{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49747", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-03-27T16:39:17.987Z", "datePublished": "2025-03-27T16:42:57.094Z", "dateUpdated": "2025-05-04T08:44:31.027Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:44:31.027Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs/zmap.c: Fix incorrect offset calculation\n\nEffective offset to add to length was being incorrectly calculated,\nwhich resulted in iomap->length being set to 0, triggering a WARN_ON\nin iomap_iter_done().\n\nFix that, and describe it in comments.\n\nThis was reported as a crash by syzbot under an issue about a warning\nencountered in iomap_iter_done(), but unrelated to erofs.\n\nC reproducer: https://syzkaller.appspot.com/text?tag=ReproC&x=1037a6b2880000\nKernel config: https://syzkaller.appspot.com/text?tag=KernelConfig&x=e2021a61197ebe02\nDashboard link: https://syzkaller.appspot.com/bug?extid=a8e049cd3abd342936b6"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/erofs/zmap.c"], "versions": [{"version": "eadcd6b5a1eb39866ab8d8a3e4f2e51bc51a2350", "lessThan": "2144859229c1e74f52d3ea067338d314a83a8afb", "status": "affected", "versionType": "git"}, {"version": "eadcd6b5a1eb39866ab8d8a3e4f2e51bc51a2350", "lessThan": "9f31d8c889d9a4e47bfcc6c4537d0c9f89fe582c", "status": "affected", "versionType": "git"}, {"version": "eadcd6b5a1eb39866ab8d8a3e4f2e51bc51a2350", "lessThan": "6acd87d50998ef0afafc441613aeaf5a8f5c9eff", "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/erofs/zmap.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.92", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.10", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "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": "5.15", "versionEndExcluding": "5.15.92"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.1.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2144859229c1e74f52d3ea067338d314a83a8afb"}, {"url": "https://git.kernel.org/stable/c/9f31d8c889d9a4e47bfcc6c4537d0c9f89fe582c"}, {"url": "https://git.kernel.org/stable/c/6acd87d50998ef0afafc441613aeaf5a8f5c9eff"}], "title": "erofs/zmap.c: Fix incorrect offset calculation", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs/zmap.c: Fix incorrect offset calculation\n\nEffective offset to add to length was being incorrectly calculated,\nwhich resulted in iomap->length being set to 0, triggering a WARN_ON\nin iomap_iter_done().\n\nFix that, and describe it in comments.\n\nThis was reported as a crash by syzbot under an issue about a warning\nencountered in iomap_iter_done(), but unrelated to erofs.\n\nC reproducer: https://syzkaller.appspot.com/text?tag=ReproC&x=1037a6b2880000\nKernel config: https://syzkaller.appspot.com/text?tag=KernelConfig&x=e2021a61197ebe02\nDashboard link: https://syzkaller.appspot.com/bug?extid=a8e049cd3abd342936b6"}], "id": "CVE-2022-49747", "lastModified": "2025-03-28T18:11:49.747", "metrics": {}, "published": "2025-03-27T17:15:39.477", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2144859229c1e74f52d3ea067338d314a83a8afb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6acd87d50998ef0afafc441613aeaf5a8f5c9eff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9f31d8c889d9a4e47bfcc6c4537d0c9f89fe582c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: erofs/zmap.c: Fix incorrect offset calculation", "id": "2355435", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355435"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nerofs/zmap.c: Fix incorrect offset calculation\nEffective offset to add to length was being incorrectly calculated,\nwhich resulted in iomap->length being set to 0, triggering a WARN_ON\nin iomap_iter_done().\nFix that, and describe it in comments.\nThis was reported as a crash by syzbot under an issue about a warning\nencountered in iomap_iter_done(), but unrelated to erofs.\nC reproducer: https://syzkaller.appspot.com/text?tag=ReproC&x=1037a6b2880000\nKernel config: https://syzkaller.appspot.com/text?tag=KernelConfig&x=e2021a61197ebe02\nDashboard link: https://syzkaller.appspot.com/bug?extid=a8e049cd3abd342936b6"], "name": "CVE-2022-49747", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49747\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49747\nhttps://lore.kernel.org/linux-cve-announce/2025032759-CVE-2022-49747-f361@gregkh/T"], "threat_severity": "Low"}