{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-29T12:42:00.101","vulnerabilities":[{"cve":{"id":"CVE-2023-53526","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-10-01T12:15:57.177","lastModified":"2026-04-06T13:27:15.050","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\njbd2: check 'jh->b_transaction' before removing it from checkpoint\n\nFollowing process will corrupt ext4 image:\nStep 1:\njbd2_journal_commit_transaction\n __jbd2_journal_insert_checkpoint(jh, commit_transaction)\n // Put jh into trans1->t_checkpoint_list\n journal->j_checkpoint_transactions = commit_transaction\n // Put trans1 into journal->j_checkpoint_transactions\n\nStep 2:\ndo_get_write_access\n test_clear_buffer_dirty(bh) // clear buffer dirty，set jbd dirty\n __jbd2_journal_file_buffer(jh, transaction) // jh belongs to trans2\n\nStep 3:\ndrop_cache\n journal_shrink_one_cp_list\n  jbd2_journal_try_remove_checkpoint\n   if (!trylock_buffer(bh))  // lock bh, true\n   if (buffer_dirty(bh))     // buffer is not dirty\n   __jbd2_journal_remove_checkpoint(jh)\n   // remove jh from trans1->t_checkpoint_list\n\nStep 4:\njbd2_log_do_checkpoint\n trans1 = journal->j_checkpoint_transactions\n // jh is not in trans1->t_checkpoint_list\n jbd2_cleanup_journal_tail(journal)  // trans1 is done\n\nStep 5: Power cut, trans2 is not committed, jh is lost in next mounting.\n\nFix it by checking 'jh->b_transaction' before remove it from checkpoint."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.129","versionEndExcluding":"5.15.132","matchCriteriaId":"C48E6B18-69FC-487C-99B6-6FE6364CE6FF"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.50","versionEndExcluding":"6.1.54","matchCriteriaId":"B0B2EC17-AAD2-4B53-8D36-E8446726A2B0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4.13","versionEndExcluding":"6.5","matchCriteriaId":"B17E134C-96DA-49BA-A4B8-933F5D9C25A2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5.1","versionEndExcluding":"6.5.4","matchCriteriaId":"6F0E010F-32B3-4C0E-AB36-F808FAEBE852"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.5:-:*:*:*:*:*:*","matchCriteriaId":"A2D9420A-9BF4-4C16-B6DA-8A1D279F7384"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.5:rc3:*:*:*:*:*:*","matchCriteriaId":"F5608371-157A-4318-8A2E-4104C3467EA1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.5:rc4:*:*:*:*:*:*","matchCriteriaId":"2226A776-DF8C-49E0-A030-0A7853BB018A"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.5:rc5:*:*:*:*:*:*","matchCriteriaId":"6F15C659-DF06-455A-9765-0E6DE920F29A"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.5:rc6:*:*:*:*:*:*","matchCriteriaId":"5B1C14ED-ABC4-41D3-8D9C-D38C6A65B4DE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.5:rc7:*:*:*:*:*:*","matchCriteriaId":"F187F8CD-249A-4AF1-877B-08E8C24A1A10"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/2298f2589903a8bc03061b54b31fd97985ab6529","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/590a809ff743e7bd890ba5fb36bc38e20a36de53","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/dbafe636db415299e54d9dfefc1003bda9e71c9d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/ef5fea70e5915afd64182d155e72bfb4f275e1fc","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}