{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-38163",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T04:51:23.991Z",
        "datePublished": "2025-07-03T08:36:04.397Z",
        "dateUpdated": "2026-05-11T21:22:28.872Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:22:28.872Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to do sanity check on sbi->total_valid_block_count\n\nsyzbot reported a f2fs bug as below:\n\n------------[ cut here ]------------\nkernel BUG at fs/f2fs/f2fs.h:2521!\nRIP: 0010:dec_valid_block_count+0x3b2/0x3c0 fs/f2fs/f2fs.h:2521\nCall Trace:\n f2fs_truncate_data_blocks_range+0xc8c/0x11a0 fs/f2fs/file.c:695\n truncate_dnode+0x417/0x740 fs/f2fs/node.c:973\n truncate_nodes+0x3ec/0xf50 fs/f2fs/node.c:1014\n f2fs_truncate_inode_blocks+0x8e3/0x1370 fs/f2fs/node.c:1197\n f2fs_do_truncate_blocks+0x840/0x12b0 fs/f2fs/file.c:810\n f2fs_truncate_blocks+0x10d/0x300 fs/f2fs/file.c:838\n f2fs_truncate+0x417/0x720 fs/f2fs/file.c:888\n f2fs_setattr+0xc4f/0x12f0 fs/f2fs/file.c:1112\n notify_change+0xbca/0xe90 fs/attr.c:552\n do_truncate+0x222/0x310 fs/open.c:65\n handle_truncate fs/namei.c:3466 [inline]\n do_open fs/namei.c:3849 [inline]\n path_openat+0x2e4f/0x35d0 fs/namei.c:4004\n do_filp_open+0x284/0x4e0 fs/namei.c:4031\n do_sys_openat2+0x12b/0x1d0 fs/open.c:1429\n do_sys_open fs/open.c:1444 [inline]\n __do_sys_creat fs/open.c:1522 [inline]\n __se_sys_creat fs/open.c:1516 [inline]\n __x64_sys_creat+0x124/0x170 fs/open.c:1516\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94\n\nThe reason is: in fuzzed image, sbi->total_valid_block_count is\ninconsistent w/ mapped blocks indexed by inode, so, we should\nnot trigger panic for such case, instead, let's print log and\nset fsck flag."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/f2fs/f2fs.h"
                    ],
                    "versions": [
                        {
                            "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5",
                            "lessThan": "49bc7bf38e42cfa642787e947f5721696ea73ac3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5",
                            "lessThan": "f1b743c1955151bd392539b739a3ad155296be13",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5",
                            "lessThan": "6a324d77f7ea1a91d55c4b6ad970e3ac9ab6a20d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5",
                            "lessThan": "25f3776b58c1c45ad2e50ab4b263505b4d2378ca",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "lessThan": "a39cc43efc1bca74ed9d6cf9e60b995071f7d178",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5",
                            "lessThan": "65b3f76592aed5a43c4d79375ac097acf975972b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5",
                            "lessThan": "ccc28c0397f75a3ec9539cceed9db014d7b73869",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5",
                            "lessThan": "05872a167c2cab80ef186ef23cc34a6776a1a30c",
                            "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/f2fs/f2fs.h"
                    ],
                    "versions": [
                        {
                            "version": "3.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.8",
                            "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": "6.6.94",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.34",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15.3",
                            "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": "3.8",
                                    "versionEndExcluding": "5.4.295"
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                                {
                                    "vulnerable": true,
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/49bc7bf38e42cfa642787e947f5721696ea73ac3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f1b743c1955151bd392539b739a3ad155296be13"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6a324d77f7ea1a91d55c4b6ad970e3ac9ab6a20d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/25f3776b58c1c45ad2e50ab4b263505b4d2378ca"
                },
                {
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                    "url": "https://git.kernel.org/stable/c/ccc28c0397f75a3ec9539cceed9db014d7b73869"
                },
                {
                    "url": "https://git.kernel.org/stable/c/05872a167c2cab80ef186ef23cc34a6776a1a30c"
                }
            ],
            "title": "f2fs: fix to do sanity check on sbi->total_valid_block_count",
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        "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"
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                    "dateUpdated": "2025-11-03T17:34:53.978Z"
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}