected", "version": "470decc613ab2048b619a01028072d932d9086ee", "versionType": "git"}, {"lessThan": "4a734f0869f970b8a9b65062ea40b09a5da9dba8", "status": "affected", "version": "470decc613ab2048b619a01028072d932d9086ee", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/jbd2/transaction.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.19"}, {"lessThan": "2.6.19", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "4.14.*", "status": "unaffected", "version": "4.14.291", "versionType": "semver"}, {"lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.256", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.211", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.137", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.61", "versionType": "semver"}, {"lessThanOrEqual": "5.18.*", "status": "unaffected", "version": "5.18.18", "versionType": "semver"}, {"lessThanOrEqual": "5.19.*", "status": "unaffected", "version": "5.19.2", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "622A407A-754C-4353-8055-EF60B3D7C0D9", "versionEndExcluding": "4.14.291", "versionStartIncluding": "2.6.20", "vulnerable": true}, {"criteria": 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"cpe:2.3:o:linux:linux_kernel:2.6.19:rc6:*:*:*:*:*:*", "matchCriteriaId": "9F39FC76-7D77-4064-94D3-A16C436FA8D1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njbd2: fix assertion 'jh->b_frozen_data == NULL' failure when journal aborted\n\nFollowing process will fail assertion 'jh->b_frozen_data == NULL' in\njbd2_journal_dirty_metadata():\n\n jbd2_journal_commit_transaction\nunlink(dir/a)\n jh->b_transaction = trans1\n jh->b_jlist = BJ_Metadata\n journal->j_running_transaction = NULL\n trans1->t_state = T_COMMIT\nunlink(dir/b)\n handle->h_trans = trans2\n do_get_write_access\n jh->b_modified = 0\n jh->b_frozen_data = frozen_buffer\n jh->b_next_transaction = trans2\n jbd2_journal_dirty_metadata\n is_handle_aborted\n is_journal_aborted // return false\n\n --> jbd2 abort <--\n\n while (commit_transaction->t_buffers)\n if (is_journal_aborted)\n jbd2_journal_refile_buffer\n __jbd2_journal_refile_buffer\n WRITE_ONCE(jh->b_transaction,\n\t\t\t\t\t\tjh->b_next_transaction)\n WRITE_ONCE(jh->b_next_transaction, NULL)\n __jbd2_journal_file_buffer(jh, BJ_Reserved)\n J_ASSERT_JH(jh, jh->b_frozen_data == NULL) // assertion failure !\n\nThe reproducer (See detail in [Link]) reports:\n ------------[ cut here ]------------\n kernel BUG at fs/jbd2/transaction.c:1629!\n invalid opcode: 0000 [#1] PREEMPT SMP\n CPU: 2 PID: 584 Comm: unlink Tainted: G W\n 5.19.0-rc6-00115-g4a57a8400075-dirty #697\n RIP: 0010:jbd2_journal_dirty_metadata+0x3c5/0x470\n RSP: 0018:ffffc90000be7ce0 EFLAGS: 00010202\n Call Trace:\n <TASK>\n __ext4_handle_dirty_metadata+0xa0/0x290\n ext4_handle_dirty_dirblock+0x10c/0x1d0\n ext4_delete_entry+0x104/0x200\n __ext4_unlink+0x22b/0x360\n ext4_unlink+0x275/0x390\n vfs_unlink+0x20b/0x4c0\n do_unlinkat+0x42f/0x4c0\n __x64_sys_unlink+0x37/0x50\n do_syscall_64+0x35/0x80\n\nAfter journal aborting, __jbd2_journal_refile_buffer() is executed with\nholding @jh->b_state_lock, we can fix it by moving 'is_handle_aborted()'\ninto the area protected by @jh->b_state_lock."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: jbd2: se corrige el error de aserci\u00f3n 'jh-&gt;b_frozen_data == NULL' cuando se aborta el diario El siguiente proceso fallar\u00e1 la aserci\u00f3n 'jh-&gt;b_frozen_data == NULL' en jbd2_journal_dirty_metadata(): jbd2_journal_commit_transaction unlink(dir/a) jh-&gt;b_transaction = trans1 jh-&gt;b_jlist = BJ_Metadata journal-&gt;j_running_transaction = NULL trans1-&gt;t_state = T_COMMIT unlink(dir/b) handle-&gt;h_trans = trans2 do_get_write_access jh-&gt;b_modified = 0 jh-&gt;b_frozen_data = frozen_buffer jh-&gt;b_next_transaction = trans2 jbd2_journal_dirty_metadata is_handle_aborted is_journal_aborted // devuelve falso --&gt; jbd2 abort &lt;-- while (commit_transaction-&gt;t_buffers) if (is_journal_aborted) jbd2_journal_refile_buffer __jbd2_journal_refile_buffer WRITE_ONCE(jh-&gt;b_transaction, jh-&gt;b_next_transaction) WRITE_ONCE(jh-&gt;b_next_transaction, NULL) __jbd2_journal_file_buffer(jh, BJ_Reserved) J_ASSERT_JH(jh, jh-&gt;b_frozen_data == NULL) // \u00a1Fallo de aserci\u00f3n! El reproductor (ver detalles en [Enlace]) informa: ------------[ cortar aqu\u00ed ]------------ \u00a1ERROR del kernel en fs/jbd2/transaction.c:1629! c\u00f3digo de operaci\u00f3n no v\u00e1lido: 0000 [#1] PREEMPT SMP CPU: 2 PID: 584 Comm: desvincular Contaminado: GW 5.19.0-rc6-00115-g4a57a8400075-dirty #697 RIP: 0010:jbd2_journal_dirty_metadata+0x3c5/0x470 RSP: 0018:ffffc90000be7ce0 EFLAGS: 00010202 Rastreo de llamadas: __ext4_handle_dirty_metadata+0xa0/0x290 ext4_handle_dirty_dirblock+0x10c/0x1d0 ext4_delete_entry+0x104/0x200 __ext4_unlink+0x22b/0x360 ext4_unlink+0x275/0x390 vfs_unlink+0x20b/0x4c0 do_unlinkat+0x42f/0x4c0 __x64_sys_unlink+0x37/0x50 do_syscall_64+0x35/0x80 Despu\u00e9s de abortar el diario, se ejecuta __jbd2_journal_refile_buffer() manteniendo presionado @jh-&gt;b_state_lock. Podemos solucionarlo moviendo 'is_handle_aborted()' al \u00e1rea protegida por @jh-&gt;b_state_lock."}], "id": "CVE-2022-50126", "lastModified": "2026-06-17T05:22:48.843", "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": "2025-06-18T11:15:42.360", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0f61c6dc4b714be9d79cf0782ca02ba01c1b7ac3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4a734f0869f970b8a9b65062ea40b09a5da9dba8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6073389db83b903678a0920554fa19f5bdc51c48"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/731c1662d838fe954c6759e3ee43229b0d928fe4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ddd896792e1718cb84c96f3e618270589b6886dc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e62f79827784f56499a50ea2e893c98317b5407b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f7161d0da975adc234161cd0641d0e484f5ce375"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fa5b65d39332fef7a11ae99cb1f0696012a61527"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-617"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: jbd2: fix assertion 'jh->b_frozen_data == NULL' failure when journal aborted", "id": "2373442", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373442"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\njbd2: fix assertion 'jh->b_frozen_data == NULL' failure when journal aborted\nFollowing process will fail assertion 'jh->b_frozen_data == NULL' in\njbd2_journal_dirty_metadata():\njbd2_journal_commit_transaction\nunlink(dir/a)\njh->b_transaction = trans1\njh->b_jlist = BJ_Metadata\njournal->j_running_transaction = NULL\ntrans1->t_state = T_COMMIT\nunlink(dir/b)\nhandle->h_trans = trans2\ndo_get_write_access\njh->b_modified = 0\njh->b_frozen_data = frozen_buffer\njh->b_next_transaction = trans2\njbd2_journal_dirty_metadata\nis_handle_aborted\nis_journal_aborted // return false\n--> jbd2 abort <--\nwhile (commit_transaction->t_buffers)\nif (is_journal_aborted)\njbd2_journal_refile_buffer\n__jbd2_journal_refile_buffer\nWRITE_ONCE(jh->b_transaction,\njh->b_next_transaction)\nWRITE_ONCE(jh->b_next_transaction, NULL)\n__jbd2_journal_file_buffer(jh, BJ_Reserved)\nJ_ASSERT_JH(jh, jh->b_frozen_data == NULL) // assertion failure !\nThe reproducer (See detail in [Link]) reports:\n------------[ cut here ]------------\nkernel BUG at fs/jbd2/transaction.c:1629!\ninvalid opcode: 0000 [#1] PREEMPT SMP\nCPU: 2 PID: 584 Comm: unlink Tainted: G W\n5.19.0-rc6-00115-g4a57a8400075-dirty #697\nRIP: 0010:jbd2_journal_dirty_metadata+0x3c5/0x470\nRSP: 0018:ffffc90000be7ce0 EFLAGS: 00010202\nCall Trace:\n<TASK>\n__ext4_handle_dirty_metadata+0xa0/0x290\next4_handle_dirty_dirblock+0x10c/0x1d0\next4_delete_entry+0x104/0x200\n__ext4_unlink+0x22b/0x360\next4_unlink+0x275/0x390\nvfs_unlink+0x20b/0x4c0\ndo_unlinkat+0x42f/0x4c0\n__x64_sys_unlink+0x37/0x50\ndo_syscall_64+0x35/0x80\nAfter journal aborting, __jbd2_journal_refile_buffer() is executed with\nholding @jh->b_state_lock, we can fix it by moving 'is_handle_aborted()'\ninto the area protected by @jh->b_state_lock."], "name": "CVE-2022-50126", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50126\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50126\nhttps://lore.kernel.org/linux-cve-announce/2025061813-CVE-2022-50126-5c77@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-06-23T08:53:47.315597+00:00", "updated": "2025-06-23T08:53:47.315649+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}