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CVE-2025-40067— fs/ntfs3: reject index allocation if $BITMAP is empty but blocks exist

EPSS 0.03% · P8
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I. Basic Information for CVE-2025-40067

Vulnerability Information
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Vulnerability Title
fs/ntfs3: reject index allocation if $BITMAP is empty but blocks exist
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: reject index allocation if $BITMAP is empty but blocks exist Index allocation requires at least one bit in the $BITMAP attribute to track usage of index entries. If the bitmap is empty while index blocks are already present, this reflects on-disk corruption. syzbot triggered this condition using a malformed NTFS image. During a rename() operation involving a long filename (which spans multiple index entries), the empty bitmap allowed the name to be added without valid tracking. Subsequent deletion of the original entry failed with -ENOENT, due to unexpected index state. Reject such cases by verifying that the bitmap is not empty when index blocks exist.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未验证$BITMAP属性是否为空，可能导致索引分配不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux b35a50d639ca5259466ef5fea85529bb4fb17d5b ~ 978aac54e93ea35aab20b32ae393d3d33964e7ae -
LinuxLinux 6.17 -

II. Public POCs for CVE-2025-40067

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III. Intelligence Information for CVE-2025-40067

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Same Patch Batch · Linux · 2025-10-28 · 58 CVEs total

CVE-2025-40063crypto: comp - Use same definition of context alloc and free ops
CVE-2025-40075tcp_metrics: use dst_dev_net_rcu()
CVE-2025-40078bpf: Explicitly check accesses to bpf_sock_addr
CVE-2025-40079riscv, bpf: Sign extend struct ops return values properly
CVE-2025-40077f2fs: fix to avoid overflow while left shift operation
CVE-2025-40081perf: arm_spe: Prevent overflow in PERF_IDX2OFF()
CVE-2025-40068fs: ntfs3: Fix integer overflow in run_unpack()
CVE-2025-40066wifi: mt76: mt7996: Check phy before init msta_link in mt7996_mac_sta_add_links()
CVE-2025-40065RISC-V: KVM: Write hgatp register with valid mode bits
CVE-2025-40064smc: Fix use-after-free in __pnet_find_base_ndev().
CVE-2025-40069drm/msm: Fix obj leak in VM_BIND error path
CVE-2025-40062crypto: hisilicon/qm - set NULL to qm->debug.qm_diff_regs
CVE-2025-40061RDMA/rxe: Fix race in do_task() when draining
CVE-2025-40060coresight: trbe: Return NULL pointer for allocation failures
CVE-2025-40058iommu/vt-d: Disallow dirty tracking if incoherent page walk
CVE-2025-40059coresight: Fix incorrect handling for return value of devm_kzalloc
CVE-2025-40057ptp: Add a upper bound on max_vclocks
CVE-2025-40056vhost: vringh: Fix copy_to_iter return value check
CVE-2025-40055ocfs2: fix double free in user_cluster_connect()
CVE-2025-40054f2fs: fix UAF issue in f2fs_merge_page_bio()

Showing top 20 of 58 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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