{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49425", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.569Z", "datePublished": "2025-02-26T02:12:46.702Z", "dateUpdated": "2025-05-04T08:37:23.852Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:37:23.852Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix dereference of stale list iterator after loop body\n\nThe list iterator variable will be a bogus pointer if no break was hit.\nDereferencing it (cur->page in this case) could load an out-of-bounds/undefined\nvalue making it unsafe to use that in the comparision to determine if the\nspecific element was found.\n\nSince 'cur->page' *can* be out-ouf-bounds it cannot be guaranteed that\nby chance (or intention of an attacker) it matches the value of 'page'\neven though the correct element was not found.\n\nThis is fixed by using a separate list iterator variable for the loop\nand only setting the original variable if a suitable element was found.\nThen determing if the element was found is simply checking if the\nvariable is set."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/f2fs/segment.c"], "versions": [{"version": "8c242db9b8c01b252290e23827163787f07e01d1", "lessThan": "385edd3ce5b4b1e9d31f474a5e35a39779ec1110", "status": "affected", "versionType": "git"}, {"version": "8c242db9b8c01b252290e23827163787f07e01d1", "lessThan": "5e47a7add3dda7f236548c5ec3017776dc2a729f", "status": "affected", "versionType": "git"}, {"version": "8c242db9b8c01b252290e23827163787f07e01d1", "lessThan": "51d584704d18e60fa473823654f35611c777b291", 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"https://git.kernel.org/stable/c/5e47a7add3dda7f236548c5ec3017776dc2a729f"}, {"url": "https://git.kernel.org/stable/c/51d584704d18e60fa473823654f35611c777b291"}, {"url": "https://git.kernel.org/stable/c/45b2b7d7108ae1e25a5036cab04ab9273e792332"}, {"url": "https://git.kernel.org/stable/c/b26e1c777890e4b938136deb8ec07a29f33862e4"}, {"url": "https://git.kernel.org/stable/c/ed7efc472c00986dcd6903ab6ed165c7fa167674"}, {"url": "https://git.kernel.org/stable/c/2aaf51dd39afb6d01d13f1e6fe20b684733b37d5"}], "title": "f2fs: fix dereference of stale list iterator after loop body", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix dereference of stale list iterator after loop body\n\nThe list iterator variable will be a bogus pointer if no break was hit.\nDereferencing it (cur->page in this case) could load an out-of-bounds/undefined\nvalue making it unsafe to use that in the comparision to determine if the\nspecific element was found.\n\nSince 'cur->page' *can* be out-ouf-bounds it cannot be guaranteed that\nby chance (or intention of an attacker) it matches the value of 'page'\neven though the correct element was not found.\n\nThis is fixed by using a separate list iterator variable for the loop\nand only setting the original variable if a suitable element was found.\nThen determing if the element was found is simply checking if the\nvariable is set."}], "id": "CVE-2022-49425", "lastModified": "2025-02-26T07:01:18.977", "metrics": {}, "published": "2025-02-26T07:01:18.977", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2aaf51dd39afb6d01d13f1e6fe20b684733b37d5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/385edd3ce5b4b1e9d31f474a5e35a39779ec1110"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/45b2b7d7108ae1e25a5036cab04ab9273e792332"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/51d584704d18e60fa473823654f35611c777b291"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5e47a7add3dda7f236548c5ec3017776dc2a729f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b26e1c777890e4b938136deb8ec07a29f33862e4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ed7efc472c00986dcd6903ab6ed165c7fa167674"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: f2fs: fix dereference of stale list iterator after loop body", "id": "2347696", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347696"}, "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:\nf2fs: fix dereference of stale list iterator after loop body\nThe list iterator variable will be a bogus pointer if no break was hit.\nDereferencing it (cur->page in this case) could load an out-of-bounds/undefined\nvalue making it unsafe to use that in the comparision to determine if the\nspecific element was found.\nSince 'cur->page' *can* be out-ouf-bounds it cannot be guaranteed that\nby chance (or intention of an attacker) it matches the value of 'page'\neven though the correct element was not found.\nThis is fixed by using a separate list iterator variable for the loop\nand only setting the original variable if a suitable element was found.\nThen determing if the element was found is simply checking if the\nvariable is set."], "name": "CVE-2022-49425", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49425\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49425\nhttps://lore.kernel.org/linux-cve-announce/2025022655-CVE-2022-49425-05aa@gregkh/T"], "threat_severity": "Moderate"}