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CVE-2023-53357— md/raid10: check slab-out-of-bounds in md_bitmap_get_counter

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，该漏洞源于未检查md_bitmap_get_counter中的页面边界，可能导致slab越界访问。

AI Predicted 4.9 Difficulty: Hard EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux ef4256733506f2459a0c436b62267d22a3f0cec6< 374fb914304d9b500721007f3837ea8f1f9a2418 affected
ef4256733506f2459a0c436b62267d22a3f0cec6< b0b971fe7d61411ede63c3291764dbde1577ef2c affected
ef4256733506f2459a0c436b62267d22a3f0cec6< 39fa14e824acfd470db4f42c354297456bd82b53 affected
ef4256733506f2459a0c436b62267d22a3f0cec6< a134dd582c0d5b6068efa308bd485cf1d00b3f65 affected
ef4256733506f2459a0c436b62267d22a3f0cec6< be1a3ec63a840cc9e59a033acf154f56255699a1 affected
ef4256733506f2459a0c436b62267d22a3f0cec6< 152bb26796ff054af50b2ee1b3ca56e364e4f61b affected
ef4256733506f2459a0c436b62267d22a3f0cec6< bea301c046110bf421a3ce153fb868cb8d618e90 affected
ef4256733506f2459a0c436b62267d22a3f0cec6< 301867b1c16805aebbc306aafa6ecdc68b73c7e5 affected
… +10 more rows
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I. Basic Information for CVE-2023-53357

Vulnerability Information
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Vulnerability Title
md/raid10: check slab-out-of-bounds in md_bitmap_get_counter
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: md/raid10: check slab-out-of-bounds in md_bitmap_get_counter If we write a large number to md/bitmap_set_bits, md_bitmap_checkpage() will return -EINVAL because 'page >= bitmap->pages', but the return value was not checked immediately in md_bitmap_get_counter() in order to set *blocks value and slab-out-of-bounds occurs. Move check of 'page >= bitmap->pages' to md_bitmap_get_counter() and return directly if true.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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，该漏洞源于未检查md_bitmap_get_counter中的页面边界，可能导致slab越界访问。
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 ef4256733506f2459a0c436b62267d22a3f0cec6 ~ 374fb914304d9b500721007f3837ea8f1f9a2418 -
Linux Linux 2.6.36 -

II. Public POCs for CVE-2023-53357

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III. Intelligence Information for CVE-2023-53357

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Same Patch Batch · Linux · 2025-09-17 · 56 CVEs total

CVE-2023-53338 9.8 CRITICAL lwt: Fix return values of BPF xmit ops
CVE-2022-50363 9.8 CRITICAL skmsg: pass gfp argument to alloc_sk_msg()
CVE-2022-50373 9.8 CRITICAL fs: dlm: fix race in lowcomms
CVE-2023-53360 9.8 CRITICAL NFSv4.2: Rework scratch handling for READ_PLUS (again)
CVE-2023-53358 8.8 HIGH ksmbd: fix racy issue under cocurrent smb2 tree disconnect
CVE-2023-53340 7.8 HIGH net/mlx5: Collect command failures data only for known commands
CVE-2022-50354 7.8 HIGH drm/amdkfd: Fix kfd_process_device_init_vm error handling
CVE-2022-50355 7.8 HIGH staging: vt6655: fix some erroneous memory clean-up loops
CVE-2023-53354 7.8 HIGH skbuff: skb_segment, Call zero copy functions before using skbuff frags
CVE-2022-50367 7.8 HIGH fs: fix UAF/GPF bug in nilfs_mdt_destroy
CVE-2022-50368 7.8 HIGH drm/msm/dsi: fix memory corruption with too many bridges
CVE-2022-50362 7.8 HIGH dmaengine: hisilicon: Add multi-thread support for a DMA channel
CVE-2023-53335 7.5 HIGH RDMA/cxgb4: Fix potential null-ptr-deref in pass_establish()
CVE-2022-50365 7.5 HIGH skbuff: Account for tail adjustment during pull operations
CVE-2022-50371 led: qcom-lpg: Fix sleeping in atomic
CVE-2022-50374 Bluetooth: hci_{ldisc,serdev}: check percpu_init_rwsem() failure
CVE-2022-50370 i2c: designware: Fix handling of real but unexpected device interrupts
CVE-2022-50372 cifs: Fix memory leak when build ntlmssp negotiate blob failed
CVE-2023-53336 media: ipu-bridge: Fix null pointer deref on SSDB/PLD parsing warnings
CVE-2022-50364 i2c: mux: reg: check return value after calling platform_get_resource()

Showing top 20 of 56 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53357

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