{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50753", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T13:02:21.544Z", "datePublished": "2025-12-24T13:05:47.559Z", "dateUpdated": "2026-01-02T15:04:24.807Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-01-02T15:04:24.807Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to do sanity check on summary info\n\nAs Wenqing Liu reported in bugzilla:\n\nhttps://bugzilla.kernel.org/show_bug.cgi?id=216456\n\nBUG: KASAN: use-after-free in recover_data+0x63ae/0x6ae0 [f2fs]\nRead of size 4 at addr ffff8881464dcd80 by task mount/1013\n\nCPU: 3 PID: 1013 Comm: mount Tainted: G W 6.0.0-rc4 #1\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014\nCall Trace:\n dump_stack_lvl+0x45/0x5e\n print_report.cold+0xf3/0x68d\n kasan_report+0xa8/0x130\n recover_data+0x63ae/0x6ae0 [f2fs]\n f2fs_recover_fsync_data+0x120d/0x1fc0 [f2fs]\n f2fs_fill_super+0x4665/0x61e0 [f2fs]\n mount_bdev+0x2cf/0x3b0\n legacy_get_tree+0xed/0x1d0\n vfs_get_tree+0x81/0x2b0\n path_mount+0x47e/0x19d0\n do_mount+0xce/0xf0\n __x64_sys_mount+0x12c/0x1a0\n do_syscall_64+0x38/0x90\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nThe root cause is: in fuzzed image, SSA table is corrupted: ofs_in_node\nis larger than ADDRS_PER_PAGE(), result in out-of-range access on 4k-size\npage.\n\n- recover_data\n - do_recover_data\n - check_index_in_prev_nodes\n - f2fs_data_blkaddr\n\nThis patch adds sanity check on summary info in recovery and GC flow\nin where the flows rely on them.\n\nAfter patch:\n[ 29.310883] F2FS-fs (loop0): Inconsistent ofs_in_node:65286 in summary, ino:0, nid:6, max:1018"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/f2fs/gc.c", "fs/f2fs/recovery.c"], "versions": [{"version": "b292dcab068e141d8a820b77cbcc88d98c610eb4", "lessThan": "c99860f9a75079f339ed7670425b1ac58f26e2ff", "status": "affected", "versionType": "git"}, {"version": "b292dcab068e141d8a820b77cbcc88d98c610eb4", "lessThan": "4a8e8bf280703e04e0b9d91f101e1fdd9a5bd09e", "status": "affected", "versionType": "git"}, {"version": "b292dcab068e141d8a820b77cbcc88d98c610eb4", "lessThan": "73687c53919f49dff3852155621dab7a35c52854", "status": "affected", "versionType": "git"}, {"version": "b292dcab068e141d8a820b77cbcc88d98c610eb4", "lessThan": "e168f819bfa42459b14f479e55ebd550bcc78899", "status": "affected", "versionType": "git"}, {"version": "b292dcab068e141d8a820b77cbcc88d98c610eb4", "lessThan": "0922ad64ccefa3e483e84355942b86e13c8fea68", "status": "affected", "versionType": "git"}, {"version": "b292dcab068e141d8a820b77cbcc88d98c610eb4", "lessThan": "c6ad7fd16657ebd34a87a97d9588195aae87597d", "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/gc.c", "fs/f2fs/recovery.c"], "versions": [{"version": "3.11", "status": "affected"}, {"version": "0", "lessThan": "3.11", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.220", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.150", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.75", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.17", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.3", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "3.11", "versionEndExcluding": "5.4.220"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "5.10.150"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "5.15.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "5.19.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "6.0.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.11", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c99860f9a75079f339ed7670425b1ac58f26e2ff"}, {"url": "https://git.kernel.org/stable/c/4a8e8bf280703e04e0b9d91f101e1fdd9a5bd09e"}, {"url": "https://git.kernel.org/stable/c/73687c53919f49dff3852155621dab7a35c52854"}, {"url": "https://git.kernel.org/stable/c/e168f819bfa42459b14f479e55ebd550bcc78899"}, {"url": "https://git.kernel.org/stable/c/0922ad64ccefa3e483e84355942b86e13c8fea68"}, {"url": "https://git.kernel.org/stable/c/c6ad7fd16657ebd34a87a97d9588195aae87597d"}], "title": "f2fs: fix to do sanity check on summary info", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to do sanity check on summary info\n\nAs Wenqing Liu reported in bugzilla:\n\nhttps://bugzilla.kernel.org/show_bug.cgi?id=216456\n\nBUG: KASAN: use-after-free in recover_data+0x63ae/0x6ae0 [f2fs]\nRead of size 4 at addr ffff8881464dcd80 by task mount/1013\n\nCPU: 3 PID: 1013 Comm: mount Tainted: G W 6.0.0-rc4 #1\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014\nCall Trace:\n dump_stack_lvl+0x45/0x5e\n print_report.cold+0xf3/0x68d\n kasan_report+0xa8/0x130\n recover_data+0x63ae/0x6ae0 [f2fs]\n f2fs_recover_fsync_data+0x120d/0x1fc0 [f2fs]\n f2fs_fill_super+0x4665/0x61e0 [f2fs]\n mount_bdev+0x2cf/0x3b0\n legacy_get_tree+0xed/0x1d0\n vfs_get_tree+0x81/0x2b0\n path_mount+0x47e/0x19d0\n do_mount+0xce/0xf0\n __x64_sys_mount+0x12c/0x1a0\n do_syscall_64+0x38/0x90\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nThe root cause is: in fuzzed image, SSA table is corrupted: ofs_in_node\nis larger than ADDRS_PER_PAGE(), result in out-of-range access on 4k-size\npage.\n\n- recover_data\n - do_recover_data\n - check_index_in_prev_nodes\n - f2fs_data_blkaddr\n\nThis patch adds sanity check on summary info in recovery and GC flow\nin where the flows rely on them.\n\nAfter patch:\n[ 29.310883] F2FS-fs (loop0): Inconsistent ofs_in_node:65286 in summary, ino:0, nid:6, max:1018"}], "id": "CVE-2022-50753", "lastModified": "2025-12-29T15:58:34.503", "metrics": {}, "published": "2025-12-24T13:16:02.033", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0922ad64ccefa3e483e84355942b86e13c8fea68"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4a8e8bf280703e04e0b9d91f101e1fdd9a5bd09e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/73687c53919f49dff3852155621dab7a35c52854"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c6ad7fd16657ebd34a87a97d9588195aae87597d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c99860f9a75079f339ed7670425b1ac58f26e2ff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e168f819bfa42459b14f479e55ebd550bcc78899"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: f2fs: fix to do sanity check on summary info", "id": "2425163", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2425163"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2022-50753", "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": "2025-12-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50753\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50753\nhttps://lore.kernel.org/linux-cve-announce/2025122452-CVE-2022-50753-6266@gregkh/T"]}

{}