{"id":"CVE-2025-39743","state":"PUBLISHED","title":"jfs: truncate good inode pages when hard link is 0","description":"In the Linux kernel, the following vulnerability has been resolved:\n\njfs: truncate good inode pages when hard link is 0\n\nThe fileset value of the inode copy from the disk by the reproducer is\nAGGR_RESERVED_I. When executing evict, its hard link number is 0, so its\ninode pages are not truncated. This causes the bugon to be triggered when\nexecuting clear_inode() because nrpages is greater than 0.","publishedAt":"2025-09-11T16:52:17.043Z","updatedAt":"2026-05-12T12:06:43.112Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"89fff8e3d6710fc32507b8e19eb5afa9fb79b896","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"5845b926c561b8333cd65169526eec357d7bb449","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"8ed7275910fb7177012619864e04d3008763f3ea","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"b5b471820c33365a8ccd2d463578bf4e47056c2c","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"34d8e982bac48bdcca7524644a8825a580edce74","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"df3fd8daf278eca365f221749ae5b728e8382a04","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"2b1d5ca395a5fb170c3f885cd42c16179f7f54ec","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"1bb5cdc3e39f0c2b311fcb631258b7e60d3fb0d3","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"2d91b3765cd05016335cd5df5e5c6a29708ec058","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/jfs/inode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.14","versionType":"semver"},{"version":"5.4.297","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.241","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.190","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.149","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.103","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.43","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.11","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16.2","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/jfs/inode.c"]}],"references":["https://git.kernel.org/stable/c/89fff8e3d6710fc32507b8e19eb5afa9fb79b896","https://git.kernel.org/stable/c/5845b926c561b8333cd65169526eec357d7bb449","https://git.kernel.org/stable/c/8ed7275910fb7177012619864e04d3008763f3ea","https://git.kernel.org/stable/c/b5b471820c33365a8ccd2d463578bf4e47056c2c","https://git.kernel.org/stable/c/34d8e982bac48bdcca7524644a8825a580edce74","https://git.kernel.org/stable/c/df3fd8daf278eca365f221749ae5b728e8382a04","https://git.kernel.org/stable/c/2b1d5ca395a5fb170c3f885cd42c16179f7f54ec","https://git.kernel.org/stable/c/1bb5cdc3e39f0c2b311fcb631258b7e60d3fb0d3","https://git.kernel.org/stable/c/2d91b3765cd05016335cd5df5e5c6a29708ec058","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html","https://cert-portal.siemens.com/productcert/html/ssa-032379.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/39xxx/CVE-2025-39743.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39743","state":"PUBLISHED","datePublished":"2025-09-11T16:52:17.043Z","dateUpdated":"2026-05-12T12:06:43.112Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.120Z"},"containers":{"cna":{"title":"jfs: truncate good inode pages when hard link is 0","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\njfs: truncate good inode pages when hard link is 0\n\nThe fileset value of the inode copy from the disk by the reproducer is\nAGGR_RESERVED_I. When executing evict, its hard link number is 0, so its\ninode pages are not truncated. This causes the bugon to be triggered when\nexecuting clear_inode() because nrpages is greater than 0."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"89fff8e3d6710fc32507b8e19eb5afa9fb79b896","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"5845b926c561b8333cd65169526eec357d7bb449","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"8ed7275910fb7177012619864e04d3008763f3ea","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"b5b471820c33365a8ccd2d463578bf4e47056c2c","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"34d8e982bac48bdcca7524644a8825a580edce74","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"df3fd8daf278eca365f221749ae5b728e8382a04","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"2b1d5ca395a5fb170c3f885cd42c16179f7f54ec","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"1bb5cdc3e39f0c2b311fcb631258b7e60d3fb0d3","versionType":"git"},{"version":"32983696a48a6c41d99f3eca82ba7510a552d843","status":"affected","lessThan":"2d91b3765cd05016335cd5df5e5c6a29708ec058","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/jfs/inode.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.14","versionType":"semver"},{"version":"5.4.297","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.241","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.190","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.149","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.103","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.43","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.11","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16.2","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/jfs/inode.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/89fff8e3d6710fc32507b8e19eb5afa9fb79b896"},{"url":"https://git.kernel.org/stable/c/5845b926c561b8333cd65169526eec357d7bb449"},{"url":"https://git.kernel.org/stable/c/8ed7275910fb7177012619864e04d3008763f3ea"},{"url":"https://git.kernel.org/stable/c/b5b471820c33365a8ccd2d463578bf4e47056c2c"},{"url":"https://git.kernel.org/stable/c/34d8e982bac48bdcca7524644a8825a580edce74"},{"url":"https://git.kernel.org/stable/c/df3fd8daf278eca365f221749ae5b728e8382a04"},{"url":"https://git.kernel.org/stable/c/2b1d5ca395a5fb170c3f885cd42c16179f7f54ec"},{"url":"https://git.kernel.org/stable/c/1bb5cdc3e39f0c2b311fcb631258b7e60d3fb0d3"},{"url":"https://git.kernel.org/stable/c/2d91b3765cd05016335cd5df5e5c6a29708ec058"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:35:24.983Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.4.297"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.10.241"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.15.190"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.1.149"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.6.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.12.43"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.15.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.16.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.17"}]}]}],"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":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T17:42:59.121Z"}},{"affected":[{"vendor":"Siemens","product":"SIMATIC CN 4100","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V5.0","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-032379.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-05-12T12:06:43.112Z"},"x_adpType":"supplier"}]}}}