{"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":"git"},{"version":"470decc613ab2048b619a01028072d932d9086ee","lessThan":"fa5b65d39332fef7a11ae99cb1f0696012a61527","status":"affected","versionType":"git"},{"version":"470decc613ab2048b619a01028072d932d9086ee","lessThan":"f7161d0da975adc234161cd0641d0e484f5ce375","status":"affected","versionType":"git"},{"version":"470decc613ab2048b619a01028072d932d9086ee","lessThan":"e62f79827784f56499a50ea2e893c98317b5407b","status":"affected","versionType":"git"},{"version":"470decc613ab2048b619a01028072d932d9086ee","lessThan":"731c1662d838fe954c6759e3ee43229b0d928fe4","status":"affected","versionType":"git"},{"version":"470decc613ab2048b619a01028072d932d9086ee","lessThan":"ddd896792e1718cb84c96f3e618270589b6886dc","status":"affected","versionType":"git"},{"version":"470decc613ab2048b619a01028072d932d9086ee","lessThan":"4a734f0869f970b8a9b65062ea40b09a5da9dba8","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","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":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"5.18.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"5.19.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"6.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0f61c6dc4b714be9d79cf0782ca02ba01c1b7ac3"},{"url":"https://git.kernel.org/stable/c/6073389db83b903678a0920554fa19f5bdc51c48"},{"url":"https://git.kernel.org/stable/c/fa5b65d39332fef7a11ae99cb1f0696012a61527"},{"url":"https://git.kernel.org/stable/c/f7161d0da975adc234161cd0641d0e484f5ce375"},{"url":"https://git.kernel.org/stable/c/e62f79827784f56499a50ea2e893c98317b5407b"},{"url":"https://git.kernel.org/stable/c/731c1662d838fe954c6759e3ee43229b0d928fe4"},{"url":"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"}}}}