{"id":"CVE-2026-74362","summary":"ext2: fix ignored return value of generic_write_sync()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\next2: fix ignored return value of generic_write_sync()\n\nFix ext2_dio_write_iter() to propagate the error returned by\ngeneric_write_sync() instead of silently discarding it, which could\ncause write(2) to return success to userspace on O_SYNC/O_DSYNC files\neven when the sync failed.\n\nThe correct pattern, already used in ext2_dax_write_iter() in the same\nfile and in ext4, xfs, f2fs among others, is:\n    if (ret \u003e 0)\n        ret = generic_write_sync(iocb, ret);\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\n\n[JK: Reflect also filemap_write_and_wait() return value]","modified":"2026-08-18T03:31:00.577803120Z","published":"2026-08-15T05:58:45.553Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74362.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/8990dbb7065b0b002b1e58b9091a5b61f5e94dbe"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8d70b3973020e59845c0bdad90e0b9c2295fd493"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a4659be0bc7cb1856ffb15b67f903229ae8891ec"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b6bc07e49a5fbb335f56eb90cd63dec6584c77d3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ffa974b2f50ad8b911b9066d7aed84ad0afabcdb"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74362.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74362"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"fb5de4358e1aa4753dce73c4dc1aca73ff39cedd"},{"fixed":"8990dbb7065b0b002b1e58b9091a5b61f5e94dbe"},{"fixed":"8d70b3973020e59845c0bdad90e0b9c2295fd493"},{"fixed":"ffa974b2f50ad8b911b9066d7aed84ad0afabcdb"},{"fixed":"b6bc07e49a5fbb335f56eb90cd63dec6584c77d3"},{"fixed":"a4659be0bc7cb1856ffb15b67f903229ae8891ec"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74362.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.5.0"},{"fixed":"6.6.145"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74362.json"}}],"schema_version":"1.9.0"}