{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2025-38163", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-38163", "idYear": 2025, "status": "PUBLISHED", "publishedAt": "2025-07-03T08:36:04.397Z", "updatedAt": "2026-05-11T21:22:28.872Z", "importedAt": "2026-10-24T01:57:34.152Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "f2fs: fix to do sanity check on sbi->total_valid_block_count", "summary": "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": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5", "status": "affected", "versionType": "git", "lessThan": "49bc7bf38e42cfa642787e947f5721696ea73ac3" }, { "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5", "status": "affected", "versionType": "git", "lessThan": "f1b743c1955151bd392539b739a3ad155296be13" }, { "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5", "status": "affected", "versionType": "git", "lessThan": "6a324d77f7ea1a91d55c4b6ad970e3ac9ab6a20d" }, { "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5", "status": "affected", "versionType": "git", "lessThan": "25f3776b58c1c45ad2e50ab4b263505b4d2378ca" }, { "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5", "status": "affected", "versionType": "git", "lessThan": "a39cc43efc1bca74ed9d6cf9e60b995071f7d178" }, { "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5", "status": "affected", "versionType": "git", "lessThan": "65b3f76592aed5a43c4d79375ac097acf975972b" }, { "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5", "status": "affected", "versionType": "git", "lessThan": "ccc28c0397f75a3ec9539cceed9db014d7b73869" }, { "version": "39a53e0ce0df01b3cf4bb898c7ae2fd2189647d5", "status": "affected", "versionType": "git", "lessThan": "05872a167c2cab80ef186ef23cc34a6776a1a30c" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "3.8", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "3.8" }, { "version": "5.4.295", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.239", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.186", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.142", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.94", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.34", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.15.3", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.15.*" }, { "version": "6.16", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }