{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-38337", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:24.005Z", "datePublished": "2025-07-10T08:15:08.396Z", "dateUpdated": "2026-05-11T21:26:02.409Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:26:02.409Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njbd2: fix data-race and null-ptr-deref in jbd2_journal_dirty_metadata()\n\nSince handle->h_transaction may be a NULL pointer, so we should change it\nto call is_handle_aborted(handle) first before dereferencing it.\n\nAnd the following data-race was reported in my fuzzer:\n\n==================================================================\nBUG: KCSAN: data-race in jbd2_journal_dirty_metadata / jbd2_journal_dirty_metadata\n\nwrite to 0xffff888011024104 of 4 bytes by task 10881 on cpu 1:\n jbd2_journal_dirty_metadata+0x2a5/0x770 fs/jbd2/transaction.c:1556\n __ext4_handle_dirty_metadata+0xe7/0x4b0 fs/ext4/ext4_jbd2.c:358\n ext4_do_update_inode fs/ext4/inode.c:5220 [inline]\n ext4_mark_iloc_dirty+0x32c/0xd50 fs/ext4/inode.c:5869\n __ext4_mark_inode_dirty+0xe1/0x450 fs/ext4/inode.c:6074\n ext4_dirty_inode+0x98/0xc0 fs/ext4/inode.c:6103\n....\n\nread to 0xffff888011024104 of 4 bytes by task 10880 on cpu 0:\n jbd2_journal_dirty_metadata+0xf2/0x770 fs/jbd2/transaction.c:1512\n __ext4_handle_dirty_metadata+0xe7/0x4b0 fs/ext4/ext4_jbd2.c:358\n ext4_do_update_inode fs/ext4/inode.c:5220 [inline]\n ext4_mark_iloc_dirty+0x32c/0xd50 fs/ext4/inode.c:5869\n __ext4_mark_inode_dirty+0xe1/0x450 fs/ext4/inode.c:6074\n ext4_dirty_inode+0x98/0xc0 fs/ext4/inode.c:6103\n....\n\nvalue changed: 0x00000000 -> 0x00000001\n==================================================================\n\nThis issue is caused by missing data-race annotation for jh->b_modified.\nTherefore, the missing annotation needs to be added." } ], "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": "6e06ae88edae77379bef7c0cb7d3c2dd88676867", "lessThan": "5c1a34ff5b0bfdfd2f9343aa9b08d25df618bac5", "status": "affected", "versionType": "git" }, { "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867", "lessThan": "ec669e5bf409f16e464bfad75f0ba039a45de29a", "status": "affected", "versionType": "git" }, { "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867", "lessThan": "43d5e3bb5f1dcd91e30238ea0b59a5f77063f84e", "status": "affected", "versionType": "git" }, { "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867", "lessThan": "23361b479f2700c00960d3ae9cdc8ededa762d47", "status": "affected", "versionType": "git" }, { "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867", "lessThan": "2e7c64d7a92c031d016f11c8e8cb05131ab7b75a", "status": "affected", "versionType": "git" }, { "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867", "lessThan": "f78b38af3540b4875147b7b884ee11a27b3dbf4c", "status": "affected", "versionType": "git" }, { "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867", "lessThan": "a377996d714afb8d4d5f4906336f78510039da29", "status": "affected", "versionType": "git" }, { "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867", "lessThan": "af98b0157adf6504fade79b3e6cb260c4ff68e37", "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": "4.3", "status": "affected" }, { "version": "0", "lessThan": "4.3", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.295", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.239", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.186", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.142", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.95", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.35", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.15.4", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.16", "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": "4.3", "versionEndExcluding": "5.4.295" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.10.239" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.15.186" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.1.142" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.6.95" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.12.35" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.15.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.16" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/5c1a34ff5b0bfdfd2f9343aa9b08d25df618bac5" }, { "url": "https://git.kernel.org/stable/c/ec669e5bf409f16e464bfad75f0ba039a45de29a" }, { "url": "https://git.kernel.org/stable/c/43d5e3bb5f1dcd91e30238ea0b59a5f77063f84e" }, { "url": "https://git.kernel.org/stable/c/23361b479f2700c00960d3ae9cdc8ededa762d47" }, { "url": "https://git.kernel.org/stable/c/2e7c64d7a92c031d016f11c8e8cb05131ab7b75a" }, { "url": "https://git.kernel.org/stable/c/f78b38af3540b4875147b7b884ee11a27b3dbf4c" }, { "url": "https://git.kernel.org/stable/c/a377996d714afb8d4d5f4906336f78510039da29" }, { "url": "https://git.kernel.org/stable/c/af98b0157adf6504fade79b3e6cb260c4ff68e37" } ], "title": "jbd2: fix data-race and null-ptr-deref in jbd2_journal_dirty_metadata()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CVE Program Container", "references": [ { "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html" }, { "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:36:47.615Z" } } ] } }