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CVE-2025-38714— hfsplus: fix slab-out-of-bounds in hfsplus_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hfsplus未检查节点读取边界。

CVSS 7.8 · High EPSS 0.17% · P6 Updated Aug 05, 2026

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 20

Vendor	Product	Version Range	Status
Linux	Linux	`1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 032f7ed6717a4cd3714f9801be39fdfc7f1c7644`	affected
		`1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< ffee8a7bed0fbfe29da239a922b59c5db897c613`	affected
		`1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 5ab59229bef6063edf3a6fc2e3e3fd7cd2181b29`	affected
		`1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< a2abd574d2fe22b8464cf6df5abb6f24d809eac0`	affected
		`1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 8583d067ae22b7f32ce5277ca5543ac8bf86a3e5`	affected
		`1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 475d770c19929082aab43337e6c077d0e2043df3`	affected
		`1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 291b7f2538920aa229500dbdd6c5f0927a51bc8b`	affected
		`1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 7fa4cef8ea13b37811287ef60674c5fd1dd02ee6`	affected
… +12 more rows

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I. Basic Information for CVE-2025-38714

Vulnerability Information

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Vulnerability Title

hfsplus: fix slab-out-of-bounds in hfsplus_bnode_read()

Source: CVE Program / CVE List V5

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: hfsplus: fix slab-out-of-bounds in hfsplus_bnode_read() The hfsplus_bnode_read() method can trigger the issue: [ 174.852007][ T9784] ================================================================== [ 174.852709][ T9784] BUG: KASAN: slab-out-of-bounds in hfsplus_bnode_read+0x2f4/0x360 [ 174.853412][ T9784] Read of size 8 at addr ffff88810b5fc6c0 by task repro/9784 [ 174.854059][ T9784] [ 174.854272][ T9784] CPU: 1 UID: 0 PID: 9784 Comm: repro Not tainted 6.16.0-rc3 #7 PREEMPT(full) [ 174.854281][ T9784] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 174.854286][ T9784] Call Trace: [ 174.854289][ T9784] <TASK> [ 174.854292][ T9784] dump_stack_lvl+0x10e/0x1f0 [ 174.854305][ T9784] print_report+0xd0/0x660 [ 174.854315][ T9784] ? __virt_addr_valid+0x81/0x610 [ 174.854323][ T9784] ? __phys_addr+0xe8/0x180 [ 174.854330][ T9784] ? hfsplus_bnode_read+0x2f4/0x360 [ 174.854337][ T9784] kasan_report+0xc6/0x100 [ 174.854346][ T9784] ? hfsplus_bnode_read+0x2f4/0x360 [ 174.854354][ T9784] hfsplus_bnode_read+0x2f4/0x360 [ 174.854362][ T9784] hfsplus_bnode_dump+0x2ec/0x380 [ 174.854370][ T9784] ? __pfx_hfsplus_bnode_dump+0x10/0x10 [ 174.854377][ T9784] ? hfsplus_bnode_write_u16+0x83/0xb0 [ 174.854385][ T9784] ? srcu_gp_start+0xd0/0x310 [ 174.854393][ T9784] ? __mark_inode_dirty+0x29e/0xe40 [ 174.854402][ T9784] hfsplus_brec_remove+0x3d2/0x4e0 [ 174.854411][ T9784] __hfsplus_delete_attr+0x290/0x3a0 [ 174.854419][ T9784] ? __pfx_hfs_find_1st_rec_by_cnid+0x10/0x10 [ 174.854427][ T9784] ? __pfx___hfsplus_delete_attr+0x10/0x10 [ 174.854436][ T9784] ? __asan_memset+0x23/0x50 [ 174.854450][ T9784] hfsplus_delete_all_attrs+0x262/0x320 [ 174.854459][ T9784] ? __pfx_hfsplus_delete_all_attrs+0x10/0x10 [ 174.854469][ T9784] ? rcu_is_watching+0x12/0xc0 [ 174.854476][ T9784] ? __mark_inode_dirty+0x29e/0xe40 [ 174.854483][ T9784] hfsplus_delete_cat+0x845/0xde0 [ 174.854493][ T9784] ? __pfx_hfsplus_delete_cat+0x10/0x10 [ 174.854507][ T9784] hfsplus_unlink+0x1ca/0x7c0 [ 174.854516][ T9784] ? __pfx_hfsplus_unlink+0x10/0x10 [ 174.854525][ T9784] ? down_write+0x148/0x200 [ 174.854532][ T9784] ? __pfx_down_write+0x10/0x10 [ 174.854540][ T9784] vfs_unlink+0x2fe/0x9b0 [ 174.854549][ T9784] do_unlinkat+0x490/0x670 [ 174.854557][ T9784] ? __pfx_do_unlinkat+0x10/0x10 [ 174.854565][ T9784] ? __might_fault+0xbc/0x130 [ 174.854576][ T9784] ? getname_flags.part.0+0x1c5/0x550 [ 174.854584][ T9784] __x64_sys_unlink+0xc5/0x110 [ 174.854592][ T9784] do_syscall_64+0xc9/0x480 [ 174.854600][ T9784] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 174.854608][ T9784] RIP: 0033:0x7f6fdf4c3167 [ 174.854614][ T9784] Code: f0 ff ff 73 01 c3 48 8b 0d 26 0d 0e 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 08 [ 174.854622][ T9784] RSP: 002b:00007ffcb948bca8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 [ 174.854630][ T9784] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6fdf4c3167 [ 174.854636][ T9784] RDX: 00007ffcb948bcc0 RSI: 00007ffcb948bcc0 RDI: 00007ffcb948bd50 [ 174.854641][ T9784] RBP: 00007ffcb948cd90 R08: 0000000000000001 R09: 00007ffcb948bb40 [ 174.854645][ T9784] R10: 00007f6fdf564fc0 R11: 0000000000000206 R12: 0000561e1bc9c2d0 [ 174.854650][ T9784] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 174.854658][ T9784] </TASK> [ 174.854661][ T9784] [ 174.879281][ T9784] Allocated by task 9784: [ 174.879664][ T9784] kasan_save_stack+0x20/0x40 [ 174.880082][ T9784] kasan_save_track+0x14/0x30 [ 174.880500][ T9784] __kasan_kmalloc+0xaa/0xb0 [ 174.880908][ T9784] __kmalloc_noprof+0x205/0x550 [ 174.881337][ T9784] __hfs_bnode_create+0x107/0x890 [ 174.881779][ T9784] hfsplus_bnode_find+0x2d0/0xd10 [ 174.882222][ T9784] hfsplus_brec_find+0x2b0/0x520 [ 174.882659][ T9784] hfsplus_delete_all_attrs+0x23b/0x3 ---truncated---

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hfsplus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 ~ 032f7ed6717a4cd3714f9801be39fdfc7f1c7644	-
Linux	Linux	2.6.12	-

II. Public POCs for CVE-2025-38714

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2025-38714

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Patches & Fixes for CVE-2025-38714 (2)

https://www.cve.org/CVERecord?id=CVE-2025-38714

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-2025-38715	7.8 HIGH	hfs: fix slab-out-of-bounds in hfs_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 → →

IV. Related Vulnerabilities

Same product: Linux

Same vendor: Linux

V. Comments for CVE-2025-38714

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2025-38714— hfsplus: fix slab-out-of-bounds in hfsplus_bnode_read()

Quick assessment

Possible ATT&CK Techniques 1 AI

Affected Version Matrix 20

I. Basic Information for CVE-2025-38714

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2025-38714

III. Intelligence Information for CVE-2025-38714

Patches & Fixes for CVE-2025-38714 (2)

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

IV. Related Vulnerabilities

V. Comments for CVE-2025-38714

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