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CVE-2025-38715— hfs: fix slab-out-of-bounds in hfs_bnode_read()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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hfs未检查节点读取边界。

CVSS 7.8 · High EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< e7d2dc2421e821e4045775e6dc226378328de6f6 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 67ecc81f6492275c9c54280532f558483c99c90e affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< a1a60e79502279f996e55052f50cc14919020475 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< fe2891a9c43ab87d1a210d61e6438ca6936e2f62 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 384a66b89f9540a9a8cb0f48807697dfabaece4c affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< efc095b35b23297e419c2ab4fc1ed1a8f0781a29 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< fc7f732984ec91f30be3e574e0644066d07f2b78 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< eec522fd0d28106b14a59ab2d658605febe4a3bb affected
… +12 more rows
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I. Basic Information for CVE-2025-38715

Vulnerability Information
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Vulnerability Title
hfs: fix slab-out-of-bounds in hfs_bnode_read()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: hfs: fix slab-out-of-bounds in hfs_bnode_read() This patch introduces is_bnode_offset_valid() method that checks the requested offset value. Also, it introduces check_and_correct_requested_length() method that checks and correct the requested length (if it is necessary). These methods are used in hfs_bnode_read(), hfs_bnode_write(), hfs_bnode_clear(), hfs_bnode_copy(), and hfs_bnode_move() with the goal to prevent the access out of allocated memory and triggering the crash.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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hfs未检查节点读取边界。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ~ e7d2dc2421e821e4045775e6dc226378328de6f6 -
Linux Linux 2.6.12 -

II. Public POCs for CVE-2025-38715

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III. Intelligence Information for CVE-2025-38715

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Same Patch Batch · Linux · 2025-09-04 · 52 CVEs total

CVE-2025-38708 9.8 CRITICAL drbd: add missing kref_get in handle_write_conflicts
CVE-2025-38724 9.8 CRITICAL nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm()
CVE-2025-38728 9.1 CRITICAL smb3: fix for slab out of bounds on mount to ksmbd
CVE-2025-38688 8.8 HIGH iommufd: Prevent ALIGN() overflow
CVE-2025-38697 7.8 HIGH jfs: upper bound check of tree index in dbAllocAG
CVE-2025-38717 7.8 HIGH net: kcm: Fix race condition in kcm_unattach()
CVE-2025-38718 7.8 HIGH sctp: linearize cloned gso packets in sctp_rcv
CVE-2025-38714 7.8 HIGH hfsplus: fix slab-out-of-bounds in hfsplus_bnode_read()
CVE-2025-38685 7.8 HIGH fbdev: Fix vmalloc out-of-bounds write in fast_imageblit
CVE-2025-38722 7.8 HIGH habanalabs: fix UAF in export_dmabuf()
CVE-2025-38710 7.8 HIGH gfs2: Validate i_depth for exhash directories
CVE-2025-38730 7.8 HIGH io_uring/net: commit partial buffers on retry
CVE-2025-38703 7.8 HIGH drm/xe: Make dma-fences compliant with the safe access rules
CVE-2025-38679 7.3 HIGH media: venus: Fix OOB read due to missing payload bound check
CVE-2025-38687 7.3 HIGH comedi: fix race between polling and detaching
CVE-2025-38713 7.1 HIGH hfsplus: fix slab-out-of-bounds read in hfsplus_uni2asc()
CVE-2025-38707 7.1 HIGH fs/ntfs3: Add sanity check for file name
CVE-2025-38680 media: uvcvideo: Fix 1-byte out-of-bounds read in uvc_parse_format()
CVE-2025-38693 media: dvb-frontends: w7090p: fix null-ptr-deref in w7090p_tuner_write_serpar and w7090p_t
CVE-2025-38681 mm/ptdump: take the memory hotplug lock inside ptdump_walk_pgd()

Showing top 20 of 52 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38715

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